Effects of illness perception and coping on self-management in peritoneal dialysis patients: A cross-sectional study

doi:10.21203/rs.3.rs-3610367/v1

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Effects of illness perception and coping on self-management in peritoneal dialysis patients: A cross-sectional study

https://doi.org/10.21203/rs.3.rs-3610367/v1

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Aims

Chronic disease self-management is critical to disease prognosis and patient quality of life. Several psychological factors influence this process of self-management. In this background, the present study investigated the impact of illness perceptions and coping styles on self-management in people with peritoneal dialysis (PD).

Methods

The study is a cross-sectional study. From May 2022 to January 2023, a convenience sampling method was used to recruit 246 peritoneal dialysis patients. General information questionnaire, brief illness perception questionnaire, medical coping modes questionnaire and the self-management scale for peritoneal dialysis patients were used in this study. We used SPSS 24.0 to analyze the data, and the statistical methods included descriptive analysis, single factor analysis, Pearson correlation analysis and multiple linear regression analysis.

Results

A total of 246 patients were included in this study (93.89% response rate). Participants reported higher emotions and concerns about illness, while understanding of illness was low. Illness perceptions were negatively significantly correlated with self-management. With regard to coping styles, our patients were more likely to adopt avoidance and resignation coping styles. Confrontation and avoidance were positively related to self-management, while acceptance-resignation was negatively related.

Conclusions

Self-management of peritoneal dialysis patients needs to be improved. Age, female sex, monthly income, illness perceptions and coping styles were independently associated with self-management.

Impact:

These findings suggest that interventions that improve illness perceptions and coping styles should be explored to ultimately improve their self-management.

Peritoneal dialysis

Illness perception

Coping style

Self-management

Due to the ageing population and an increasing prevalence of chronic disease, such as diabetes mellitus and hypertension, the incidence of chronic kidney disease (CKD) is increasing, it has been a public health challenge worldwide[1]. A global epidemiological survey reported that the prevalence of CKD was about 8–16%[2]. US Renal Data System(USRDS) revealed that the CKD prevalence increased from 13.8% in 2016 to 14.5% in 2017[3]. A cross sectional survey conducted in China reported a CKD prevalence of 10.8% in Chinese adult[4]. CKD is characterized by insidious onset and atypical early symptoms, if not detected and treated early, it will develops to end-stage renal disease(ESRD), which has become the 8th leading cause of death worldwide[2]. The patients with ESRD rely on kidney transplantation, hemodialysis or peritoneal dialysis (PD). Due to continuing improvements in clinical and a better socioeconomic benefits of PD, this therapy was increasingly used in worldwide and several countries have adopted policies favoring the use of this modality as the initial renal replacement therapy[5–7]. It was estimated that more than 272000 patients receive peritoneal dialysis worldwide, representing about 11% of the global dialysis population[8]. Global annual growth rate of peritoneal dialysis is estimated at 8%, higher than that of hemodialysis (about 6–7%)[9]. In China, the utilization of PD rose steeply in past decade, according to Chinese National Renal Data System, the number of patients on PD rose from 37942 in 2012 to 86264 in 2018[10]. China ranks first in the world in terms of the number of patients on PD now[11].

WHO had stated that improving the self-management of people with chronic diseases is more likely to improve their health than any other interventions[12]. Self-management improves health outcomes in chronic conditions not only by improving adherence to treatment plans, but also by developing personal skills to manage challenges and solve problems. It involves in a set of behaviors that people adopt as part of living with chronic illness[13]. As a method of treatment for ESRD, PD is a home-based therapy, the patients are the primary provider of disease treatment, in addition to exchange dialysate 3–5 times a day, they are required to limit water, sodium and dietary intake, taking medications, monitoring blood pressure and weight regularly to balance the body fluid, quitting smoking and exercising regularly. PD treatment involves a series of lifestyle changes, the patients need to master the skills or knowledges needed for treatment (e.g., maintaining dialysis environment clean, aseptic operation, recording ultrafiltration volume, observing fluid properties, external port changes, and preventing, identifying, and managing PD-related complications). Because of this, PD patients are likely to use self-care or lifestyle interventions as part of their self-management strategy to manage some of their symptoms[14]. PD patients on self-management/or self-care varies between regions. In China, Liu et al.[15] concluded that self-management behaviors of PD patients were generally moderate, with good management behaviors for medication compliance and fluid exchange operations, moderate monitoring of disease status, and the poorest nutritional intake, water and salt control. In Singapore, the rates of non-adherence in PD patients vary from 13–50%[16], a study by Yu et al. [17]showed a satisfactory levels of adherence in PD patients, they had the greatest difficulty with diet management, with 26% admitting to forgetting and 26% intentionally adjusting/changing their diet. For medication, 20% of patients were judged to be non-adherent due to forgetfulness and 15% due to intentional reasons. Lameire demonstrated that approximately 25% of PD patients are volume overloaded[18]. In Germany, a study[19] showed that 290 out of 351 (82.6%) PD patients between 1979 to 2014 had peritonitis episodes, which is the leading cause of PD failure and increased mortality[20]. Evidence from previous studies had supported that self-management improves health-related quality of life, improves health status and clinical outcomes[21–23]. Therefore, self-management is extremely important for PD patients.

How patients perceived illness may affect their self-management, Self-regulation theory (SRT) provides a framework to explain the individual's adaptation to the illness, which is the Common-Sense Model (CSM)[24]. It is a dynamic framework for understanding illness self-management. And it can provide advice on the progress of research and has the potential to further advance the practice of medicine and to guide patients in the self-management of their disease[24]. According to the CSM[25], when a person is confronted with an illness or health condition, they try to make sense of it through their cognitive and emotional representations of the illness (illness perception). The CSM proposes that people will develop coping procedures and then evaluate its success. This evaluation may result in changes in coping strategies and/or changes in illness perceptions. The CSM includes two key components, which is cognitive representation and emotional representation, and is structured around the following nine dimensions: identity; timeline acute/chronic; timeline cyclical; consequences; personal control; treatment control; illness coherence; emotional representation and cause[26, 27]. The CSM is illustrated in Fig. 1. As seen from Fig. 1, CSM consists of two parallel processes involving cognitive and emotional representations that interact to determine a person's coping strategies and health-related outcomes. This suggests that strong negative emotional representations may impair the impact of cognitive representations on self-management, or vice versa. Several studies have shown that illness perception is associated with psychological and clinical outcomes in a variety of populations. including health behaviors[28], psychological stress[29, 30], and quality of life[31]. It is an important predictor of patients' ability to cope and develop interventions to promote self-management in patients with chronic diseases[32, 33]. Therefore, explore the relationship between illness perception and self-management is essential to develop strategies to improve the health outcome of PD patients.

Coping style is a way in which an individual can maintain a stable psychological state by adjusting cognitive content and engaging in certain behaviours to cope with a stressful situation when it arises[34]. It is present throughout the process of disease onset, progression, treatment and recovery and act as important mediators of psychological distress, directly affecting the distress and influencing its outcome, which can ultimately affect the overall health of the patient. Several studies have shown that coping styles can influence patient self-management[35, 36]. Indeed, the presence of a chronic illness might strongly affect one’s illness perception and coping style. And studies have also shown that illness perception can influence patients' quality of life and disease prognosis by stimulating them to adopt an appropriate coping strategy[37, 38]. However, few studies have investigated the impact of illness perceptions and coping strategies on self-management in people with PD.

AIM

The aims of the study were to examine the impact of illness perceptions and coping styles on the self-management of people with PD and to identify the factors that are associated with self-management.

Reporting Method

The study adhered to “ STROBE Statement—Checklist of items that should be included in reports of cross-sectional studies” .

Study design and sample

A cross-sectional design was used by using convenience sampling. Participants were recruited from peritoneal dialysis patients who were hospitalized in the nephrology wards of two tertiary hospital in Wuhan. from May 2022 to January 2023. Eligible patients met the following inclusion criteria: (i) participations were willing and able to give informed consent for study, (ii) were male or female aged 18 years or above, and had received PD for more than 3 months, (iii) and were able to complete the questionnaire independently or with the help of the investigator. Participants with serious complications, such as malignancy and serious infection, and those receiving both hemodialysis and peritoneal dialysis will be excluded.

Data and procedure

Approval was obtained from the Ethics Committee of the University of Wuhan and the Research Hospital prior to the start of the study (ID: 2022088K). Investigator explains purpose of study to patient, those who agreed to participate in this study will be recruited and provided informed consent. According to the Hoogland[39], an appropriate minimum sample size would be 200 cases with a good model and multivariate normal data. In total, 246 of the 262 eligible participants (response rate = 93.89%) gave their consent and completed the study.

Measures

General Information Questionnaire, designed by the researcher based on a literature review, which contains patient demographics such as gender, age, marital status, education level, monthly income as well as clinic characteristics such as primary disease, dialysis duration and complications etc.

Illness perception

Based on Leventhal’s Common-Sense Model[25], The Brief Illness Perception Questionnaire (BIPQ) was developed by Broadbent et al. in 2006[40]. It contains eight scored items and one open-ended item, of which items 1–5 assess cognitive representations, items 6 and 8 assess emotional representations, item 7 assesses illness comprehensibility and item 9 is an assessment of casual representations, which was not included in this study because it was an open-ended question to which the patient was free to respond. Items 3, 4 and 7 are reverse scored, with each item scored cumulatively. Higher scores indicate a higher impact on the illness. Since its publication, BIPQ has been translated into several languages, including Chinese. The scale has good reliability and validity. It is widely used in chronic disease [41]and cancer research[42, 43]. In present study, the Cronbach's a coefficients of the scale was 0.728.

Coping style

The medical coping modes questionnaire (MCMQ) was developed by Feifel [34]. It was used to assess coping style of patients. In 2000, Shen et al. [44]translated it into Chinese. The revised scale contains a total of 20 entries divided into 3 dimensions: confrontation (1, 2, 5, 10, 12, 15, 16, 19), avoidance (3, 7, 8, 9, 11, 14, 17), and acceptance–resignation (4, 6, 13, 18, 20). Each item is scored on a scale of 1–4, items 1, 4, 9, 10, 12, 13, 18 and 19 were being scored reverse. 3 subscales are scored separately, with higher scores indicating more use of the coping style. The Cronbach's a coefficients were 0.69, 0.60 and 0.76 respectively. It is currently being used in the PD patients with a Cronbach's a coefficient of 0.75[45]. The Cronbach's a coefficients for the three subscales of confrontation, avoidance and acceptance–resignation in this study were 0.734, 0.608 and 0.849 respectively.

Self-management

The self-management scale for continuous ambulatory peritoneal dialysis patient was developed by Pang in 2014, based on the Orem’s theory of self-care[46]. The scale contains 28 items and was divided into 5 subscales, including fluid exchange technique (7 items), management of abnormalities during operation (4 items), dietary management (5 items), monitoring of complications (8 items), and emotional management and social regression (4 items). All items were rated on a 4-point Likert scale, with "never", "occasionally", "often" and "always " on a scale of 0–3 respectively, with a total score of 84, the higher the score, the better the patient's self-management ability.The scale has good reliability and validity and the Cronbach's a coefficient was 0.926. The Cronbach's a coefficient for the scale in this study was 0.893.

Statistical analyses

Data were analyzed using IBM SPSS Version 24.0, the level of statistical significance was set at p < 0.05. Descriptive statistics were used to describe the demographic and clinical characteristics of PD patients. Categorical variables were described as percentage. Continuous variables including illness perception, coping style and self-management were described using mean and standard deviation. One-way ANOVA and t-tests were used to examine differences in general information between patients with PD and we used Pearson correlations to investigate the associations between illness perception, coping style, and self-management. Multiple stepwise regression was used to assess whether general patient information, illness perceptions and coping styles could significantly influence self-management.

Participant characteristics

A total of 246 patients were included and completed the questionnaires (93.89% response rate). The demographic and clinical characteristics of the sample are shown in Table 1. The mean age of the participants was 48.41 years (SD = 14.20, range = 20–81) and most patients (47.6%) were younger than 45 years. The majority of patients were male (63.4%). Most patients had at least a secondary school education and about 31.3% had a university degree or higher. Most patients were married (78%) and 73.2% were unemployed. Most patients had a net monthly income between 1000 and 3000 (35.0%). all patients have medical insurance except one patient who is self-pay. Hypertensive nephropathy was the most common cause (32.9%) among the 246 patients with PD. The mean age on dialysis was 23.66 months (SD = 22.83, range = 3-144). All patients had at least one comorbidity. 75.6% of patients had no history of peritonitis and all had received health education, including 38.6% who had received 3 or more health education sessions.

Table 1

Patient and clinical characteristics (N = 246)
Variable	N (%)	Mean (SD)
Sex
male	156 (63.4)
female	90 (36.6)
Age (years)		48.41 (14.20)
≤ 45	117 (47.6)
46∼59	74 (30.1)
≥ 60	55 (22.4)
Educational level
Primary school or below	37 (15.0)
Junior high school	74 (30.1)
Senior high school	58 (23.6)
Junior college or above	77 (31.3)
Marital status
Married	192 (78.0)
Unmarried/divorced/widowed	54 (22.0)
Monthly income (RMB)
＜1000	55 (22.4)
1000∼3000	86 (35.0)
3000∼5000	52 (21.1)
＞5000	53 (21.5)
Employment
Employed	66 (26.8)
Unemployed	180 (73.2)
Social insurance
Yes	245 (99.6)
No	1 (0.4)
Primary kidney disease
Chronic glomerulonephritis	21 (8.5)
Diabetes mellitus	57 (23.2)
Hypertension	81 (32.9)
Others	87 (35.4)
Dialysis duration(month)		23.66 (22.83)
≤ 12	100 (40.7)
13∼24	68 (27.6)
≥ 25	78 (31.7)
operator
Patients	230 (93.5)
Others	16 (6.5)
Complications
1	110 (44.7)
2	72 (29.3)
≥ 3	64 (26.0)
History of PDAP
No	186 (75.6)
Yes	60 (24.4)
Health education (times)
1	94 (38.2)
2	57 (23.2)
≥ 3	95 (38.6)

Illness perceptions, coping styles and self-management

The mean scores and standard deviations for illness perception, coping style and self-management are shown in Table 2. Regarding illness perception (BIPQ), the mean scores for cognitive representations, emotional representations, and illness comprehensibility were 30.40 (SD = 6.86), 14.14 (SD = 3.14), and 2.87 (SD = 1.80), respectively. Higher scores were noted on timeline, consequences, concern, and emotions. Moderate scores were noted on identity, and personal control. Lowest score was seen on illness comprehensibility. Regarding coping styles (MCMQ), the mean scores for confrontation, avoidance and resignation-acceptance were 18.55 (SD = 3.50), 14.91 (SD = 2.84) and 11.84 (SD = 3.42), respectively. In terms of self-management, the dimension 'fluid change technical operation' received the highest score 2.72 (SD = 0.32), while 'emotional management and social regression' obtained the lowest 1.90 (SD = 0.60).

Table 2

Descriptive statistics of participant measures
Variables	No. of items	Mean ± SD
Illness perception	9	47.45 ± 9.37
Cognitive illness representations	5	30.40 ± 6.86
Consequences Timeline Personal Control Treatment Control Identity	1 1 1 1 1	7.30 ± 2.41 8.81 ± 1.71 4.76 ± 1.91 3.57 ± 1.81 5.96 ± 2.12
Emotional representations	2	14.18 ± 3.14
Concern Emotions	1 1	7.86 ± 1.46 6.32 ± 2.53
Illness comprehensibility	1	2.87 ± 1.80
Coping style	20
Confrontation	8	18.55 ± 3.50
Avoidance	7	14.91 ± 2.84
Acceptance–resignation	5	11.84 ± 3.42
Self-management	28	67.46 ± 9.23
Fluid change technical operation	7	19.01 ± 2.25
Abnormal situation handling	4	10.25 ± 1.87
Dietary management	5	11.94 ± 2.48
Complication monitoring emotional management and social regression	8 4	18.65 ± 3.83 7.62 ± 2.39

Correlation analysis of illness perception, coping style, and self-management

The results of the correlational analyses between illness perception, coping style and self-management are shown in Table 3. It showed that apart from illness concern, the main dimensions of illness perception were negatively correlated with self-management. Of the three dimensions of coping styles, the confrontation and avoidance dimension were positively related to self-management, while acceptance-resignation was negatively related.

Table 3

Correlation of illness perception, coping style and self-management
Items	Self-mamagement (r)
Illness perception
Total score	-0.235**
Cognitive illness representations	-0.237**
Consequences	-0.149*
Timeline	-0.156*
Personal Control	-0.226**
Treatment Control	-0.172**
Identity	-0.123
Emotional representations	-0.027
Concern	0.246**
Emotions	-0.177**
Illness comprehensibility	-0.269**
Coping style
Confrontation	0.406**
Avoidance	0.149*
Acceptance–resignation	-0.452**
^P＜0.05, ^*P＜0.01

Factors of self-management

Univariate analysis (Table 4) revealed that the variables age, sex, monthly income, operator, number of complications and health education times were significantly associated with self-management at the P < 0.05 level. And the results of the correlational analyses revealed that the cognitive illness representations, illness comprehensibility and all dimensions of coping styles were related to self-management. Therefore, these variables were included in the multivariate analysis (Table 5). The result of Model 1 (F = 9.639, p < 0.01, R² = 0.175) showed that the 17.5% of the variation in self-management could be explained by socio-demographic variables. The effects of sex, age, monthly income and operator on self-management were significant. In Model 2 (F = 10.594, p < 0.01, R² = 0.239), when two dimensions of illness perception were added as independent variables while controlling for sociodemographic variables, all these variables explained 23.9% of the variation in self-management, of which 6.4% were explained by illness perception. These variables of sex, age, monthly income, cognitive illness representations and illness comprehensibility were recognized as significant predictors of self-management in Model 2. However the operator was no longer significant. In Model 3 (F = 12.385, p < 0.01, R² = 0.338), all dimensions of coping styles were included in regression model and explained an additional 9.9% of the variance of self-management.

Table 4

Associations between background variables and self-management
Variable	X ± S	t/F	P value
Sex
male	66.24 ± 9.17	-2.765	0.006
female	69.58 ± 9.01
Age (years)
≤ 45	69.44 ± 9.96	5.818	0.003
46∼59	66.38 ± 7.97
≥ 60	64.73 ± 8.38
Educational level
Primary school or below	65.51 ± 8.22	0.843	0.472
Junior high school	67.70 ± 8.22
Senior high school	67.17 ± 9.81
Junior college or above	68.39 ± 10.14
Marital status
Married	67.87 ± 10.76	-0.366	0.715
Unmarried/divorced/widowed	51.79 ± 14.38
Monthly income (RMB)
＜1000	64.27 ± 9.24	6.204	＜0.001
1000∼3000	66.30 ± 9.02
3000∼5000	69.13 ± 9.53
＞5000	71.02 ± 7.87
Employment
Employed	69.24 ± 8.65	1.839	0.067
Unemployed	66.81 ± 9.37
Social insurance
Yes	67.43 ± 9.23	0.926	0.355
No	76.00
Primary kidney disease
Chronic glomerulonephritis	68.76 ± 8.91	2.352	0.073
Diabetes mellitus	64.68 ± 10.17
Hypertension	67.95 ± 9.33
Others	68.52 ± 8.31
Dialysis duration(month)
≤ 12	67.51 ± 9.64	0.040	0.961
13∼24	67.21 ± 10.10
≥ 25	67.63 ± 7.93
operator
Patients	68.00 ± 9.07	3.507	0.001
Others	59.81 ± 8.35
Complications
1	69.32 ± 8.43	4.249	0.015
2	66.33 ± 10.05
≥ 3	65.55 ± 9.13
History of PDAP
No	67.98 ± 9.16	1.561	0.120
Yes	65.85 ± 9.35
Health education (times)
1	65.60 ± 9.51	3.174	0.044
2	68.72 ± 9.63
≥ 3	68.56 ± 8.47
^P＜0.05,^*P＜0.01

Table 5

Regression models between illness perception items, patient characteristics, coping styles and dependent variable self-management
Models	Variables	B	β	t	P	F	Adjusted R²
Model 1	Sex	-3.587	-0.188	-3.184	0.002	9.639**	0.175
	Age	-0.113	-0.174	-2.656	0.008
	Monthly income	2.241	0.258	4.329	＜0.001
	Operator	4.687	0.125	2.013	0.045
	Complications	-0.472	-0.042	-0.656	0.513
	Health education times	1.087	0.103	1.761	0.079
Model 2	Sex	-3.305	-0.173	-3.048	0.003	10.594**	0.239
	Age	-0.163	-0.250	-3.843	＜0.001
	Monthly income	1.769	0.203	3.484	0.001
	Operator	3.181	0.085	1.401	0.162
	Complications	0.150	0.013	0.212	0.832
	Health education times	0.771	0.073	1.265	0.207
	Cognitive illness representations	-0.247	-0.184	-3.026	0.003
	Illness comprehensibility	-0.868	-0.169	-2.785	0.006
Model 3	Sex	-3.238	-0.169	-3.161	0.002	12.385**	0.338
	Age	-0.102	-0.156	-2.495	0.013
	Monthly income	1.418	0.163	2.962	0.003
	Operator	1.216	0.033	0.568	0.570
	Complications	0.297	0.026	0.449	0.654
	Health education times	0.410	0.039	0.717	0.474
	Cognitive illness representations	-0.097	-0.072	-1.122	0.263
	Illness comprehensibility	-0.798	-0.156	-2.695	0.008
	Confrontation	0.517	0.196	3.057	0.002
	Avoidance	0.022	0.007	0.119	0.906
	Acceptance–resignation	-0.643	-0.238	-3.536	＜0.001
^**P＜0.01

Illness perception, coping styles and self-management are closely related. When faced with stressful stimuli, individuals can influence self-management both directly through a range of physiological responses (mainly in the form of a multi-system chain of changes in the autonomic and neuroendocrine systems) and indirectly through coping styles[47, 48]. Based on the CSM model, this study examined the relationship between illness perception (environmental stimuli), coping styles and self-management (adaptive behaviour) in patients with peritoneal dialysis. To our knowledge, this is the first study to investigate the relationship between self-management, illness perception and coping styles in Chinese PD patients.

Illness representation was assessed using the BIPQ. High levels of timeline were followed by consequences, concern, emotions, identity and personal control. High scores on timeline and consequences were consistent with poor self-management, as patients experienced a long course and many negative consequences of their illness. Emotional representation of illness (emotional and concern) indicated that patients were very concerned about their illness. They often experienced anger, anxiety and low mood. Low scores in the personal and treatment control domain of the BIPQ suggest that patients have low expectations of treatment and lack control over their illness.

The results of the correlation analysis in this paper show that peritoneal dialysis patients' illness perceptions have a negative effect on self-management, consistent with previous studies[49, 50]. Most of the BIPQ domains have a significant correlation with self-management. This means that people are likely to have poor self-management if they have a poor perception of the consequences of the illness, a stronger illness identity, negative emotional reactions to the illness and poor perceived controllability (treatment and personal).

Cognitive illness representations and illness comprehensibility was found to be negative associated with total self-management. This suggests that greater knowledge and understanding of their condition is associated with less self-management. This finding is similar to Liu, et al[51]. However, Sherman[52] and Moss-Morris[53] believe that patients who have a more coherent understanding of their illness may be able to adopt protective behaviours, such as seeking medical advice and making longer-term adjustments. This may be because although a certain level of understanding of the disease can increase a patient's awareness of self-care, peritoneal dialysis is characterised by a long and complex course of disease and a poor prognosis. As patients learn more about the causes, mechanisms and prognosis of the disease, and as they experience more symptoms, they become more aware of the severity of the disease, which increases their anxiety and affects their self-management. As a psychological variable, illness perceptions can have a significant impact on patients' psychological state. Positive illness perceptions can increase patients' confidence in coping with illness, improve health literacy and enhance self-management. Conversely, the more serious the negative perception of the disease, the more likely the person is to believe that they cannot change their morbid state, which leads to burnout and unable to maintain self-management[54, 55]. Hence, it is suggested that health professionals should be careful to provide correct and useful information when providing health education, and reduce the output of invalid information so as not to increase patients' nervousness and anxiety.

The main finding of this study was that in a multivariate analysis, patients' sex, age, monthly income, one aspect of illness perception (illness comprehensibility) and two aspects of coping styles (confrontation and acceptance-resignation) explained 33.8% of the variance in self-management in patients with PD. Female, younger age and higher monthly income were significant predictors of PD self-management. Possible explanations are that: (a) The social roles taken on by the sexes vary. Compared to men, women assume more caring roles in daily life and family relationships, such as laundry and cooking, cleaning and caring for relatives. At the same time, women tend to be more detail-oriented, image-conscious and emotionally sensitive, so they tend to be better at dietary and volume compliance[56]; (b) older patients have reduced cognitive abilities and are less able to monitor their condition and manage abnormalities, and therefore have poor self-management skills[57]; and (c) Maslow's Hierarchy of Needs theory suggests that only when basic physiological needs are met can people pursue higher-level needs. Patients with high family incomes are materially better off, have less stressful lives and have more time and energy to focus on their health[58].

With regard to coping style, compared with the previous study[44], our patients were more likely to adopt a resignation coping style, and several studies have shown that a resignation coping style is highly correlated with poor physical, adherence and bad quality of life[35, 59, 60]. In our study, confrontation is positively related to self-management, whereas acceptance-resignation is negatively related. The reasons for this may be: as a positive coping style, confrontation patients actively communicate with medical staff about the illness and self-care, are willing to talk to others about negative feelings, adjust their attitudes, and actively seek outside support. Conversely, patients who have an acceptance-resignation approach to their illness are more likely to have a loss of self-confidence, to be less compliant and to give in to the illness, so they are less able to manage themselves. Therefore, in order to prevent negative emotions and non-adherence to treatment, interventions to improve the coping style of people with PD should be carried out.

LIMITATIONS

There are some limitations in this study. First, this study only selected patients who were admitted to two tertiary hospitals in Wuhan, which may have sampling errors, and the sample size is still small, though meeting the statistical demands, so the representativeness and generalizability of the results of this study may have limitations, further multicentre and large-sample studies should be carried out in the future to verify the present findings. Second, in this study, less than 20% of the variance in self-management was explained by illness perception and coping style. Further research is needed to explore whether other variables influence self-management in the future. Finally, the CSM model provided a theoretical basis for the study hypothesis. However, due to the cross-sectional nature of this study, it was not possible to determine the dynamics of self-management levels in peritoneal dialysis patients or to clarify the causal relationships between the variables. A longitudinal study design could be used in the future to explore trends in self-management over time and the mechanisms involved.

In conclusion, despite the small amount of variation in self-management that could be explained by patients' illness perceptions and coping styles, this study shows that these two variables can have a significant impact on the self-management of people with PD. The self-management of chronic diseases is a long-term process that involves the physiological, psychological and behavioural aspects of a person's life. In recent years, the prevalence of ESRD has been increasing and getting younger, and peritoneal dialysis is becoming increasingly accepted as a home-based treatment. However, patients' levels of self-management vary because of work, life and disease symptoms, and most current patient self-management interventions are simple health education. In this study, we analyse the impact of patients' illness perception and coping style on self-management, and suggest that we should pay attention to patients' psychological state from a psychological perspective, establish correct cognition and face the illness with a positive attitude, so as to improve patients' self-management ability.

Ethics approval and consent to participate: The study has received ethical approval from the Ethics Committee of Zhongnan Hospital of Wuhan University (ID: 2022088K). Informed Consent was obtained from all subjects. All methods were carried out in accordance with relevant guidelines and regulations.

Consent for publication Not applicable

Availability of data and materials The datasets used and/or analysed during the current study available from the corresponding author on reasonable request.

Contributors: Zhang Man: Conceptualization, Methodology, Investigation, Visualization, Writing - Original Draft. Jiang Menghan, Hai Ziwei, Du Yixin: Methodology, Investigation. Cai Chunfeng: Writing - Review & Editing, Supervision.

Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

Institutional Review Board Statement The study has received ethical approval from the Ethics Committee of Zhongnan Hospital of Wuhan University (ID: 2022088K).

Acknowledgments We wish to thank the participants who made this study successful.

Declarations of Interest None declared.

The author(s) affirm that the methods used in the data analyses are suitably applied to their data within their study design and context, and the statistical findings have been implemented and interpreted correctly.

The authors have checked to make sure that our submission conforms as applicable to the Journal’s statistical guidelines described here.

Reporting Method

The study adhered to “ STROBE Statement—Checklist of items that should be included in reports of cross-sectional studies” .

No Patient or Public Contribution

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No competing interests reported.

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Effects of illness perception and coping on self-management in peritoneal dialysis patients: A cross-sectional study

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Abstract

Aims

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BACKGROUND

AIM

METHODS

Reporting Method

Study design and sample

Data and procedure

Measures

Illness perception

Coping style

Self-management

Statistical analyses

RESULTS

Participant characteristics

Illness perceptions, coping styles and self-management

Correlation analysis of illness perception, coping style, and self-management

Factors of self-management

DISCUSSION

LIMITATIONS

CONCLUSIONS

Declarations

References

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