The present study was the cross-sectional design and Method of sampling was convenient and Continuous. Sampling was done from 16 October to 9 February 2021 in 3 urban health centers of Shiraz.
First 198 people were estimated at a confidence interval of 99% ( = 2.58) with an acceptable error ( d) of 1.45 (2.5% Mean: 58.11) and a standard deviation (σ) of 7.90 for PQOL in Iran (23,24). The researchers included 240 people in the study because of the 25% probability of participants not completing the questionnaires.
Eligible criteria included no mental retardation, no physical disability, Literacy for reading and writing, had a live birth at least 1 month and up to 18 months ago. The objectives of the study, how to complete the questionnaire was stated and written informed consent was obtained from women. It took 30 minutes to complete the questionnaires.
Data collection tools included 3 questionnaires: the demographic characteristics, the obstetric profile and the Persian version of the PQOL questionnaire (24).
The demographic characteristics questionnaire included 5 questions about age, level of education, occupation, housing status and adequacy of household income for living expenses.
The obstetric profile questionnaire consisted of 10 questions about the number of pregnancy, the number of parity, delivery method, history of abortion, the abortion method, history of infertility, sex of the baby, having a planned pregnancy, source of delivery, choice of source of delivery.
The Persian version of PQOL has validity of 0.88 through Cronbach's alpha calculation and validity of 0.77 through KMO and Bartlett's test at the level of p<0.00. This questionnaire has 4 dimensions and 40 questions, the dimensions of which are: 1- Child care 2- Physical function 3- Psychological function 4- Social support. The answering to the questions of the questionnaire was on the 5-point Likert scale which were scored between 0-100 (14) that lowest score indicates the unfavorable situation and the highest score indicates the favorable situation.
Answering all the questions of the 3 questionnaires is self-reporting. After extracting the data, descriptive statistics such as frequency, mean and standard deviation were used to describe variables. Analytical statistical tests including the Pearson correlation test and multivariate linear regression were used to determine the relationship between variables. All calculations were performed with SPSS software version 25 (25).