Background:Cardiovascular disease (CVD) is the leading cause of death in the world. With effective intervention and control of cardiovascular risk factors, mortality rates may be reduced. The aim of this study was to investigate the prevalence of modifiable cardiovascular risk factors across five municipalities in Yazd city.
Methods:10,000 residents of the Yazd greater area aged 20-69 years were selected using cluster random sampling method. Overall, 200 clusters were randomly selected based on the postcodes of residents who lived in the five municipalities of Yazd. Those who lived in Yazd annexed cities and rural areas were excluded. A valid questionnaire was completed and physical examination was done (94.9% response rate). Instances of self-reported diabetes mellitus, high blood cholesterol, tobacco smoking, and unhealthy diet were recorded. Blood pressure, height, and weight were measured and physical activity was classified by International Physical Activity Questionnaire (IPAQ). A chi-square test was used to analyze the differences in variables across municipalities by SPSS V. 16.
Results:We analyzed 8749 participants’ data from Yazd city. The prevalence of diabetes mellitus, hypercholesterolemia, and hypertension in Yazd were 14.1, 16.7 and 18.6%, respectively. One in every four people consumed the recommended five servings of vegetables per day. Fish consumption was less than 5% at least once a week. An unhealthy diet (85.7%); inactivity (52.2%), hypertension (36.7%) and obesity (26.3%) were the most common cardiovascular risk factors. Only 2.1% of adults had no risk factors for CVD, and almost 75% of people had more than one risk factor. The prevalence of risk factors (excluding hypertension) - was significantly different across the municipalities. Residents of region three had the highest prevalence of all risk factors aside from inactivity and unhealthy diet.
Conclusion: Unhealthy dietary habits and inactivity are the most common modifiable risk factors of CVD in Yazd city. Spatial variations of cardiovascular risk factors observed. This geographic health inequality requires more attention from policymakers to control CVD risk factors across different municipalities accordingly. Promoting healthy lifestyle is the top priority of health intervention program. It is recommended to increase the appropriate sports space and restrict access to tobacconist in high-risk areas.

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On 15 Jan, 2020
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On 04 Nov, 2019
Received 04 Nov, 2019
On 03 Nov, 2019
On 03 Nov, 2019
On 16 Oct, 2019
Received 30 Sep, 2019
On 07 Sep, 2019
Received 05 Sep, 2019
On 05 Sep, 2019
Invitations sent on 04 Sep, 2019
On 19 Aug, 2019
On 29 Jul, 2019
On 29 Jul, 2019
On 22 Jul, 2019
On 15 Jan, 2020
On 14 Jan, 2020
Posted 07 Nov, 2019
On 07 Jan, 2020
On 04 Nov, 2019
Invitations sent on 04 Nov, 2019
On 04 Nov, 2019
Received 04 Nov, 2019
On 03 Nov, 2019
On 03 Nov, 2019
On 16 Oct, 2019
Received 30 Sep, 2019
On 07 Sep, 2019
Received 05 Sep, 2019
On 05 Sep, 2019
Invitations sent on 04 Sep, 2019
On 19 Aug, 2019
On 29 Jul, 2019
On 29 Jul, 2019
On 22 Jul, 2019
Background:Cardiovascular disease (CVD) is the leading cause of death in the world. With effective intervention and control of cardiovascular risk factors, mortality rates may be reduced. The aim of this study was to investigate the prevalence of modifiable cardiovascular risk factors across five municipalities in Yazd city.
Methods:10,000 residents of the Yazd greater area aged 20-69 years were selected using cluster random sampling method. Overall, 200 clusters were randomly selected based on the postcodes of residents who lived in the five municipalities of Yazd. Those who lived in Yazd annexed cities and rural areas were excluded. A valid questionnaire was completed and physical examination was done (94.9% response rate). Instances of self-reported diabetes mellitus, high blood cholesterol, tobacco smoking, and unhealthy diet were recorded. Blood pressure, height, and weight were measured and physical activity was classified by International Physical Activity Questionnaire (IPAQ). A chi-square test was used to analyze the differences in variables across municipalities by SPSS V. 16.
Results:We analyzed 8749 participants’ data from Yazd city. The prevalence of diabetes mellitus, hypercholesterolemia, and hypertension in Yazd were 14.1, 16.7 and 18.6%, respectively. One in every four people consumed the recommended five servings of vegetables per day. Fish consumption was less than 5% at least once a week. An unhealthy diet (85.7%); inactivity (52.2%), hypertension (36.7%) and obesity (26.3%) were the most common cardiovascular risk factors. Only 2.1% of adults had no risk factors for CVD, and almost 75% of people had more than one risk factor. The prevalence of risk factors (excluding hypertension) - was significantly different across the municipalities. Residents of region three had the highest prevalence of all risk factors aside from inactivity and unhealthy diet.
Conclusion: Unhealthy dietary habits and inactivity are the most common modifiable risk factors of CVD in Yazd city. Spatial variations of cardiovascular risk factors observed. This geographic health inequality requires more attention from policymakers to control CVD risk factors across different municipalities accordingly. Promoting healthy lifestyle is the top priority of health intervention program. It is recommended to increase the appropriate sports space and restrict access to tobacconist in high-risk areas.

Figure 1

Figure 2
This is a list of supplementary files associated with this preprint. Click to download.
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