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Background Physical activity (PA) is associated with cardiovascular health in general populations, particularly in women. Middle-aged and older women are at high risk of less engagement in PA for unknown and complicated reasons. Objectives The aim of this study was to investigate whether PA was positively associated with socioeconomic status and psychosocial correlates of PA (self-efficacy and perceived benefits) but inversely correlated with perceived barriers in women (age >40 years). Methods A cross-sectional survey of 326 community-dwelling women was conducted. Data on socioeconomic status, PA, and its psychosocial correlates (ie, perceived benefits/barriers and self-efficacy) were collected using self-report questionnaires. Analyses were performed by multiple linear regressions. Results Monthly income ([beta] = .35, P = .015), employment status ([beta] = .32, P < .001), and perceived barriers to PA ([beta] = -.19, P = .008) were significantly associated with PA. More highly educated women participated in more ([beta] = .13, P = .033) vigorous PA, women with fewer perceived barriers participated in more ([beta] = -.14, P = .047) moderate-intensity PA, and employed women participated in more ([beta] = .35, P < .001) walking. Significantly higher scores of perceived barriers, including "no trainer," "feeling exhausted," "lack of motivation," and "lack of guidance," were identified in women with low PA compared with those with moderate PA. Conclusion Socioeconomic status and perceived barriers are associated with PA and its intensity level. Some specific barriers provide insights into the key factors that contribute to low PA in middle-aged and older women. These findings can be considered in future interventions to design PA promotion programs for this population to protect against cardiovascular diseases.

Aims and objectives To investigate whether physical activity is a protective factor against metabolic syndrome in middle-aged and older women. Background Socio-demographic and lifestyle behaviour factors contribute to metabolic syndrome. To minimise the risk of metabolic syndrome, several global guidelines recommend increasing physical activity level. However, only limited research has investigated the relationship between physical activity levels and metabolic syndrome in middle-aged and older women after adjusting for socio-demographic and lifestyle behaviour factors. Design Cross-sectional design. Methods A convenience sample of 326 middle-aged and older women was recruited. Metabolic syndrome was confirmed according to the National Cholesterol Education Program, Adult Treatment Panel III guidelines, and physical activity levels were measured by the International Physical Activity Questionnaire. Results The sample had a mean age of 60•9 years, and the prevalence of metabolic syndrome was 43•3%. Postmenopausal women and women with low socioeconomic status (low-education background, without personal income and currently unemployed) had a significantly higher risk of developing metabolic syndrome. After adjusting for significant socio-demographic and lifestyle behaviour factors, the women with moderate or high physical activity levels had a significantly lower (OR = 0•10; OR = 0•11, p < 0•001) risk of metabolic syndrome and a lower risk for each specific component of metabolic syndrome, including elevated fasting plasma glucose (OR = 0•29; OR = 0•26, p = 0•009), elevated blood pressure (OR = 0•18; OR = 0•32, p = 0•029), elevated triglycerides (OR = 0•41; OR = 0•15, p = 0•001), reduced high-density lipoprotein (OR = 0•28; OR = 0•27, p = 0•004) and central obesity (OR = 0•31; OR = 0•22, p = 0•027). Conclusions After adjusting for socio-demographic and lifestyle behaviour factors, physical activity level was a significant protective factor against metabolic syndrome in