Background & AimsCommon mental disorders (CMD) are more prevalent in women, as well as noncommunicable diseases. Diet and physical activity are lifestyle modifiable factors that might help on managing these conditions. MethodsThis study aimed to investigate the association between lifestyle aspects (diet and physical activity) and common mental disorders in women aged 40+ years. Methods: This is a cross-sectional, population-based study (2015 ISA-Nutrition) with a representative sample of São Paulo-SP-Brazil urban residents. The present study was conducted with data from 467 women aged 40+ years old. Common Mental Disorders (dependent variable) were investigated by the Self-Reporting Questionnaire-20 (SRQ-20); the independent variables of interest were: the inflammatory potential of the diet was evaluated by dietary inflammatory index (DII), and physical activity level (evaluated by IPAQ) adopting the leisure dimension of physical activity. We considered as adjusting variables the presence of self-reported Noncommunicable Diseases (NCD), the age intervals (defined as 40-45, 46-50, 51-55, 56-60, 61+ years old), schooling, (according to years of formal education), Body Mass Index (BMI); and ethnicity (self-declared skin color). Simple and multi-adjusted logistic regression models were performed to investigate the associations. ConclusionsThe main findings indicate that the prevalence of CMD was 32.2%, and the frequency of having one or more NCD was 67.2%. In the final regression model, CMD was associated with the highest tertile of the DII (OR=2.215; p=0.003) and having three, and four or more NCD (OR= 6. 735; p<0.001, and OR= 3.874; p=0.033, respectively). Altogether, our results indicate that dietary inflammatory characteristics, and physical activity, along with NCD, are associated with CMD, in women aged 40+ years old, in different dimensions.
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