Key result
Individuals with the highest score of healthy lifestyle were 95% less likely to be anxious (OR 0.05) and 96% less likely to be depressed (OR 0.04) compared with those with the lowest score.
Why the study?
Does a combined healthy lifestyle reduce the odds of anxiety and depression in Iranian adults?
Cross-Sectional (n=3,363)
Yes
Does a combined healthy lifestyle reduce the odds of anxiety and depression in Iranian adults?
Odds Ratio: 0.05 (95% CI 0.01–0.27)
Absolute Event Rate: 3% vs 48.1%
p-value: p=<0.001
A combined healthy lifestyle score is strongly inversely associated with the odds of anxiety and depression among Iranian adults.
Healthy lifestyle score was associated with lower anxiety and depression odds; leaves open causality and need for prospective trials.
BACKGROUND AND AIMS: Joint association of lifestyle-related factors and mental health has been less studied in earlier studies, especially in Middle Eastern countries. This study aimed to examine how combinations of several lifestyle-related factors related to depression and anxiety in a large group of middle-age Iranian population. METHODS: In a cross-sectional study on 3363 Iranian adults, a healthy lifestyle score was constructed by the use of data from dietary intakes, physical activity, smoking status, psychological distress and obesity. A dish-based 106-item semi-quantitative validated food frequency questionnaire (FFQ), General Practice Physical Activity Questionnaire (GPPAQ), General Health Questionnaire (GHQ) and other pre-tested questionnaires were used to assess the components of healthy lifestyle score. The Hospital Anxiety and Depression Scale (HADS) was applied to screen for anxiety and depression. RESULTS: After adjustment for potential confounders, we found that individuals with the highest score of healthy lifestyle were 95% less likely to be anxious (OR: 0.05; 95% CI: 0.01-0.27) and 96% less likely to be depressed (OR: 0.04; 95% CI: 0.01-0.15), compared with those with the lowest score. In addition, non-smokers had lower odds of anxiety (OR: 0.64; 95% CI: 0.47-0.88) and depression (OR: 0.62; 95% CI: 0.48-0.81) compared with smokers. Individuals with low levels of psychological distress had expectedly lower odds of anxiety (OR: 0.13; 95% CI: 0.10-0.16) and depression (OR: 0.10; 95% CI: 0.08-0.12) than those with high levels. Individuals with a healthy diet had 29% lower odds of depression (OR: 0.71; 95% CI: 0.59-0.87) than those with a non-healthy diet. CONCLUSION: We found evidence indicating that healthy lifestyle score was associated with lower odds of anxiety and depression in this group of Iranian adults. Healthy diet, psychological distress, and smoking status were independent predictors of mental disorders.
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Saneei et al. (2016) conducted a cross-sectional in Psychological disorders (anxiety and depression) (n=3,363). Combined healthy lifestyle score vs. Lowest score of healthy lifestyle was evaluated on Anxiety (OR 0.05, 95% CI 0.01-0.27, p=<0.001). Individuals with the highest score of healthy lifestyle were 95% less likely to be anxious (OR 0.05) and 96% less likely to be depressed (OR 0.04) compared with those with the lowest score.
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