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Fig. 2 | Environmental Health

Fig. 2

From: Air pollution in association with mental and self-rated health and the mediating effect of physical activity

Fig. 2

Estimated effect of air pollution exposure on mental health and self-rated health mediated through physical activity. The figure displays air pollution (PM2.5, BC or NO2) as treatment, physical activity as mediator and mental or self-rated health as outcome (A psychological distress, B suboptimal vitality, C poor self-rated health, D depressive disorder, E generalized anxiety disorder). The figure shows the odds ratios (95% CI) of the indirect effect (IE) and the direct effect (DE), and the proportion of mediation. The mediation model was adjusted for age, gender, year of participation, region, country of birth, household composition, smoking status and highest educational level of the household

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