Multilevel logistic regression models for being sufficiently activity in leisure time.

Belo Horizonte, Brazil. VIGITEL, 2008–2010. Notes: PA = physical activity; OR: odds ratio; 95% CI: 95% confidence interval; SE: standard error; AIC: Akaike information criterion; Model 1: empty model; Model 2: model with individual variables; Model 3: model with contextual variables;