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Meta-analysis with 6 months’ data (I2 = 66%). Weight of each study: Ceballos-Gurrola et al,20 12.7%; Diáz et al,21 27.5%; Rodríguez-Morán et al,40 26.9%; Velázquez-López et al,48 32.8%. Total number of participants in the intervention groups: 116; total number of participants in the control groups: 121. EPHPP, Effective Public Health Practice Project CI, Confidence Interval.
