Fig. 4From: Physical activity monitors to enhance amount of physical activity in older adults – a systematic review and meta-analysisRandom effects meta-analysis with effect of the interventions on physical activity using Hedges g. N: Number of participants; SMD; standardized mean difference. For each study, the diamond represents the standardized mean difference of the intervention effect with the horizontal line representing 95% confidence intervals. The large diamonds represent the pooled standardized mean difference between the intervention groups and the control groupsBack to article page