borderline significantP =.64
In addition, a meta-analysis of the 7 studies reporting daily steps showed that the eHealth interventions increased the number of steps taken by older adults compared to the control group (SMD 0.21, 95% CI –0.01 to 0.44; P =.06), corresponding to an average estimate of 597 steps, with borderline significant results and low heterogeneity ( I 2=0%; P =.64; Figure S1E in Multimedia Appendix 6 ).