TableĀ 4

Results of multivariable meta-regression exploring the impact of trial-level characteristics on the effect of exercise on falls in general community-dwelling older populations

Variables included in multivariable meta-regression (number of trials with this characteristic)Effect on effect size, meta-regression coefficient (95% CI), p valueEffect on falls, IRR (95% CI), p value
Inclusion of high challenge balance training* (31)0.87 (0.76 to 1.00), 0.040.79 (0.71 to 0.88), <0.001
3+ hours per week of intervention (20)0.78 (0.66 to 0.92), 0.0040.70 (0.60 to 0.83), <0.001
Neither high challenge balance training or 3+ hours per week of intervention0.90 (0.82 to 0.99), 0.03
High challenge balance training and 3+ hours per week of intervention0.61 (0.53 to 0.72), <0.001
  • *All three criteria: movement of the centre of mass, narrowing of the base of support and minimising upper limb support.

  • Note: 72% heterogeneity explained by both variables; statistically significant comparisons shown in italics.