Sensitivity analysis | Overall | |||
Trials, n | Participants, n | Effect estimate (random effects) 95% CI | I2 (%) | |
  | Rate of falls | |||
Adequate concealment of allocation | 10 | 4442 | 0.82 (0.68 to 0.97) | 94 |
Adequate blinding of outcome assessors | 15 | 8062 | 0.81 (0.71 to 0.92) | 92 |
Adequate handling of incomplete outcome data* | 12 | 5096 | 0.78 (0.68 to 0.89) | 90 |
Individual randomisation | 18 | 6643 | 0.80 (0.70 to 0.91) | 91 |
  | Risk of sustaining one or more falls | |||
Adequate concealment of allocation | 13 | 5296 | 0.95 (0.86 to 1.04) | 69 |
Adequate blinding of outcome assessors | 18 | 8481 | 0.95 (0.89 to 1.02) | 54 |
Adequate handling of incomplete outcome data* | 15 | 5732 | 0.96 (0.90 to 1.02) | 36 |
Individual randomisation | 26 | 9839 | 0.95 (0.89 to 1.02) | 59 |
  | Risk of sustaining recurrent falls | |||
Adequate concealment of allocation | 8 | 2589 | 0.89 (0.71 to 1.10) | 67 |
Adequate blinding of outcome assessors | 12 | 6668 | 0.89 (0.77 to 1.03) | 56 |
Adequate handling of incomplete outcome data* | 7 | 2129 | 0.96 (0.84 to 1.10) | 0 |
Individual randomisation | 14 | 4095 | 0.89 (0.78 to 1.03) | 46 |
*Judgement of 'low risk' if there are no missing outcome data, or less than 20% of missing outcome data are missing and losses are balanced in numbers across intervention groups with similar reasons for missing data across groups or missing data have been imputed using appropriate methods.