Table 3

Sensitivity analyses for the effect of multifactorial intervention on rate of falls and risk of sustaining one or more falls and recurrent falls

Sensitivity analysisOverall
Trials, nParticipants, nEffect estimate (random effects) 95% CII2 (%)
 Rate of falls
Adequate concealment of allocation1044420.82 (0.68 to 0.97)94
Adequate blinding of outcome assessors1580620.81 (0.71 to 0.92)92
Adequate handling of incomplete outcome data*1250960.78 (0.68 to 0.89)90
Individual randomisation1866430.80 (0.70 to 0.91)91
 Risk of sustaining one or more falls
Adequate concealment of allocation1352960.95 (0.86 to 1.04)69
Adequate blinding of outcome assessors1884810.95 (0.89 to 1.02)54
Adequate handling of incomplete outcome data*1557320.96 (0.90 to 1.02)36
Individual randomisation2698390.95 (0.89 to 1.02)59
 Risk of sustaining recurrent falls
Adequate concealment of allocation825890.89 (0.71 to 1.10)67
Adequate blinding of outcome assessors1266680.89 (0.77 to 1.03)56
Adequate handling of incomplete outcome data*721290.96 (0.84 to 1.10)0
Individual randomisation1440950.89 (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.