Table 2

Adherence by checklist item

Variable	Observations	Mean	95% CI
Title	463	0.79	0.75 to 0.83
Trial design	463	0.51*	0.44 to 0.55
Eligibility criteria	463	0.76*	0.72 to 0.80
Study setting	463	0.58*	0.54 to 0.63
Intervention	463	0.87	0.83 to 0.90
Objective	463	0.96*	0.93 to 0.97
Primary outcome	463	0.91	0.88 to 0.93
Random sequence generation	463	0.19	0.15 to 0.22
Allocation concealment	463	0.08	0.06 to 0.11
Blinding	228	0.60	0.53 to 0.66
Number of randomised per group	463	0.61*	0.56 to 0.65
Number of analysed per group	463	0.44*	0.39 to 0.48
Outcome stated	463	0.83	0.79 to 0.86
Effect size/precision	463	0.81	0.78 to 0.85
Harms or side effects	463	0.50*	0.45 to 0.54
Interpretation stated	463	0.99	0.98 to 1.00
Trial registration	463	0.96	0.94 to 0.98
Source of funding	463	0.53*	0.48 to 0.57
Overall adherence	8099	0.67	0.66 to 0.68

*χ² test for homogeneity among journals was statistically significant (p<0.001).