Table 3.

Percentage of Adherence to TIDieR Checklist Items by Prespecified Period and Overall

TIDieR Checklist Item∗	Trials Published Between 2011 and 2013 (n = 73)		Trials Published Between 2016 and 2018 (n = 102)		Trials Published Between 2011 and 2018 (N = 175)
	Adherence to Checklist Item, n (%)	95% CI	Adherence to Checklist Item, n (%)	95% CI	Adherence to Checklist Item, n (%)	95% CI
1. Brief name	73 (100)	1.000-1.000	102 (100)	1.000-1.000	175 (100)	1.000-1.000
2. Why/rationale?	73 (100)	1.000-1.000	102 (100)	1.000-1.000	175 (100)	1.000-1.000
3. What materials?	50 (68.5)	0.578-0.791	85 (83.3)	0.761-0.906	135 (77.1)	0.709-0.833
4. What procedures?	53 (72.6)	0.624-0.828	81 (79.4)	0.716-0.873	134 (76.6)	0.703-0.828
5. Who provided?	40 (54.8)	0.434-0.662	55 (53.9)	0.442-0.636	95 (54.3)	0.469-0.617
6. How?	68 (93.2)	0.874-0.989	100 (98.0)	0.953-1.007	168 (96)	0.931-0.989
7. Where?	46 (63)	0.519-0.741	72 (70.6)	0.617-0.794	118 (67.4)	0.605-0.744
8. When and how much (dose)?	68 (93.2)	0.874-0.990	100 (98.0)	0.953-1.007	168 (96)	0.931-0.989
9. Tailoring or personalization of intervention?	8 (10.9)	0.038-0.0.181	16 (15.7)	0.086-0.227	24 (13.7)	0.086-0.188
10. Modifications?	5 (6.8)	0.011-0.126	0 (0.0)	0.000-0.000	5 (2.9)	0.004-0.053
11. How well (planned) was intervention delivered?	5 (6.8)	0.011-0.126	10 (9.8)	0.040-0.156	15 (8.6)	0.044-0.127
12. To what extent (actual) was intervention delivered as planned?	3 (4.1)	–0.004 to 0.087	11 (10.7)	0.047-0.168	14 (8.0)	0.040-0.120

CI, confidence interval; TIDieR, Template for Intervention Description and Replication.

^∗Items were included in the calculation of the percentage of adherence if “completely” compliant with the TIDieR item.