Table 5 Training features associated with promising fidelity outcomes (n = 35 studies)

Mean number of BCTs used (±SD)

5.2 (± 3.6)

3.4 (± 2.4)

0.19

Number of studies reporting any theory/rationale used (%)

17 (85.0)

2 (28.5)

< 0.01

Median hours of total training time (IQR)

11.6 (4.3–14.0)

3.9 (0.6–7.0)

0.22

Median number of training sessions (IQR)

2.0 (1.0–3.0)

2.0 (1.0–2)

0.85

Median training delivery period (months) (IQR)^b

6.0 (1.8–12)

21.0 (15–24)

0.02