| Number of participants (N) | Mean score, % (SD) |  |  |  | ||
---|---|---|---|---|---|---|---|
Intervention group | Comparison group | Intervention group | Comparison group | t-value | 95% CI | p-value | |
Baseline | |||||||
 Knowledge | 100 | 100 | 68.6 (9.83) | 67.7 (10.9) | 0.62 | −1.99, 3.80 | 0.54 |
 Practice | 100 | 100 | 79.1 (15.1) | 80.6 (15.5) | −0.66 | −5.70, 2.83 | 0.51 |
6 months | |||||||
 Knowledge | 82 | 80 | 85.9 (9.26) | 69.5 (10.3) | 10.7 | 13.4, 19.5 | < 0.001* |
 Practice | 82 | 80 | 93.5 (8.32) | 78.8 (11.4) | 9.39 | 11.6, 17.8 | < 0.001* |
12 months | |||||||
 Knowledge | 67 | 68 | 84.8 (11.8) | 88.2 (9.70) | −1.85 | −7.10, 0.24 | 0.07 |
 Practice | 67 | 68 | 90.7 (10.3) | 93.5 (7.85) | −1.83 | −6.00, 0.24 | 0.07 |
6-month completers | |||||||
 Baseline | |||||||
  Knowledge | 82 | 80 | 68.8 (10.2) | 66.8 (10.8) | 1.23 | −1.23, 5.29 | 0.22 |
  Practice | 82 | 80 | 79.8 (14.1) | 81.4 (14.7) | −0.74 | −6.12, 2.80 | 0.46 |