Site | Pre-intervention (N = 284) | Post-intervention (N = 302) | Chi-squared test p value | Odds ratio (95 % confidence interval), p value |
---|---|---|---|---|
Multifaceted intervention | ||||
 Site 1 | 18/35 (51 %) | 23/37 (62 %) | 0.36 |  |
 Site 3 | 12/35 (34 %) | 25/30 (83 %) | <0.001 |  |
 Site 6 | 12/28 (43 %) | 28/34 (82 %) | 0.001 |  |
 Site 7 | 18/31 (58 %) | 23/35 (66 %) | 0.52 |  |
 Site 9 | 1/22 (4 %) | 13/16 (81 %) | <0.001 |  |
Total multifaceted intervention | 61/151 (40 %) | 112/152 (74 %) | <0.001 | 4.13 (2.54–6.71), <0.001 |
Education intervention | ||||
 Site 2 | 22/36 (61 %) | 24/29 (83 %) | 0.06 |  |
 Site 4 | 20/35 (57 %) | 26/31 (84 %) | 0.02 |  |
 Site 5 | 12/30 (40 %) | 21/33 (64 %) | 0.06 |  |
 Site 8 | 7/26 (27 %) | 26/41 (63 %) | 0.004 |  |
 Site 10 | 0/6 (0 %) | 5/16 (31 %) | 0.12 |  |
Total education intervention | 61/133 (46 %) | 102/150 (68 %) | <0.001 | 3.41 (1.99–5.84), <0.001 |
Total of whole sample | 122/284 (43 %) | 214/302 (71 %) | <0.001 | 3.69 (2.57–5.30), <0.001 |