Table 2:
Bivariate comparison on outcomes measures for the control and intervention groups
| Time | Outcome | Total n(%) | Control n(%) | Intervention n(%) | P-value |
|---|---|---|---|---|---|
| Baseline | n =252 | n =130 | n =122 | ||
| Smoke free home rule (Primary) | |||||
| No one is allowed to smoke anywhere | 165 (68) | 79 (64) | 86 (73) | 0.13 | |
| Smoking is permitted in some places/any where | 77 (32) | 45 (36) | 32 (27) | ||
| Missing | 10 | 6 | 4 | ||
| Urinary Cotinine (n=214) | |||||
| Geometric Mean (95%CI) | 0.9 (0.8,1.1) |
1.0 (0.8,1.3) |
0.9 (0.7,1.2) | 0.70 | |
| 6 month | n =180 | n =91 | n =89 | ||
| Smoke free home rule (Primary) | |||||
| No one is allowed to smoke anywhere | 130 (73) | 66 (73) | 64 (73) | 0.98 (P) | |
| Smoking is permitted in some places/any where | 49 (27) | 25 (27) | 24 (27) | ||
| Missing | 1 | 0 | 1 | ||
| Parent report quit | |||||
| No | 134 (79) | 72 (83) | 62 (75) | 0.20 (P) | |
| Yes | 36 (21) | 15 (17) | 21 (25) | ||
| Missing | 10 | 4 | 6 | ||
| 12 month | n =149 | n =75 | n =74 | ||
| Smoke free home rule (Primary) | |||||
| No one is allowed to smoke anywhere | 109 (74) | 54 (73) | 55 (75) | 0.74 | |
| Smoking is permitted in some places/any where | 38 (26) | 20 (27) | 18 (25) | ||
| Missing | 2 | 1 | 1 | ||
| Urinary Cotinine (n=106) | |||||
| Geometric Mean (95%CI) Parent report quit No Yes Missing |
1.5 (1.1,2.1) 112 (80) 28 (20) 9 |
1.6 (1.0,2.7) 58 (85) 10 (15) 7 |
1.4 (0.8,2.3) 54 (75) 18 (25) 2 |
0.57 0.13 (P) |