Table 5.
Mean knowledge scores of the exposed and non-exposed women
| Knowledge | Mean (SD) | t stat | P value* | |
|---|---|---|---|---|
| Exposed (n = 209) | Non-exposed (n = 211) | |||
| Effect of smoking | 6.84 (1.29) | 6.91 (1.17) | 0.60 | 0.548 |
| Effect of smoking on pregnancy | 5.60 (1.36) | 5.88 (1.39) | 2.07 | 0.038 |
| Effect of second-hand smoke exposure | 6.36 (1.58) | 6.27 (1.51) | 0.56 | 0.578 |
| Effect of second-hand smoke exposure on pregnancy | 5.12 (1.51) | 5.36 (1.51) | 1.60 | 0.110 |
| Effect of second-hand smoke exposure on children | 5.38 (1.31) | 5.60 (1.32) | 1.70 | 0.089 |
| Smoking prohibited public places | 6.74 (1.46) | 6.58 (1.57) | 1.05 | 0.299 |
| Overall score | 36.05 (5.54) | 36.6 (5.51) | 1.05 | 0.293 |
*Independent t test.