Table 3.
Comparison of control and intervention groups for obtained pre- and post-test mean score for knowledge and practices regarding menstrual hygiene
| Knowledge and practice score | Mean±2SD | Significance level | |
|---|---|---|---|
| Control group (didactic lecture) (n=325) | Intervention group (focused group discussion) (n=324) | ||
| Pretest score | |||
| Knowledge | 4.97±1.81 | 5.03±1.80 | t=0.433, df=647, P=0.665* |
| Practice | 8.31±3.92 | 8.35±3.92 | t=0.113, df=647, P=0.901* |
| Knowledge and practice score | Mean±2SD | Significance level | |
| Control group (didactic lecture) (n=309) | Intervention group (focused group discussion) (n=294) | ||
| Posttest score | |||
| Knowledge | 8.55±2.18 | 10.38±2.30 | t=10.033, df=601, P<0.001* |
| Practice | 11.72±3.42 | 13.52±2.84 | t=6.990, df=601, P<0.001* |
*Independent sample t-test assuming equal variances and excluding cases analysis by analysis. SD=Standard deviation