Breakdown of knowledge, attitude and practice scores of Chetla and RG Kar slums (n=12)
| Preintervention mean (SD) | Postintervention mean (SD) | Difference between combined means preintervention and postintervention | |||||
| Chetla | RG Kar | Combined | Chetla | RG Kar | Combined | ||
| Knowledge score (out of 25) | 13.3 (1.03) | 10.0 (0.98) | 11.7 (1.05) | 16.2 (0.68) | 16.8 (0.81) | 16.5 (0.74) | +4.8 |
| Attitude score (out of 50) | 41.3 (0.57) | 39.8 (0.87) | 40.6 (0.74) | 35.8 (0.78) | 37.8 (0.67) | 36.8 (0.73) | −3.8 |
| Practice score (out of 50) | 23.8 (1.12) | 23.0 (1.17) | 23.4 (1.24) | 25.2 (1.28) | 23.3 (1.31) | 24.3 (1.29) | +0.8 |