Table 4 Change in the total knowledge scores in sub-group variables of intervention group between pre- and post-training
Items | Number | Pre-DVD mean (SD) (range 0–12) | Post-DVD mean (SD) (range 0–12) | ANOVA (interaction effect) | ANOVA (within-subject effect) | |
|---|---|---|---|---|---|---|
Age | <30 years | 22 | 5.55 (1.57) | 7.18 (1.40) | F(2,66) = 0.80 p = 0.45 | F(1,66) = 64.33 p < 0.01 |
30–39 years | 35 | 5.66 (2.16) | 7.94 (1.73) | |||
>39 years | 12 | 5.25 (2.53) | 7.33 (1.88) | |||
Working hospital | Provincial or municipal hospital | 35 | 6.31 (1.81) | 7.94 (1.64) | F(1,94) = 6.94 p = 0.01 | F(1,94) = 102.95 p < 0.01 |
County hospital or below | 61 | 4.85 (1.97) | 7.62 (1.74) | |||
Job type | Nurse | 46 | 5.57 (1.97) | 7.67 (1.52) | F(2,93) =3.06 p = 0.05 | F(1,93) = 102.83 p < 0.01 |
Midwife | 18 | 6.28 (2.05) | 8.00 (2.17) | |||
Doctor | 32 | 4.63 (1.90) | 7.69 (1.71) | |||
Job title | Senior or mid-grade | 48 | 5.71 (2.25) | 8.06 (1.93) | F(1,94) =0.00 p = 1.00 | F(1,94) = 118.52 p < 0.01 |
Primary | 48 | 5.06 (1.76) | 7.42 (1.40) | |||
Years since qualification | ≤ 5 years | 42 | 5.48 (1.71) | 7.43 (1.53) | F(1,93) = 2.67 p = 0.11 | F(1,93) = 113.15 p < 0.01 |
> 5 years | 53 | 5.30 (2.28) | 7.96 (1.82) | |||
Years working with BF mothers | ≤2 years | 23 | 5.39 (1.85) | 7.22 (1.57) | F(2,89) = 0.93 p = 0.40 | F(1,89) = 100.48 p < 0.01 |
3–10 years | 33 | 5.09 (1.93) | 7.70 (1.69) | |||
> 10 years | 36 | 5.81 (2.27) | 8.14 (1.81) | |||
Previous training on breastfeeding | Yes | 67 | 5.87 (1.95) | 7.96 (1.75) | F(1,94) = 3.59 p = 0.06 | F(1,94) = 119.62 p < 0.01 |
No | 29 | 4.28 (1.81) | 7.24 (1.53) | |||