Results and discussion
The mean PNC knowledge score increased by additional 8.07 points among pregnant women in the intervention group compared to the control group (95% CI: 2.35: 13.80; p-value = 0.006). The maternal care attribute knowledge increased by 4.31 points (95% CI: 1.51–7.10, p-value = 0.03) and newborn care attribute knowledge increased by 3.39 points (95% CI: 0.41–6.37, p-value = 0.02) among pregnant women in the intervention compared to the control group.