Table 6.

Effects of intervention expressed as odds ratios (95% confidence interval) stratified by maternal education

	No school	Primary school	Secondary or higher school	p-value of interaction
HIV testing	2.3 (0.6;9.5)	1.5 (0.4;6.0)	2.3 (0.3;16.2)	p < 0.001
Blood test, other	2.9 (1.1;7.7)	2.2 (1.2;4.1)	2.1 (1.0; 4.4)	p = 0.009
TT immunization	5.3 (0.9;32.1)	4.1 (1.4;12.2)	1.8 (0.4;7.0)	p = 0.022
Waiting less than 1 hour pre service	1.9 (0.5;6.4)	2.4 (1.2; 4.9)	4.4 (1.7;11.2)	p = 0.012
Health education topics
Danger signs during pregnancy	3.4 (1.2;9.6)	5.2 (2.9;9.4)	2.8 (1.5;5.4)	p = 0.003
Need for health facility delivery	1.0 (0.4;2.4)	3.3 (1.8;6.1)	2.0 (1.0;3.9)	p < 0.001
Nutritional needs during pregnancy	0.5 (0.2;1.4)	1.9 (1.0;3.4)	2.7 (1.4;5.2)	p = 0.016
Breastfeeding	1.1 (0.4;2.6)	2.3 (1.5;5.2)	3.1 (1.6;6.3)	p = 0.002