Table 6.

Effect of interventions on proportion of scheduled EPI vaccinations received among children aged <24 months

	Control (arm A)	Community mobilisation and health camps (arm B)	Community mobilisation and health camps and IPV (arm C)	Test of null hypothesis that neither intervention has any effect
Karachi	0 (control)	13% (10–16)	17% (14–20)	p<0·0001
Bajaur	0 (control)	10% (8–12)	10% (9–12)	p<0·0001
Kashmore	0 (control)	5% (1–10)	9% (4–13)	p=0·0003
All sites combined	0 (control)	9% (7–11)	11% (9–13)	p<0·0001

Data are the difference in the proportion of EPI vaccine doses received in arms B and C compared with arm A. Numbers in parantheses are 95% CI. EPI=extended programme on immunisation. IPV=inactivated polio vaccine.