Table 5. DID estimates of the effect of an IEC sanitation campaign on latrine use among men, women and children in households in Bhadrak, Orissa, India, 2005–2006.

Dependent variable: latrine use during the day and at night	Model 1a	Model 2b	Model 3c
N	2100	2100	2100
IEC effect (%)	25.6	23.2	11.3
95% CId	13.5–37.8	11.3–35.1	3.4–19.2
P-value	0.000	0.000	0.001

CI, confidence interval; DID, difference-in-difference; IEC, information, education and communication.
^a DID for men.
^b DID for women.
^c DID for children.
^d Standard errors were corrected for clustering at the village level.