The effect of a postpartum IUD intervention on counseling and choice: Evidence from a cluster-randomized stepped-wedge trial in Sri Lanka

Table 4 Intent-to-treat effect of the intervention on choice of PPIUD

		Dependent variable: choice of PPIUD
	Est.	95% CI	Est.	95% CI
Post-treatment (ref: pre-treatment)	0.024**	0.002–0.045	0.027**	0.000–0.054]
Woman’s age (ref: < 20 years)
20–24 years			− 0.013	− 0.039–0.014
25–29 years			− 0.018	− 0.063–0.028
≥ 30 years Woman’s schooling (ref: no schooling)			− 0.016	− 0.071–0.039
Some primary			0.010	− 0.006–0.026
Some lower secondary			0.018	−0.024–0.059
Some higher secondary			0.012	−0.009–0.033
Some college			0.007	−0.012–0.027
Time to travel from home to hospital (ref: < 1 h)
1–3 h			− 0.001	− 0.009–0.007
≥ 3 h			− 0.001	−0.009–0.006
Parity (ref: 1)
2			0.026	− 0.016–0.068
3+			−0.019	− 0.073–0.035
Ethnicity (ref: Sinhalese)
Sri Lankan Tamil			0.043	−0.090–0.176
Indian Tamil			0.058	−0.138–0.254
Sri Lankan Moor			−0.002	− 0.034–0.030
Other			0.054	− 0.071–0.178
Male child born			−0.002	− 0.006–0.002
Constant	0.021	− 0.019–0.062	0.178	− 0.224–0.580
Observations	39,084		36,309
R-squared	0.253		0.253

*** p < 0.01, ** p < 0.05, * p < 0.1
Note: Difference from null tested using wild-cluster bootstrap method. All regression models adjusted for hospital and month fixed effects

ISSN: 1745-6215