Table 2. Estimated propensity scores.

	1–2 ANC visits vs. No ANC visit	2+ ANC visits vs. No ANC visit
Mean propensity score	0.53	0.76
Standard deviation	0.16	0.26
Region of common support	(0.117–0.928)	(0.054,0.999)
Significance of balancing property	0.005	0.005
Number of blocks	8	8