Table I.

Distribution of pregnant women according to age and area of residence.

Area of residence	<20 years	21-25 years	26-30 years	31-35 years	>35 years	Total
2008-2010						1,461
Urban	18 (1.71%)	231 (21.92%)	483 (45.83%)	242 (22.96%)	80 (7.59%)	1,054 (72.14%)
Rural	40 (9.83%)	129 (31.70%)	169 (41.52%)	54 (13.27%)	15 (3.69%)	407 (27.85%)
Odds ratio	0.168	0.604	1.191	1.948	2.146
P-value	<0.0001	<0.0001	0.142	<0.0001	0.006
2015-2018						5,500
Urban	91 (2.55%)	526 (14.73%)	1,331 (37.28%)	1,057 (29.61%)	565 (15.83%)	3,570 (64.90%)
Rural	185 (9.59%)	509 (26.37%)	651 (33.73%)	391 (20.26%)	194 (10.05%)	1,930 (35.10%)
Odds ratio	0.246	0.482	1.168	1.664	1.682
P-value	<0.0001	<0.0001	0.008	<0.0001	<0.0001