Table 2:

Prenatal care utilization for second birth

Level of prenatal care utilization	No. (%) of mothers n = 52 438		Model 1	Model 2	Model 3
	First child placed in care before conception of second child (n = 1284)	First child not placed in care before birth of second child (n = 51 154)	Unadjusted OR (95% CI)	Adjusted OR* (95% CI)	Adjusted OR† (95% CI)
Intensive	50 (3.9)	1679 (3.3)	2.07 (1.52 to 2.81)	1.52 (1.11 to 2.10)	1.32 (0.95 to 1.84)
Adequate	273 (21.3)	18 948 (37.0)	1.00 (Ref.)	1.00 (Ref.)	1.00 (Ref.)
Intermediate	493 (38.4)	22 009 (43.0)	1.55 (1.34 to 1.80)	1.30 (1.11 to 1.52)	1.28 (1.09 to 1.50)
Inadequate	424 (33.0)	6855 (13.4)	4.29 (3.68 to 5.01)	1.44 (1.21 to 1.71)	1.46 (1.22 to 1.75)
No care	44 (3.4)	1663 (3.3)	1.84 (1.33 to 2.53)	0.84 (0.59 to 1.18)	0.99 (0.70 to 1.42)

Note: CI = confidence interval, OR = odds ratio, Ref. = reference.

^*Adjusted for substance use disorder and level of prenatal care during pregnancy of first child, year, mother’s age, and neighbourhood location and income at birth of first child.

^†Adjusted for substance use disorder and level of prenatal care during pregnancy of first child; year; mother’s age; neighbourhood location and income at birth of first child; no. of years; residential mobility; receipt of income assistance; and diagnosis of diabetes, hypertension or substance use disorder between birth of first child and conception of second child.