Table 2.

Odds ratios from logistic regression models predicting age-grade disparity, 10–16 year-olds, northern and southern Brazil, 2006

Region	A. Southern Region			B. Northern Region
	Model 1A	Model 2A	Model 3A	Model 1B	Model 2B	Model 3B
Maternal age at first birth (ref=20 or older)
16 or younger	2.459*** (0.335)	2.551*** (0.370)	1.964*** (0.298)	2.287*** (0.268)	2.313*** (0.286)	1.837*** (0.242)
17	2.357*** (0.370)	2.232*** (0.374)	1.904*** (0.332)	1.569** (0.216)	1.534** (0.222)	1.324~ (0.207)
18–19	1.465*** (0.170)	1.391** (0.170)	1.255~(0.160)	1.324** (0.140)	1.289* (0.143)	1.191 (0.143)
Female		0.560*** (0.054)	0.552*** (0.055)		0.525*** (0.047)	0.487*** (0.047)
Age in years		1.339*** (0.033)	1.359*** (0.035)		1.253*** (0.029)	1.287*** (0.032)
Birth order (ref= First born)
Second born		1.010 (0.118)	0.928 (0.113)		0.979 (0.112)	0.905 (0.111)
Third born or higher		1.693*** (0.199)	1.210 (0.153)		1.885*** (0.197)	1.151 (0.134)
Mother’s race (ref=White)
Black			1.890*** (0.296)			1.074 (0.206)
Parda			1.342** (0.151)			1.368* (0.180)
Other race			1.638* (0.390)			1.648~(0.445)
Mother’s years of education			0.901*** (0.015)			0.826*** (0.012)
Log of family income			0.855*** (0.027)			0.911*** (0.024)
Household structure (ref=Two parents only)
Two parents and other relatives			1.378* (0.209)			0.905 (0.121)
Mother only			1.312~(0.202)			1.321~(0.222)
Mother and other relatives			1.909* (0.480)			1.215 (0.276)
Urban			1.347** (0.152)			0.966 (0.107)
Log-likelihood	−1387.48	−1288.27	−1221.52	−1559.68	−1458.18	−1311.79
N	2,306			2,291

Note: Standard errors in parentheses.

^***p<0.001,

^**p<0.01,

^*p<0.05,

^~ p<0.10.

Source: PNDS (DHS) Brazil 2006.