Table 3.
Model I | Model IIa | |||
---|---|---|---|---|
Less than 5 visits,N = 5372 | Less than 5 visits, N = 4233 | |||
Characteristics | OR(95% c.i.) | p | OR(95% c.i.) | p |
Educational level | < 0.001 | < 0.001 | ||
Elementary | 2.38(1.76,3.22) | < 0.001 | 3.00(2.14,4.21) | < 0.001 |
Middle school | 1.39(1.10,1.74) | 0.005 | 1.39(1.08,1.79) | 0.012 |
High school | 1.22(0.95,1.55) | 0.12 | 1.18(0.90,1.56) | 0.23 |
College | index | |||
Area of origin | < 0.001 | < 0.001 | ||
East | 0.58(0.48,0.69) | < 0.001 | 0.54(0.44,0.67) | < 0.001 |
Central | 0.99(0.86,1.13) | 0.83 | 1.00(0.85,1.17) | 0.98 |
West | index | |||
Birth order | < 0.001 | < 0.001 | ||
3rd | 1.18(1.03,1.35) | 0.015 | 1.42(1.21,1.66) | < 0.001 |
2nd | 2.80(1.96,3.99) | < 0.001 | 3.50(2.32,5.26) | < 0.001 |
1st | index | |||
Medical insurance | < 0.001 | 0.002 | ||
Rural insurance | 1.18(0.99,1.40) | 0.062 | 1.12(0.91,1.36) | 0.29 |
Childbearing insurance | 0.62(0.45,0.86) | 0.004 | 0.60(0.42,0.85) | 0.005 |
Both | 0.74(0.45,1.21) | 0.23 | 0.86(0.51,1.47) | 0.63 |
None | index | |||
Household income | 0.004 | |||
1000- | 1.52(1.21,1.52) | < 0.001 | ||
1000–2000 | 1.23(1.01,1.51) | 0.044 | ||
2000–3000 | 1.23(0.97,1.56) | 0.086 | ||
3000+ | index | |||
Migrated before this pregnancy | < 0.001 | |||
No | 1.52(1.31,1.75) | |||
Yes | index | |||
Geographic spread of migration | 0.005 | |||
Between provinces | 0.73(0.61,0.89) | 0.001 | ||
Between municipal jurisdictions within province | 0.78(0.63,0.95) | 0.016 | ||
Within municipal jurisdiction (rural to urban) | index | |||
Stayed at home town during pregnancy | 0.008 | |||
Yes | 1.32(1.08,1.62) | |||
No | index | |||
Time since first migration(years) | 0.98(0.96,0.99) | 0.005 |
aIncludes only women who migrated before pregnancy (N = 4233)