Table 6.
Logistic regression for low birthweight, Minas Gerais, 2012
| Variable | Odds ratio | P-values |
|---|---|---|
| Class C (ref. Class A and B) | 1.85 | 0.024 |
| Class D-E | 1.10 | 0.797 |
| North Region (ref. Central) | 1.22 | 0.575 |
| South Region | 1.23 | 0.563 |
| Mineiro Triangle Region | 1.09 | 0.844 |
| Zona da Mata Region | 1.95 | 0.036 |
| East Region | 0.58 | 0.260 |
| Belo Horizonte (Capital of the State) | 4.44 | <0.001 |
| 20 to 24 (ref. 10 to 19 years old) | 2.04 | 0.163 |
| 25 to 29 | 1.29 | 0.629 |
| 30 to 39 | 1.92 | 0.203NS |
| Over 40 years old | 3.35 | 0.053 |
| Completed middle school and incomplete high school (ref. Less than completed middle school) | 0.73 | 0.225NS |
| Completed high school | 0.41 | 0.002*** |
| Over high school | 0.91 | 0.838NS |
| Private health insurance | 1.17 | 0.508NS |
| Mother with diabetes | 0.50 | 0.454NS |
| Mother with hypertension | 0.45 | 0.013** |
| Multiple births | 7.72 | 0.004*** |
| Late prenatal care | 0.58 | 0.150NS |
| FHS prenatal care | 0.61 | 0.030** |
| Constant | 0.08 | 0.000*** |
| Number of observations | 1,229 | |
| Adjusted R2 | 0.10 | |
| Log of Likelihood | -405.07 | |
Note: ***Statistically significant at 1% margin of error (Sig. level = 99%); **Statistically significant at 5% margin of error (Sig. level = 95%); *Statistically significant at 10% margin of error (Sig. level = 90%) NS not significant