Table 3.
Final multilevel model for use of modern contraceptives among married women aged 15–49 years in Vietnam
| Variable | Coefficient (standard error) | Odds ratio (95% CI) | p |
|---|---|---|---|
| Age 15–19 | – | – | – |
| Age 20–24 versus 15–19 | 1.16 (0.28) | 3.2 (1.8–5.5) | <0.01 |
| Age 25–29 versus 15–19 | 1.50 (0.27) | 4.5 (2.6–7.5) | <0.01 |
| Age 30–34 versus 15–19 | 1.63 (0.28) | 5.1 (2.9–8.9) | <0.01 |
| Age 35–39 versus 15–19 | 1.38 (0.28) | 4.0 (2.3–7.0) | <0.01 |
| Age 40–44 versus 15–19 | 1.15 (0.28) | 3.2 (1.8–5.4) | <0.01 |
| Age 45–49 versus 15–19 | 0.56 (0.27) | 1.7 (1.0–2.9) | 0.05 |
| Have no son | – | – | – |
| Any living son | 0.36 (0.07) | 1.4 (1.2–1.6) | <0.01 |
| Have less than two children | – | – | – |
| Have 2 children | 0.88 (0.06) | 2.4 (2.1–2.7) | <0.01 |
| Have ≥3 children | 0.83 (0.09) | 2.3 (1.9–2.7) | <0.01 |
| Low SES | – | – | – |
| Middle SES | −0.12 (0.07) | 0.9 (0.7–1.1) | 0.07 |
| High SES | −0.21 (0.08) | 0.8 (0.7–0.9) | <0.01 |
| Living in urban | – | – | – |
| Living in rural | −0.07 (0.06) | 0.92 (0.8–1.1) | 0.18 |
| Women's education level: no school | – | – | – |
| Primary school | 0.07 (0.12) | 1.1 (0.9–1.4) | 0.59 |
| Lower secondary school | 0.10 (0.12) | 1.1 (0.9–1.4) | 0.40 |
| Upper secondary | 0.16 (0.13) | 1.2 (0.9–1.5) | 0.23 |
| College/universities | 0.06 (0.13) | 1.1 (0.8–1.4) | 0.63 |
| Kinh | – | – | – |
| Other ethnic groups | 0.12 (0.08) | 1.1 (0.94–1.3) | 0.2 |
| Interaction between high SES and provincial poverty rate | −0.013 (0.006) | 0.04 | |
| Random intercept | 0.22 (χ 2=129.8, df=62, p<0.001) | ||
| Random slope of variable high SES | 0.03 (χ 2=95.5, df=661, p<0.001) | ||