Logistic regression model for main reasons of the second pregnancy according to sociodemographic factors
| Parameter | OR | 95% CI | p value |
|---|---|---|---|
| Suggestions from parents | |||
| Education level | |||
| Low education | 1.00 | ||
| Medium education | 1.00 | 0.49 to 2.04 | 0.993 |
| High education | 0.16 | 0.07 to 0.39 | <0.000* |
| Concerns about losing the first child | |||
| Single child | |||
| No | 1.00 | ||
| Yes | 0.36 | 0.16 to 0.80 | 0.012* |
| Residence | |||
| Rural | 1.00 | ||
| Urban | 0.52 | 0.27 to 0.99 | 0.047* |
| Love children | |||
| Nationality | |||
| Han nationality | 1.00 | ||
| Minority | 2.67 | 1.18 to 6.04 | 0.018* |
| Single child | |||
| No | 1.00 | ||
| Yes | 0.54 | 0.35 to 0.83 | 0.005* |
| Husband was a single child | |||
| No | 1.00 | ||
| Yes | 0.56 | 0.37 to 0.85 | 0.006* |
| Disability of the first child | |||
| Nationality | |||
| Han nationality | 1.00 | ||
| Minority | 6.82 | 1.31 to 35.57 | 0.023* |
| Adopting the ‘two-child policy’ | |||
| Education level | |||
| Low education | 1.00 | ||
| Medium education vs low education | 3.08 | 1.41 to 6.70 | 0.005* |
| High education vs low education | 1.56 | 0.76 to 3.22 | 0.225 |
| Others | |||
| Nationality | |||
| Han nationality | 1.00 | ||
| Minority | 5.68 | 1.94 to 16.61 | 0.002* |
*Statistically significant (p<0.05).