Table 3.
Characteristics associated with short preceding interbirth interval (<24 months), n = 328.
| Characteristic | Adjusted odds ratioa (95% confidence interval) | P value |
|---|---|---|
| Maternal age (years) | 0.91 (0.84, 0.98) | 0.018 |
| Caste | 0.006 | |
| Upper caste | 1 | |
| Janajati | 1.17 (0.41, 2.83) | |
| Lower caste | 2.28 (1.26, 4.14) | |
| Sex of newborn | 0.04 | |
| Male | 1 | |
| Female | 1.80 (1.01, 3.18) |
aFrom backward stepwise logistic regression, variables excluded were paternal age, maternal education level, paternal education level, wealth quintile, residential location, and knowledge of family planning methods.