Table 5. Multilevel logistic regression models showing random-effects results on factors associated with unintended pregnancy among adolescent girls and young women.
Random effects | ||||
---|---|---|---|---|
PSU variance (95% CI) | 0.13(0.06–0.24) | 0.06(0.12–0.26) | 2.1(0.9–0.51) | 2.1(0.9–5.3) |
ICC | 0.04 | 0.02 | 0.03 | 0.02 |
LR Test | χ2 = 11.96, p< 0.01 | χ2 = 2.30, p<0.10 | χ2 = 10.56, p< 0.01 | χ2 = 2.31, p< 0.10 |
Wald χ2 | Reference | 829.6*** | 117.5*** | 832.2*** |
Model fitness | ||||
Log-likelihood | -3175.8 | -3114.7 | -3549.6 | -3110.7 |
AIC | 7218.7 | 6263.4 | 7111.2 | 6263.3 |
N | 6791 | 6791 | 6791 | 6791 |
PSU = Primary sampling unit; ICC = Intra-Class Correlation; LR Test = Likelihood ratio Test; AIC = Akaike’s Information Criterion; N = Sample size.