Models | Fixed intercept-cons (95% CI) | Random effect as level-2 variance var(-cons (95% CI)) | Intra-class correlation coefficient: ICC(ρ) | Log-likelihood (LR)-deviance | Significance of LR test vs. logistic regression (P-value) |
---|---|---|---|---|---|
Adverse birth outcomesa | |||||
Empty model | 0.08 (0.05, 0.12) | 1.55 (0.89, 2.71) | 0.32 = 32% | − 670.72 | P < 0.0001 |
Full model | 0.1 (0.002, 2.92) | 3.75 (1.74, 8.06) | 0.53 = 53% | − 220.11 | P < 0.0001 |