Table 3 GLMM summaries for AFR and IBI as response variables
Model 1. Age at First Reproduction (AFR) | Model 2. Interbirth Interval (IBI) | ||
|---|---|---|---|
Response variable | AFR (years) | Response variable | IBI (months) |
Fixed effects | Estimate (SE) | Fixed effects | Estimate (SE) |
High-income (intercept) | 3.36*** (0.02) | Low-income (intercept) | 1.82*** (0.09) |
Low-income |  − 0.33*** (0.06) | Middle-income | 0.11 (0.09) |
Middle-income |  − 0.29*** (0.02) | Natural fertility | 0.15 (0.18) |
Natural fertility |  − 0.28** (0.11) | US WIC nonparticipants | 0.24 (0.15) |
US WIC nonparticipant |  − 0.003 (0.11) | US WIC participants | 0.32* (0.15) |
US WIC participant |  − 0.21 (0.11) | Age | 0.06*** (0.0007) |
Random effects | SD | Random effects | SD |
Population (intercept) | 0.02 | Population (intercept) | 0.08 |
Residual | 0.19 | Residual | 0.58 |