Table 4. Effects and standard errors from a linear model predicting ladder placement with age as a predictor (Model 3) and the interaction between age and country (Model 4).
The baseline for region is the United States. Table also shows goodness of fit.
| Model 3 | Model 4 | |
|---|---|---|
| (Intercept) | 1.26 | 1.36 |
| (0.74) | (1.31) | |
| Social Comparison Index (SCI) | 0.20** | 0.20** |
| (0.07) | (0.07) | |
| India | -0.58 | -0.89 |
| (0.47) | (1.79) | |
| Upano Valley Ecuador | 0.70 | 0.83 |
| (0.49) | (1.70) | |
| Argentina | 0.92 | 0.46 |
| (0.51) | (1.62) | |
| Cross-Cutucú Ecuador | 0.39 | 0.76 |
| (0.55) | (1.97) | |
| Age | 0.16** | 0.15 |
| (0.05) | (0.13) | |
| India * Age | 0.03 | |
| (0.19) | ||
| Upano Valley Ecuador * Age | -0.01 | |
| (0.17) | ||
| Argentina * Age | 0.04 | |
| (0.16) | ||
| Cross-Cutucú Ecuador * Age | -0.03 | |
| (0.19) | ||
| R2 | 0.11 | 0.11 |
| Adj. R2 | 0.09 | 0.08 |
| Num. obs. | 344 | 344 |
| RMSE | 2.83 | 2.85 |
***p < 0.001
**p < 0.01
*p < 0.05