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. 2019 Dec 20;14(12):e0226550. doi: 10.1371/journal.pone.0226550

Table 3. Effects and standard errors from linear models predicting ladder placement in the full sample (Model 1), the full sample with interactions (Model 2).

The baseline for region is the United States. Table also shows goodness of fit.

Model 1 Model 2
(Intercept) 2.55*** 1.24
(0.60) (1.54)
Social Comparison Index (SCI) 0.21** 0.40
(0.07) (0.22)
India -0.45 1.44
(0.47) (2.03)
Upano Valley Ecuador 1.03* 0.27
(0.48) (1.85)
Argentina 1.21* 3.39
(0.50) (2.03)
Cross-Cutucú Ecuador 0.74 5.09*
(0.54) (2.06)
SCI * India -0.27
(0.28)
SCI * Upano Valley 0.08
(0.25)
SCI * Argentina -0.30
(0.27)
SCI * Cross-Cutucú -0.57*
(0.27)
R2 0.09 0.12
Adj. R2 0.07 0.09
Num. obs. 346 346
RMSE 2.86 2.83

***p < 0.001

**p < 0.01

*p < 0.05

Statistical models