Table 2.

Sample coefficients from one run of the fivefold cross-validated model for friend ratio across 24 societies

Predictorβ- (SE) fold 1β- (SE) fold 2β- (SE) fold 3β- (SE) fold 4β- (SE) fold 5
Intercept0.611 (0.177)0.578 (0.114)0.547 (0.114)0.566 (0.125)0.594 (0.104)
Jitter mean1.720 (0.345)1.652 (0.306)1.648 (0.328)1.545 (0.335)1.720 (0.300)
Jitter SD−1.826 (0.325)−1.797 (0.305)−1.747 (0.302)−1.697 (0.338)−1.9 (0.297)
Fifth percentile shimmer0.280 (0.199)0.290 (0.131)0.315 (0.127)0.324 (0.146)0.302 (0.119)
Mean call duration−0.387 (0.075)−0.358 (0.08)−0.37 (0.084)−0.412 (0.09)−0.385 (0.07)