Table 3 GLMM results for the stone dimensions (weight, length, width and thickness) and the predictor variables group, sex and age (juveniles and adults/subadults), N = 301.
From: Digging up food: excavation stone tool use by wild capuchin monkeys
Effect | B | SE | F | df1 | df2 | p-value | |
|---|---|---|---|---|---|---|---|
Weight | Intercept | 55.616 | 41.749 | 4.599 | 3 | 297 | 0.004 |
Group | −3.610 | 25.047 | 0.021 | 1 | 297 | 0.886 | |
Age | 81.621 | 32.010 | 6.502 | 1 | 297 | 0.011 | |
Sex | 47.551 | 21.267 | 4.999 | 1 | 297 | 0.026 | |
Length | Intercept | 5.139 | 0.534 | 5.914 | 3 | 291 | 0.001 |
Group | 0.017 | 0.322 | 0.003 | 1 | 291 | 0.958 | |
Age | 1.084 | 0.408 | 7.054 | 1 | 291 | 0.008 | |
Sex | 0.776 | 0.273 | 8.100 | 1 | 291 | 0.005 | |
Width | Intercept | 3.396 | 0.321 | 6.559 | 3 | 291 | 0.001 |
Group | −0.110 | 0.194 | 0.323 | 1 | 291 | 0.570 | |
Age | 0.781 | 0.245 | 10.129 | 1 | 291 | 0.002 | |
Sex | 0.382 | 0.164 | 5.439 | 1 | 291 | 0.020 | |
Thickness | Intercept | 2.289 | 0.272 | 7.146 | 2 | 291 | 0.001 |
Group | 0.027 | 0.164 | 0.027 | 1 | 291 | 0.869 | |
Age | 0.706 | 0.208 | 11.498 | 1 | 291 | 0.001 | |
Sex | 0.370 | 0.139 | 7.071 | 1 | 291 | 0.008 |
