Table 2.
Linear regression results for the relationship between five measures of centrality and age-controlled residuals for living offspring in the Agta and BaYaka.
| Agta (n = 39) | BaYaka (n = 38) | |||||||
|---|---|---|---|---|---|---|---|---|
| β | p | 95% CI | Adjusted R2 | β | p | 95% CI | Adjusted R2 | |
| Degree | −1.5 | 0.019 | −2.74, −0.26 | 0.23 | −0.47 | 0.26 | −1.31, 0.36 | 0.001 |
| Degree*age | −2.577 | 0.053 | −5.18, 0.03 | — | — | — | — | |
| Strength | −1.068 | 0.11 | −2.39, 0.26 | 0.14 | −0.395 | 0.331 | −1.21, 0.42 | 0.019 |
| Betweenness | 2.445 | <0.001 | 1.25, 3.64 | 0.46 | 0.872 | 0.029 | 0.1, 1.65 | 0.095 |
| Between*age | 6.025 | <0.001 | 3.19, 8.87 | — | — | — | — | |
| EC | −1.07 | 0.103 | −2.37, 023 | 0.14 | −0.124 | 0.764 | −0.95, 0.71 | 0.047 |
| Closeness | 1.674 | 0.007 | 0.49, 2.85 | 0.31 | 0.962 | 0.015 | 0.20, 1.73 | 0.125 |
| Close*age | 3.613 | 0.011 | 0.89, 6.34 | — | — | — | — | |
Age is mean centred at 36 years in the Agta and 41.7 years in the BaYaka. Models control for camp membership and all betas are standardised.