Table 2. Linear models exploring whether mediators affect the level (main effects models) of relative VO2max for Tsimane females and males.
| Sex | Candidate mediator | Age effect est. (P-value) | Main effect models | Sample size | |
|---|---|---|---|---|---|
|
| |||||
| Mediator main effect est. (P-value) | Age main effect est. (P-value) | ||||
| Females | Perc. FFM | −0.23 (0.00) | 0.00 (0.97) | −0.23 (0.00) | 203 |
| Hemoglobin | −0.13 (0.28) | 0.24 (0.01) | −0.11 (0.22) | 117 | |
| Helminths | −0.19 (0.07) | 0.03 (0.77) | −0.20 (0.06) | 92 | |
| Giardia | −0.19 (0.07) | 0.11 (0.28) | −0.19 (0.07) | 92 | |
| Lung ailment | −0.17 (0.06) | −0.05 (0.60) | −0.18 (0.05) | 133 | |
| Reported pain | −0.17 (0.06) | −0.01 (0.94) | −0.17 (0.06) | 133 | |
| Arthritis | −0.17 (0.06) | −0.02 (0.83) | −0.16 (0.07) | 133 | |
| Distance to town | −0.23 (0.00) | 0.02 (0.81) | −0.23 (0.00) | 196 | |
| Spanish speaking | −0.23 (0.00) | −0.08 (0.56) | −0.24 (0.00) | 197 | |
| Males | Perc. FFM | −0.37 (0.00) | 0.09 (0.12) | −0.34 (0.00) | 280 |
| Hemoglobin | −0.29 (0.00) | −0.02 (0.76) | −0.29 (0.00) | 157 | |
| Helminths | −0.30 (0.00) | 0.19 (0.02) | −0.27 (0.00) | 128 | |
| Giardia | −0.30 (0.00) | 0.06 (0.49) | −0.30 (0.00) | 128 | |
| Lung ailment | −0.30 (0.00) | −0.07 (0.33) | −0.31 (0.00) | 185 | |
| Reported pain | −0.30 (0.00) | 0.11 (0.13) | −0.31 (0.00) | 185 | |
| Arthritis | −0.30 (0.00) | −0.06 (0.44) | −0.28 (0.00) | 185 | |
| Distance to town | −0.37 (0.00) | −0.03 (0.59) | −0.37 (0.00) | 273 | |
| Spanish speaking | −0.38 (0.00) | 0.08 (0.50) | −0.37 (0.00) | 271 | |
All parameter estimates are standardized.