Table 2.
Sex distribution, metabolic heat production, sweat rates, and V̇o2 for each experimental condition (means ± SD)
| 36°C | 38°C | 40°C | 20 mmHg | 16 mmHg | 12 mmHg | |
|---|---|---|---|---|---|---|
| Sex | ||||||
| MinAct | 4 M / 5 W | 5 M / 3 W | 4 M / 5 W | 6 M / 3 W | 4 M / 5 W | 4 M / 5 W |
| LightAmb | 4 M / 5 W | 5 M / 4 W | 4 M / 5 W | 6 M / 3 W | 4 M / 5 W | 4 M / 5 W |
| Mnet, W·m−2 | ||||||
| MinAct | 77.9 ± 15.7 | 82.6 ± 17.1 | 80.4 ± 8.5 | 81.5 ± 11.4 | 87.7 ± 10.7 | 87.4 ± 12.3 |
| LightAmb | 128.5 ± 17.5* | 136.0 ± 15.8* | 133.5 ± 13.2* | 130.3 ± 10.3* | 134.4 ± 14.5* | 137.3 ± 18.7* |
| SR, g·m−2·h−1 | ||||||
| MinAct | 117.1 ± 84.5 | 179.7 ± 105.4 | 147.5 ± 70.4 | 103.9 ± 41.2 | 140.9 ± 62.2 | 171.8 ± 98.2 |
| LightAmb | 211.9 ± 68.6* | 273.6 ± 107.3 | 262.6 ± 87.4 | 187.4 ± 37.9* | 205.7 ± 74.3 | 243.3 ± 101.7 |
| V̇o2, L·min−1 | ||||||
| MinAct | 0.41 ± 0.11 | 0.47 ± 0.11 | 0.43 ± 0.07 | 0.46 ± 0.10 | 0.49 ± 0.09 | 0.47 ± 0.11 |
| LightAmb | 0.73 ± 0.15* | 0.80 ± 0.17* | 0.80 ± 0.16* | 0.82 ± 0.15* | 0.80 ± 0.14* | 0.79 ± 0.18* |
| BML, % | ||||||
| MinAct | 0.55 ± 0.44 | 0.81 ± 0.52 | 0.80 ± 0.42 | 0.50 ± 0.19 | 0.66 ± 0.30 | 0.86 ± 0.53 |
| LightAmb | 0.98 ± 0.45* | 1.33 ± 0.48 | 1.22 ± 0.40 | 0.71 ± 0.15 | 0.93 ± 0.41 | 1.09 ± 0.45* |
BML, body mass loss; LightAmb, light ambulatory activity; M, men; mnet, metabolic heat production; MinAct, minimal activity; SR, sweat rate; W, women. * P < 0.002 compared with MinAct.