Table 2.
Anthropometric and hormonal characteristics of participants (N=262)
| Mean (SD)
|
|
|---|---|
| Obesity measure | |
| BMIa | 24.0 (6.2) |
| BMI-Zb | 0.7 (1.0) |
| Percent body fat (DXA) | 29.2 (7.7) |
| Fat distributionc | 0.6 (0.2) |
| Measures of the HPA axis | |
| Daytime serum cortisol (n=255) | |
| Cortisol μg/dL (mean 3 samples) | 9.7 (4.9) |
| Cortisol AUC (AUCg)d | 19.5 (10.0) |
| Cortisol net response (AUCi)d | 1.2 (7.5) |
| Overnight urine free cortisol (n=218) | |
| Urine cortisol excretion, nmol/h | 3.0 (2.5) |
| Cortisol reactivity | |
| Cortisol reactivity cluster, mean cortisol (μg/dL) | |
| Cluster 1: low, stable (n=168) | 6.9 (2.0) |
| Cluster 2: moderate, slightly increasing (n=69) | 14.4 (2.8) |
| Cluster 3: high, increasing (n=18) | 27.4 (5.5) |
Abbreviations: SD=standard deviation; DXA=dual energy X-ray absorptiometry; AUC= area under the curve; BMI=body mass index;
a
Calculated as weight (kg)/height (meters2);
c
Calculated as fat mass in upper/lower body regions (DXA);
d
Calculated as described by Pruessner et al (29)