Table 2.
Hormonal reactivity and eating parameters in high/low reactors of people with obesity and healthy weight controls.
| People with obesity (N = 36) | Healthy weight controls (N = 36) | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Low cortisol reactors (n = 18) | High cortisol reactors (n = 18) | Independent Student t-test | Low cortisol reactors (n = 18) | High cortisol reactors (n = 18) | Independent Student t-test | ||||
| Derived cortisol parameters | M (SD) | M (SD) | t | p | M (SD) | M (SD) | t | p | |
| AUCI | Resting-C. | 1.56 (53.66) | 22.69 (113.07) | −0.716 | 0.48 | 3.24 (114.73) | 17.98 (138.84) | −0.347 | 0.73 |
| Stress-C. | 118.12 (100.34) | 761.64 (336.28) | −7.780 | ≤0.001*** (d = −2.59) | 67.71 (88.50) | 762.21 (443.28) | −6.518 | ≤0.001*** (d = −2.17) | |
| Baseline cortisol level | Resting-C. | 2.29 (1.02) | 6.36 (3.68) | −4.527 | ≤0.001*** (d = −1.51) | 7.18 (3.91) | 7.80 (4.43) | −0.453 | 0.65 |
| Stress-C. | 2.70 (1.84) | 5.56 (3.25) | −3.328 | ≤0.001*** (d = −1.08) | 8.94 (4.23) | 7.99 (4.26) | 0.669 | 0.51 | |
| Eating parameters | |||||||||
| Eaten sandwich in kcal | Resting-C. | 418.50 (236.45) | 522.96 (301.25) | −1.157 | 0.26 | 563.93 (270.55) | 577.18 (310.34) | −0.136 | 0.89 |
| Stress-C. | 378.01 (240.65) | 563.50 (299.95) | −2.046 | 0.05* (d = −0.68) | 592.79 (348.25) | 534.62 (278.12) | 0.554 | 0.58 | |
| Eaten biscuit in kcal | Resting-C. | 238.44 (250.82) | 310.21 (154.67) | −1.033 | 0.31 | 249.67 (432.53) | 202.44 (106.92) | 0.450 | 0.66 |
| Stress-C. | 208.39 (237.00) | 290.88 (207.20) | −1.112 | 0.27 | 243.25 (270.40) | 173.11 (105.75) | 1.025 | 0.31 | |
| Total food intake in kcal | Resting-C. | 656.95 (389.34) | 833.17 (300.73) | −1.520 | 0.14 | 813.60 (511.70) | 779.62 (365.25) | 0.229 | 0.82 |
| Stress-C. | 586.40 (424.08) | 854.38 (359.03) | −2.046 | 0.05* (d = −0.68) | 836.04 (350.52) | 707.73 (324.10) | 1.140 | 0.26 | |
AUC1 area under the curve with respect to increase, d Cohen d, kcal kilocalories, M mean, Resting-C. resting condition, SD standard deviation, Stress-C. stress condition. p ≤ 0.05*; p ≤ 0.01**; p ≤ 0.001***
p ≤ 0.05*; p ≤ 0.01**; p ≤ 0.001***.