Table 2.

Descriptive statistics for major outcome variables stratified by group assignment and time of assessment.

Variable	Pre-intervention Mean (SD) [minimum-maximum]	n	Post-intervention Mean (SD) [minimum-maximum]	n
Monitoring & Restricting (Full Diet)
Weight (lb)	155.88(27.53) [113–250]	24	153.23(23.26) [117–224]	22
Body Mass Index	25.77(3.63) [19.39–35.9]	24	25.19(3.02) [20.08–32.1]	22
Perceived Stress Scale	2.67(0.58) [1.69–3.85]	23	2.97(0.73) [1.57–4.29]	21
Total Cortisol Output	1800.45(374.45) [1230.82–2882.13]	24	1703.42(411.12) [968.86–2717.36]	21
Cortisol Awakening Response	0.60(0.49) [−0.14–1.68]	24	0.51(0.64) [−0.14–2.22]	21
Kilocalories			26449.89(5483.57) [19467–43042.1]	20
			(1259.52 per day)
Monitoring (Food Diary)
Weight (lb)	147.65(30.71) [113–247.5]	28	147.88(31.05) [111–246]	28
Body Mass Index	24.42(4.01) [18.6–38.2]	28	24.56(4.12) [18.4–38]	28
Perceived Stress Scale	2.61(0.38) [1.69–3.23]	28	2.83(0.51) [1.71–3.93]	28
Total Cortisol Output	1719.14(235.13) [1233.58–2251.06]	27	1541.67(426.76) [147.92–2174.63]	26
Cortisol Awakening Response	0.58(0.42) [−0.18–1.48]	27	0.21(0.74) [−2.35–1.45]	26
Kilocalories			35715.5(9717.21) [14420–63153]	27
			(1700.74 per day)
Restricting (Food Provided)
Weight (lb)	140.2(30.93) [101–209]	20	139.62(30.59) [100–204]	20
Body Mass Index	24.9(4.48) [18.8–38.2]	20	24.71(4.07) [18.6–35.57]	20
Perceived Stress Scale	2.79(0.53) [2–3.54]	20	2.79(0.62) [1.14–3.86]	20
Total Cortisol Output	1545.21(453.96) [362.79–2289.68]	19	1807.93(304.56) [1441.14–2478.92]	20
Cortisol Awakening Response	0.32(0.94) [−1.60–2.37]	20	0.37(0.56) [−1.02–1.68]	20
Control
Weight (lb)	145.04(26.01) [112.25–239]	29	149.98(29.22) [108.75–234]	29
Body Mass Index	24.12(3.41) [19.8–37.4]	29	24.98(3.86) [19.73–36.6]	29
Perceived Stress Scale	2.69(0.57) [1.62–3.92]	29	2.72(0.53) [1.79–3.93]	29
Total Cortisol Output	1612.64(260.46) [1168.89–2370.50]	29	1603.94(311.58) [1023.99–2386.70]	28
Cortisol Awakening Response	0.27(0.45) [−0.74–1.46]	29	0.30(0.67) [−1.12–2.60]	28
Key:
Cortisol-ln(nmol/liter)