Table 4.

Outcomes across groups at baseline and 12 weeks

				Change from baseline to 12 weeks
Outcome variable and group	Baseline mean (SD)	12 weeks mean (SD)	p‐value within group	p‐value for standard vs. enhanced	Mean (SD)	p‐value for standard vs. enhanced	Effect size Cohen's d
Weight (kg)
Standard	114.2 (20.8)	110.8 (21.7)	0.62	0.58	−3.4 (8.04)	0.57	0.18
Enhanced	111.3 (24.9)	106.6 (25.4)	0.55		−4.7 (5.9)
% Weight change
Standard		3.0 (6.0)	0.05	0.45			0.18
Enhanced		4.0 (5.0)	0.001
BMI
Standard	35.2 (6.2)	34.0 (5.7)	0.56	0.73	−1.2 (2.3)	0.64	0.15
Enhanced	34.9 (6.2)	33.3 (6.4)	0.39		−1.5 (1.8)
Waist circumference (cm)
Standard	111.3 (12.8)	107.7 (12.0)a	<.0001	0.89	−2.9 (4.0)a	0.27	0.39
Enhanced	113.2 (15.2)	108.4 (16.7)	<.0001		−4.7 (5.3)
Systolic blood pressure (mmHg)
Standard	131.6 (39.3)	134.0 (25.3)	0.83	0.51	N = 16 2.4 (38.3)	0.52	0.23
Enhanced	136.1 (21.9)	129.2 (19.4)	0.29		N = 20–4.4 (18.0)
Diastolic blood pressure (mmHg)
Standard	83.3 (27.8)	78.0 (12.6)	0.46	0.64	−4.3 (26.2)d	0.46	0.26
Enhanced	86.7 (11.5)	76.2 (10.4)	0.004		−9.35 (8.47)b
Energy intake (kcal/day)
Standard	2344.8 (1171.3)c	1952.8 (908.8)d	0.29	0.18	−366.046 (1103)d	0.55	0.21
Enhanced	2099.8 (908.3)e	1572.0 (692.7)c	0.06		−593.843 (1101)c
Energy expenditure (kcal/week)
Standard	1423.4 (1822.0)	1412.2 (1076.6)d	0.98	0.88	308.4 (845.3)d	0.07	0.63
Enhanced	500.0 (582.7)	1363.8 (866.8)e	0.001		826.1 (806.4)e
Partner's weight
Standard	86.5 (16.4)	86.5 (17.3)c	0.99	0.44	−0.23 (4.46)	0.09	0.55
Enhanced	94.0 (23.7)	91.5 (22.1)	0.73		−2.47 (3.62)
Partner's % weight change
Standard		−0.15 (6.21)		0.22			0.42
Enhanced		−2.24 (3.43)

^a n = 15.

^b n = 20.

^c n = 18.

^d n = 16.

^e n = 19.