Table 2.

Weight and behavior changes by treatment group, mean (SD).

Variable	Overall	ALONE	TOGETHER	p
Participant
Weight (kg)
Baseline	101.73 (22.55)	101.64 (22.15)	101.83 (23.14)	.96
Δ Baseline to 6 months	−9.13 (8.01)	−8.22 (8.40)	−10.06 (7.56)	.19
Energy intake (kcal/day)
Baseline	2010.12 (846.22)	1968.69 (776.79)	2054.11 (918.41)	.56
Δ Baseline to 6 months	−546.62 (748.52)	−378.49 (666.35)	−690.72 (789.95)	.033
Fat intake (% kcal/day)
Baseline	39.24 (7.61)	38.75 (7.03)	39.77 (8.21)	.44
Δ Baseline to 6 months	−5.82 (9.32)	−3.51 (6.85)	−7.74 (10.64)	.014
Physical activity (minutes/week)
Baseline	57.58 (149.57)	44.56 (146.79)	71.41 (152.41)	.31
Δ Baseline to 6 months	47.81 (239.76)	48.73 (235.95)	46.94 (245.25)	.97
Spouse
Weight (kg)
Baseline	97.80 (21.02)	99.01 (19.70)	96.51 (22.43)	.50
Δ Baseline to 6 months	−7.37 (6.84)	−3.77 (5.27)	−10.91 (6.35)	<.001
Energy intake (kcal/day)
Baseline	1982.60 (984.10)	2032.06 (1018.37)	1930.05 (951.53)	.55
Δ Baseline to 6 months	−396.01 (893.61)	−319.14 (1044.07)	−458.30 (753.95)	.43
Fat intake (% kcal/day)
Baseline	38.33 (7.71)	39.05 (6.58)	37.56 (8.74)	.27
Δ Baseline to 6 months	−2.74 (8.47)	−0.32 (7.65)	−4.71 (8.65)	.007
Physical activity (minutes/week)
Baseline	61.27 (147.06)	44.74 (107.82)	78.83 (178.88)	.19
Δ Baseline to 6 months	32.77 (204.85)	21.75 (222.35)	42.50 (189.42)	.59