Table 4.

Means (standard deviations) by Group and HLM effects

Outcome	Time Point				HLM Effect (p values)
	Baseline	6-months	12-months	18-months	G	T	T2	G x T	G x T2
YPAS					.11	.02	.02	.04	.04
Individuals	5070.5 (5738.3)	5304.5 (3741.1)	6511.4 (6270.8)	7087.2 (8663.1)
Couples	3504.9 (2629.1)	5365.4 (4141.8)	6287.8 (6504.4)	5403.3 (3867.1)
DAS					.84	.78	†	.55	†
Individuals	112.7 (16.8)	113.2 (16.6)	111.2 (17.3)	112.3 (18.0)
Couples	113.4 (15.4)	113.7 (14.8)	114 (14.9)	113.7 (14.8)
Track Caps					.56	<.01	†	.80	†
Individuals	47.7 (46.0)	87.7 (22.3)	81.8 (27.0)	73.1 (36.6)
Couples	57.8 (45.1)	82.8 (28.2)	90.6 (21.1)	84.6 (24.1)
BMI					.87	.82	.46	.15	.19
Individuals	31 (10.9)	33.7 (5.9)	33.4 (6.2)	33.6 (6.0)
Couples	31.2 (9.0)	31 (8.3)	32.4 (5.9)	41.2 (48.3)
KRISTAL TOTAL					.36	.19	†	.93	†
Individuals	2.2 (0.4)	2.1 (0.4)	2.2 (0.3)	2.2 (0.5)
Couples	2.3 (0.5)	2.4 (0.3)	2.3 (0.4)	2.2 (0.3)
KRISTAL: SAT FAT					.59	.25	†	.82	†
Individuals	2.2 (0.4)	2.2 (0.4)	2.1 (0.4)	2.3 (0.4)
Couples	2.2 (0.4)	2.3 (0.4)	2.3 (0.3)	2.2 (0.3)

^†Only a linear model was estimated for this outcome

G: Group

T: Time

T²: Time squared