Table 2 .

Parameter estimates for effects of time and treatment on changes to eating and exercise and difficulty of eating and exercise changes

	Changes to eating		Difficulty of eating changes			Changes to exercise		Difficulty in exercise changes
	OR	95% CI	B	SE	95% CI	OR	95% CI	B	SE	95% CI
Main effects
Time
4 mo	–	–	–	–	–	–	–	–	–	–
1 yr	7.15	3.023; 16.903	−0.29	0.122	−0.529; −0.050	3.02	2.120; 4.289	−0.25	0.132	−0.511; 0.006
2 yr	6.02	2.656; 13.638	−0.10	0.126	−0.342; 0.153	3.55	2.484; 5.079	−0.06	0.142	−0.343; 0.215
3 yr	8.95	3.860; 20.730	−0.19	0.142	−0.472; 0.086	2.60	1.769; 3.808	0.08	0.149	−0.212; 0.373
Treatment
Large changes	–	–	–	–	–	–	–	–	–	–
Small changes	0.91	0.555; 1.492	−1.11	0.138	−1.381; −0.840	0.60	0.433; 0.821	−0.70	0.151	−0.996; −0.405
Interaction
Time
4 mo	–	–	–	–	–	–	–	–	–	–
1 yr	6.97	2.398; 20.237	−0.88	0.170	−1.220; −0.542	3.14	1.983; 4.976	−0.41	0.205	−0.815; −0.010
2 yr	4.37	1.574; 12.105	−0.60	0.180	−0.949; −0.245	3.19	1.977; 5.140	−0.38	0.203	−0.780; 0.017
3 yr	5.43	1.844; 15.980	−0.73	0.198	−1.117; −0.341	2.04	1.262; 3.307	−0.27	0.224	−0.703; 0.173
Treatment
Large changes	–	–	–	–	–	–	–	–	–	–
Small changes	0.50	0.092; 2.694	−1.77	0.170	−2.100; −1.431	0.50	0.268; 0.915	−1.01	0.211	−1.427; −0.601
Time × treatment
4 mo × LG	–	–	–	–	–	–	–	–	–	–
4 mo × SM	–	–	–	–	–	–	–	–	–	–
1 yr ×LG	–	–	–	–	–	–	–	–	–	–
1 yr × SM	1.07	0.173; 6.581	1.18	0.235	0.719; 1.640	0.92	0.444; 1.905	0.30	0.267	−0.222; 0.824
2 yr × LG	–	–	–	–	–	–	–	–	–	–
2 yr × SM	2.12	0.380; 11.852	1.00	0.247	0.513; 1.482	1.30	0.626; 2.677	0.60	0.283	0.049; 1.160
3 yr × LG	–	–	–	–	–	–	–	–	–	–
3 yr × SM	2.95	0.504; 17.256	1.07	0.278	0.524; 1.612	1.73	0.785; 3.794	0.67	0.299	0.082; 1.253

LG large change intervention; SM small change intervention; bolded results indicated p < 0.05; mo months; yr year.