Table 2.

Differences in outcome change from baseline to 12th week (ITT Analysis)

	ESG (n = 24)				SSG (n = 25)				CG (n = 22)				P‐value
	Mean	SE	95% CI		Mean	SE	95% CI		Mean	SE	95% CI
Weight loss (kg)	−3.71	0.58	−4.87	−2.55	−1.61	0.57	−2.76	−0.47	0.59	0.61	−0.62	1.81	<0.001a
Percent weight loss (％)	−4.30	0.68	−5.65	−2.95	−1.85	0.67	−3.19	−0.52	0.87	0.71	−0.55	2.28	<0.001a
BMI (kg/ｍ2)	−1.27	0.19	−1.66	−0.88	−0.57	0.19	−0.95	−0.19	0.16	0.20	−0.24	0.57	<0.001a
Waist circumference (cm)	−3.51	0.84	−5.20	−1.81	−1.65	0.82	−3.31	0.01					0.124a
Body fat (％)	−1.53	0.32	−2.17	−0.88	−0.67	0.31	−1.30	−0.04					0.063a
Energy intake (kcal/day)	−156.87	93.96	−344.41	30.67	−78.24	92.85	−263.57	107.08	−39.14	98.57	−235.87	157.60	0.675a
Energy expenditure (kcal/day)	81.54	128.07	−174.10	337.17	162.58	126.56	−90.03	415.19	135.69	124.55	134.36	−143.62	0.904a
Self‐efficacy score	4.63	1.21	2.22	7.04	3.14	1.19	0.76	5.52	0.88	1.27	−1.65	3.41	0.106a
Self‐monitoring on website (days)	53.26	6.28	40.62	65.9	40.79	6.15	28.41	53.17					0.165a

CG: Control Group, ESG: Enhanced Support Group, ITT: intention to treat, SE: Standard Error, SSG: Standard Support Group.

^aANCOVA; means adjusted on baseline BMI.