Telecoaching plus a portion control plate for weight care management: a randomized trial

Huber, Jill M.; Shapiro, Joshua S.; Wieland, Mark L.; Croghan, Ivana T.; Vickers Douglas, Kristen S.; Schroeder, Darrell R.; Hathaway, Julie C.; Ebbert, Jon O.

doi:10.1186/s13063-015-0880-1

Trials

Table 2 Body size change from baseline to 3 and 6 months, overall and according to sex

From: Telecoaching plus a portion control plate for weight care management: a randomized trial

	Change from baseline
	Telecoaching + portion control		Usual care		Complete case estimated treatment effect			Last value carried forward estimated treatment effect
	N	Mean ± SD	N	Mean ± SD	Est	(95 % C.I.)	P*	Est	(95 % C.I.)	P value*
All Subjects
3-months
Weight, kg	38	−2.2 ± 3.1	40	−1.0 ± 2.0	−1.2	(-2.4, -0.1)	0.045	−0.9	(-1.9, +0.1)	0.091
BMI, kg/m²	38	−0.9 ± 1.2	40	−0.3 ± 0.7	−0.5	(-1.0, -0.1)	0.020	−0.4	(-0.8, -0.0)	0.038
Waist, cm	38	−3.2 ± 3.6	39	−1.9 ± 2.6	−1.3	(-2.7, +0.1)	0.072	−0.9	(-2.2, +0.4)	0.180
Waist-hip ratio	38	−0.02 ± 0.05	39	−0.00 ± 0.03	−0.02	(-0.04, -0.00)	0.037	−0.02	(-0.04, -0.00)	0.037
6-months
Weight, kg	37	−2.6 ± 4.4	39	−1.1 ± 3.7	−1.5	(-3.3, +0.4)	0.118	−1.0	(-2.6, +0.6)	0.225
BMI, kg/m²	37	−1.0 ± 1.7	39	−0.4 ± 1.3	−0.7	(-1.4, -0.1)	0.038	−0.5	(-1.1, +0.1)	0.093
Waist, cm	36	−4.1 ± 6.1	39	−2.8 ± 4.1	−1.4	(-3.8, +0.9)	0.240	−1.1	(-3.2, +0.9)	0.282
Waist-hip ratio	36	−0.02 ± 0.07	39	−0.00 ± 0.05	−0.02	(-0.05, +0.00)	0.083	−0.02	(-0.05, +0.00)	0.083
Women
3-months
Weight, kg	33	−2.5 ± 3.1	26	−0.7 ± 2.1	−1.9	(-3.2, -0.6)	0.007	−1.6	(-2.8, -0.3)	0.016
BMI, kg/m²	33	−1.0 ± 1.2	26	−0.3 ± 0.8	−0.7	(-1.2, -0.2)	0.012	−0.6	(-1.1, -0.1)	0.020
Waist, cm	33	−3.5 ± 3.6	25	−1.9 ± 2.9	−1.6	(-3.4, +0.1)	0.074	−1.4	(-3.0, +0.2)	0.083
Waist-hip ratio	33	−0.01 ± 0.05	25	0.00 ± 0.03	−0.01	(-0.03, +0.01)	0.350	−0.01	(-0.03, +0.01)	0.295
6-months
Weight, kg	33	−2.9 ± 4.5	25	−0.3 ± 3.4	−2.9	(-4.8, -1.0)	0.004	−2.3	(-4.0, -0.5)	0.013
BMI, kg/m²	33	−1.1 ± 1.7	25	−0.2 ± 1.4	−1.0	(-1.8, -0.2)	0.014	−0.8	(-1.5, -0.1)	0.025
Waist, cm	33	−4.0 ± 6.2	25	−2.0 ± 4.1	−2.0	(-4.8, +0.8)	0.172	−1.7	(-4.2, +0.8)	0.199
Waist-hip ratio	33	−0.02 ± 0.07	25	0.00 ± 0.05	−0.01	(-0.04, +0.02)	0.428	−0.01	(-0.04, +0.01)	0.371
Men
3-months
Weight, kg	5	−0.0 ± 2.4	14	−1.4 ± 1.8	+1.4	(-0.6, +3.3)	0.190	+1.3	(-0.3, +2.8)	0.135
BMI, kg/m²	5	−0.0 ± .08	14	−0.4 ± 0.6	+0.4	(-0.2, +0.9)	0.206	+0.4	(-0.1, +0.9)	0.102
Waist, cm	5	−1.5 ± 3.2	14	−2.0 ± 2.1	+0.3	(-2.0, +2.7)	0.785	+0.9	(-1.6, +3.4)	0.501
Waist-hip ratio	5	−0.04 ± 0.05	14	−0.00 ± 0.04	−0.04	(-0.07, -0.00)	0.037	−0.04	(-0.07, -0.01)	0.017
6-months
Weight, kg	4	−0.2 ± 3.5	14	−2.4 ± 4.0	+2.4	(-1.3, +6.1)	0.227	+2.3	(-0.5, +5.1)	0.122
BMI, kg/m²	4	−0.1 ± 1.1	14	−0.7 ± 1.1	+0.6	(-0.5, +1.7)	0.281	+0.7	(-0.1, +1.5)	0.098
Waist, cm	3	−6.2 ± 3.6	14	−4.0 ± 4.0	−2.4	(-6.6, +1.8)	0.286	−0.2	(-3.8, +3.4)	0.902
Waist-hip ratio	3	−0.03 ± 0.06	14	0.00 ± 0.06	−0.03	(-0.09, +0.03)	0.338	−0.04	(-0.08, +0.00)	0.077

*Treatment effects were estimated using analysis of covariance (ANCOVA). For these analyses, the follow-up measurement was the dependent variable, treatment group was the independent variable and the baseline value of the measurement was included as the covariate

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