Skip to main content

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
  1. *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