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Table 2 Linear regression model results comparing intervention groups to control with respect to body composition outcomes among parents participating in the Guelph Family Health Study at 6-months and 18-months post-intervention controlling for baseline body composition values and stratified by BMI status

From: A randomized home-based childhood obesity prevention pilot intervention has favourable effects on parental body composition: preliminary evidence from the Guelph Family Health Study

Outcome 0 to 6 months (completion of intervention) 0 to 18 months (1-year post intervention)
\( \widehat{B} \) a p-value (95% CI) \( \widehat{B} \) a p-value (95% CI)
Analysis of treatments (4 HV n = 9 parents at 6 M and n = 8 parents at 18 M; 2 HV n = 12 parents at 6 M and 18 M) compared to control group (n = 13 parents at 6 M and n = 12 at 18 M) for participants with baseline BMI ≥25.0 kg/m2
Body mass, kg 2 HV vs. control −2.99 0.04 (− 5.85, − 0.14) −4.39 < 0.01 (− 7.57, − 1.21)
4 HV vs. control − 0.02 0.90 (− 2.79,2.45) −0.27 0.89 (− 4.04, 3.50)
BMI, kg/m2 2 HV vs. control −1.02 0.06 (− 2.06, 0.03) − 1.44 0.01 (− 2.59, − 0.29)
4 HV vs. control 0.17 0.72 (− 0.76, 1.10) − 0.02 0.98 (− 1.22, 1.19)
WC, cm 2 HV vs. control −3.06 0.03 (−5.82, − 0.30) −5.90 < 0.01 (− 9.30, −  2.50)
4 HV vs. control 0.18 0.89 (− 2.20, 2.55) − 1.58 0.28 (− 4.43, 1.27)
FM, % 2 HV vs. control − 2.51 0.05 (− 5.06, 0.05) − 2.72 0.17 (−6.58, 1.15)
4 HV vs. control − 0.42 0.73 (− 2.82, 1.98) − 1.40 0.43 (− 4.85, 2.05)
Analysis of treatments (4 HV n = 5 parents; 2 HV n = 11 parents at both 6 M and 18 M) compared to control group (n = 8 parents at both 6 M and 18 M) for participants with baseline BMI < 25 kg/m2
Body mass, kg 2 HV vs. control −1.49 < 0.01 (−2.56, − 0.42) 0.50 0.74 (− 2.46, 3.46)
4 HV vs. control −0.95 0.24 (−2.54, 0.64) −0.16 0.88 (− 2.16, 1.84)
BMI, kg/m2 2 HV vs. control −0.42 0.02 (−0.77, − 0.08) 0.10 0.85 (− 0.92, 1.11)
4 HV vs. control −0.34 0.21 (− 0.87, 0.19) −0.16 0.69 (− 0.95, 0.63)
WC, cm 2 HV vs. control −0.65 0.68 (−3.70, 2.41) −1.88 0.33 (− 5.68, 1.91)
4 HV vs. control −0.40 0.85 (−4.57, 3.77) −1.13 0.58 (−5.16, 2.90)
FM, % 2 HV vs. control 0.99 0.34 (−1.04, 3.01) 0.62 0.76 (−3.27, 4.50)
4 HV vs. control −2.03 0.04 (−3.94, −0.12) 0.24 0.89 (−3.19, 3.66)
  1. aModels adjusted for baseline age, sex, family household income, and baseline body composition measurement
  2. Sample size for each outcome may vary slightly due to missing data
  3. Bolded values p < 0.05