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
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) | |