Table 7.
Relationship between baseline conditions and weight change (kg) at 6 and 30 weeks
| Factor | Levels | N | Mean ± SD | Difference in means (95% CI)c |
P valuec |
|---|---|---|---|---|---|
| At 6 weeksa: | |||||
| Diabetes | Yes | 292 | -3.9 ± 2.7 | -0.11 (-0.72, 0.50) | 0.73 |
| No | 112 | -3.7 ± 2.5 | |||
| Hyperlipidemia | Yes | 243 | -3.8 ± 2.6 | -0.01 (-0.51, 0.54) | 0.96 |
| No | 161 | -3.8 ± 2.8 | |||
| Hypertension | Yes | 254 | -3.9 ± 2.7 | 0.04 (-0.49, 0.57) | 0.88 |
| No | 150 | -3.7 ± 2.6 | |||
| Metabolic syndrome | Yes | 234 | -4.3 ± 2.7 | -0.57 (-1.13, -0.01) | 0.048 |
| No | 164 | -3.2 ± 2.3 | |||
| Obesity (BMI > 30) | Yes | 324 | -4.2 ± 2.7 | -1.61 (-2.26, -0.95) | < 0.001 |
| No | 80 | -2.3 ± 1.9 | -0.64 (-1.24, -0.05) d | 0.033 | |
| At 30 weeksb: | |||||
| Diabetes | Yes | 176 | -6.4 ± 6.6 | 1.22 (-0.91, 3.35) | 0.26 |
| No | 67 | -7.7 ± 7.7 | |||
| Hyperlipidemia | Yes | 151 | -6.1 ± 6.7 | 1.51 (-0.36, 3.39) | 0.11 |
| No | 92 | -7.9 ± 7.0 | |||
| Hypertension | Yes | 155 | -6.7 ± 7.1 | 0.32 (-1.60, 2.22) | 0.74 |
| No | 88 | -6.9 ± 6.6 | |||
| Metabolic syndrome | Yes | 135 | -7.3 ± 8.1 | -0.69 (-2.63, 1.25) | 0.48 |
| No | 104 | -6.0 ± 4.9 | |||
| Obesity (BMI > 30) | Yes | 185 | -7.6 ± 7.4 | -3.69 (-5.86, -1.52) | < 0.001 |
| No | 58 | -4.2 ± 4.1 | -2.1 (-4.08, -0.12) d | 0.038 | |
a Multivariable model (N = 398) including all five conditions in table plus age, gender, payment options.
b Multivariable model (N = 239) including all five conditions in table plus age, gender, payment options.
c Multivariable model results; significant if P < 0.025; difference in mean change for "Yes" minus "No".
d Difference in mean percent change from baseline.