Table 4.
Unadjusted and Adjusted Odds of Dropping Out of a Weight Loss Program or Losing Insufficient Weight, by Demographic, Clinical, and Psychosocial Factors
| Characteristic | Dropping Out of Weight Loss Program(n = 200) | Losing Insufficient Weight(n = 82) | ||
|---|---|---|---|---|
| Unadjusted Odds Ratio (95% Confidence Interval) | Adjusted Odds Ratio (95% Confidence Interval)a | Unadjusted Odds Ratio (95% Confidence Interval) | Adjusted Odds Ratio(95% Confidence Interval)a | |
| Age (10‐unit increase) | 0.52 (0.42, 0.65) | 0.56 (0.44, 0.72) | 0.74 (0.56, 0.98) | 0.95 (0.69, 1.31) |
| Weight (kg) at 1st Group Session (Week ‐16) | 0.99 (0.98, 1.00) | 0.99 (0.98, 1.00) | ||
| Non‐white vs. White race | 1.95 (1.32, 2.88) | 1.48 (0.97, 2.26) | 2.26 (1.35, 3.81) | 1.95 (1.12, 3.39) |
| Female | 1.70 (1.04, 2.78) | 1.04 (0.59, 1.81) | 2.32 (1.27, 4.23) | 1.88 (0.95, 3.69) |
| < High School Graduate vs High School Graduate | 0.83 (0.18, 3.74) | 1.36 (0.24, 7.55) | ||
| Current tobacco user | 2.32 (1.18, 4.57) | 2.29 (1.14, 4.60) | 1.18 (0.44, 3.19) | 1.15 (0.42, 3.16) |
| Past weight loss attempted | 1.29 (0.79, 2.10) | 1.09 (0.57, 2.12) | ||
| Lack of support person | 1.71 (0.97, 3.03) | 1.07 (0.47, 2.41) | ||
| Favorable expectations about weight loss | 1.15 (0.95, 1.40) | 1.12 (0.86, 1.45) | ||
| Self‐efficacy to initiate diet | 0.80 (0.50, 1.28) | 1.14 (0.62, 2.08) | ||
| Intentions to change diet | 0.89 (0.71, 1.11) | 0.80 (0.60, 1.07) | ||
| Autonomous motivation for eating healthy | 0.93 (0.70, 1.25) | 0.94 (0.64, 1.39) | ||
| Controlled motivation for eating healthy | 0.88, (0.78, 1.00) | 0.85 (0.72, 1.01) | ||
| Self‐efficacy to initiate physical activity | 1.11 (0.75, 1.65) | 0.66 (0.39, 1.12) | ||
| Intentions to engage in physical activity | 1.16 (0.98, 1.38) | 1.09 (0.87, 1.35) | ||
| Autonomous motivation for physical activity | 1.16 (0.90, 1.50) | 0.85 (0.65, 1.12) | ||
| Controlled motivation for physical activity | 0.91 (0.81, 1.03) | 0.96 (0.84, 1.09) | 0.81 (0.69, 0.96) | 0.84 (0.71, 0.99) |
a
Adjusted model includes only those characteristics statistically significant at the α = 0.05 level of significance in unadjusted analyses.