Table 1. Baseline characteristics for intervention and control groups stratified, by weight group.
| Nonobese | Obese | ||||
|---|---|---|---|---|---|
|
|
|
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| Variable | Intervention (n=45) | Control (n=47) | Intervention (n=44) | Control (n=44) | p* |
| BMI, M (SD) | 24.5 (3.1) | 24.2 (2.8) | 35.4 (5.2) | 36.2 (5.7) | <.0001 |
| Age, M (SD) | 57.4 (6.2) | 57.4 (4.6) | 55.6 (5.5) | 55.7 (5.0) | .03 |
| Income, % | |||||
| <30,000 | 6.7 | 8.5 | 27.2 | 13.6 | .06 |
| 30,000–49,999 | 17.8 | 17.0 | 15.9 | 20.5 | |
| 50,000–74,999 | 26.7 | 25.5 | 27.3 | 31.8 | |
| 75,000–99,999 | 26.7 | 17.0 | 11.4 | 11.4 | |
| 100,000+ | 22.2 | 31.9 | 18.1 | 22.7 | |
| Education, % | |||||
| High school/GED | 6.7 | 2.1 | 15.9 | 20.5 | .02 |
| Some college/trade school | 22.2 | 29.8 | 31.8 | 18.1 | |
| College | 22.2 | 25.5 | 22.7 | 22.7 | |
| More than college | 48.9 | 42.6 | 29.6 | 38.6 | |
| Uninsured, % | 6.4 | 0 | 11.4 | 4.6 | .33** |
| Up to date for colonoscopy, % | 71.1 | 70.2 | 61.4 | 63.6 | .25 |
| Up to date for any screening, % | 75.6 | 74.5 | 65.9 | 65.9 | .17 |
| Physical activity, % | |||||
| Low | 26.8 | 23.9 | 45.5 | 40.9 | .03 |
| Medium | 43.9 | 34.8 | 34.1 | 40.9 | |
| High | 29.3 | 41.3 | 20.5 | 18.2 | |
| Self-reported | |||||
| health, % | |||||
| Excellent | 25.5 | 31.1 | 9.1 | 9.1 | .001 |
| Very good | 28.9 | 37.8 | 40.9 | 38.6 | |
| Pretty good | 19.1 | 26.7 | 31.8 | 40.9 | |
| Fair | 6.4 | 4.4 | 18.8 | 11.4 | |
| Comorbidities, % | |||||
| 0 | 37.8 | 40.4 | 13.6 | 20.5 | .002 |
| 1 | 33.3 | 29.8 | 29.6 | 27.3 | |
| 2 | 24.4 | 17.0 | 29.6 | 22.7 | |
| 3+ | 4.4 | 12.8 | 27.3 | 29.6 | |
| Currently trying to lose weight, % | 48.8 | 58.7 | 85.4 | 92.5 | <.0001 |
*
p for the difference between all obese and nonobese individuals calculated using chi-square tests.
**
Fisher's exact test used to account for small cell sizes.