Table 1.
Participant characteristics by HMO (blinded)
| Participant characteristic | Site 1 (n = 986) | Site 2 (n = 880) | Total (n = 1866) |
| Age (mean years) | 46.5 | 46.1 | 46.3 |
| Gender (women) | 59.4% | 59.6% | 59.5% |
| Racea | |||
| African-American | 3.2% | 19.7%7.4% | 11.0% |
| White | 84.2% | 72.9% | 78.9% |
| Other | 12.6% | 7.4% | 10.1% |
| Education | |||
| ≤ High schoolb | 35.2% | 37.3% | 36.2% |
| > High school | 64.8% | 62.7% | 63.8% |
| # cigarettes smoked/day (mean)a | 21.1 | 22.7 | 21.8 |
| Motivation (mean on 1-10 scale) | 8.3 | 8.3 | 8.3 |
| Self-efficacy (mean on 1-10 scale) | 7.3 | 7.4 | 7.4 |
aANOVA significant (P < .05) between HMOs
bThis category includes vocational training