TABLE 2—
Distributions of Sociodemographic Variables by Smoking Status and Odds Ratios of Being an SD vs ED Smoker, From Binary Logistic Regressions
| Distribution | Odds Ratios | |||
| SD Smokers,a % (n = 6724) | ED Smokers, % (n = 29 336) | All SD vs All ED (95% CI) | SD vs ED Stable-Patternb(95% CI) | |
| Age, years | ||||
| 15–25 (reference) | 23.7 | 17.4 | . . . | . . . |
| 26–35 | 24.3 | 20.8 | 0.81** (0.73, 0.90) | 1.02 (0.83, 1.25) |
| 36–45 | 23.9 | 26.4 | 0.64** (0.58, 0.72) | 0.87 (0.70, 1.07) |
| 46–55 | 14.7 | 19.1 | 0.52** (0.46, 0.59) | 0.65** (0.52, 0.82) |
| > 55 | 13.3 | 16.3 | 0.64** (0.56, 0.73) | 0.74* (0.58, 0.94) |
| Sex | ||||
| Female (reference) | 46.0 | 47.0 | . . . | . . . |
| Male | 54.0 | 53.0 | 0.96 (0.91, 1.03) | 1.01 (0.91, 1.11) |
| Race | ||||
| White (reference) | 66.7 | 80.0 | . . . | . . . |
| Black | 14.5 | 10.9 | 1.84** (1.66, 2.04) | 2.56** (2.19, 3.00) |
| Hispanic | 14.4 | 5.9 | 3.28** (2.93, 3.67) | 5.55** (4.74, 6.48) |
| Asian/Pacific Islander | 2.9 | 2.0 | 1.30* (1.05, 1.61) | 1.56** (1.10, 2.21) |
| American Indian, Aleut, Eskimo | 1.4 | 1.2 | 1.60** (1.24, 2.05) | 2.25* (1.58, 3.21) |
| Education | ||||
| < High school graduate (reference) | 20.5 | 22.8 | . . . | . . . |
| High school graduate, GED, or equivalent | 33.3 | 41.4 | 1.07 (0.98, 1.17) | 1.15 (0.99, 1.34) |
| Some college or associate degree | 27.9 | 25.6 | 1.42** (1.28, 1.56) | 1.48** (1.26, 1.73) |
| Bachelor’s, master’s, or professional degree | 18.3 | 10.2 | 2.56** (2.28, 2.86) | 2.87** (2.40, 3.43) |
| Annual Household Income, $ | ||||
| < 25 000 (reference) | 37.7 | 39.8 | . . . | . . . |
| 25 000–49 999 | 30.5 | 34.2 | 1.01 (0.93, 1.09) | 0.93 (0.81, 1.06) |
| > 49 999 | 31.9 | 26.0 | 1.34** (1.23, 1.47) | 1.35** (1.18, 1.56) |
Note. SD = some-day; ED = every-day; CI = confidence interval; GED = general equivalency diploma.
aNumbers may not sum to 100 owing to rounding.
bAnalysis includes 2298 SD and 24 487 ED long-term stable-pattern smokers.
*P < .05; **P < .01. Results are 2-tailed.