Table 4.
Univariate Analysis of Predictors of Quitting Smoking (Quit Ratio) in Lifetime Smokers (N = 9216)‡‡
| Variable | Percentage Quit Smoking | P value | OR for Quit Smoking | 95% CI | P value |
|---|---|---|---|---|---|
| Race/Ethnicity | <.001 | ||||
| Caucasian | 52 | 1.0 | Reference | ||
| African American | 35 | 0.49 | 0.42, 0.56 | <.001 | |
| Latino | 49 | 0.87 | 0.67, 1.12 | .27 | |
| Asian American | 54 | 1.06 | 0.72, 1.54 | .78 | |
| Gender | <.05 | ||||
| Female | 52 | 1.0 | Reference | ||
| Male | 49 | 0.91 | 0.84, 0.99 | <.05 | |
| Marital status | <.001 | ||||
| Not married | 36 | 1.0 | Reference | ||
| Married | 57 | 2.37 | 2.16, 2.60 | <.001 | |
| Employment status | <.001 | ||||
| Full-time | 49 | 1.0 | Reference | ||
| Part-time/homemaker/student | 59 | 1.46 | 1.31, 1.61 | <.001 | |
| Out of work/disabled/retired | 31 | 0.47 | 0.38, 0.58 | <.001 | |
| Ever used other tobacco products | .83 | ||||
| No | 51 | 1.0 | Reference | ||
| Yes | 50 | 0.99 | 0.91, 1.08 | .83 | |
| Time to first cigarette, when smoking the most | <.001 | ||||
| > 30 minutes after waking | 61 | 1.0 | Reference | ||
| ≤30 minutes after waking | 39 | 0.42 | 0.38, 0.45 | <.001 | |
| Cigarettes per day, when smoking the most§§ | na | 0.70 | 0.67, 0.73 | <.001 | |
| Age | na | 1.02 | 1.01, 1.02 | <.001 | |
| Age of smoking initiation | na | 0.99 | 0.98, 1.00 | .08 | |
| Time of transition to regular smoking | na | 1.02 | 1.00, 1.03 | .02 | |
| Education*** | na | 1.56 | 1.48, 1.63 | <.001 |
OR, odds ratio; CI, confidence interval; na, not applicable
‡‡
Percentages and Odds Ratios are unadjusted.
§§
Cigarettes per day treated as an ordinal variable.
***
Education treated as an ordinal variable.