Table 3 Participants not smoking at last contact (%), by coaching mode
Directive | ND | Trends and significant effects | |
|---|---|---|---|
All participants | 26 | 30 | None |
Logistic regression model with Mode, Race, Income, Prior Quit, and interactions | 26 | 30 | Income (OR = 1.8); |
Prior Quit (OR = 1.6); | |||
Income x Race | |||
Subgroups related to primary hypothesis | |||
European-American (EA) | 26 | 30 | None |
African-American (AA) | 30 | 29 | |
Personal income <30 K | 27 | 23 | Above median income + ND > remainder (chi square, p = 0.03) |
Personal income >30 K | 25 | 35 | |
No prior quit attempts | 23 | 20 | Prior quit + ND > remainder (chi square, p = 0.03) |
At least one quit attempt | 27 | 34 | |
Income <30 K and AA race | 28 | 17 | Above median income > below (chi square, p = 0.014) |
Income >30 K and AA race | 40 | 52 | |
No prior quit or low income | 25 | 24 | Prior quit + above median income + ND > remainder (chi square, p = 0.004) |
Prior quit and high income | 26 | 40 | |
Subgroups by delay in coaching | |||
1 week wait for coaching | 30 | 24 | None |
2 week wait for coaching | 20 | 31 | |
3 week wait for coaching | 28 | 41 | |
4 + week wait for coaching | 29 | 27 | |
Worksite subgroups (incentives) | |||
Hospital (insurance discount) | 29 | 31 | None |
School (smoke-free campus) | 25 | 33 | |
Subgroups using smoking cessation treatments, among those with follow-up data | |||
No treatment | 43 | 40 | None |
Nicotine replacement | 37 | 47 | None |
Bupropion | 40 | 43 | None |
Varenicline | 35 | 48 | None |
Auricular therapy | 21 | 38 | None |
Hypnosis | 8 | 37 | ND > Directive? (p = 0.06) |