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Construct | Scale | Items | Response categories | Scoring | Cronbach alpha |
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Readiness to quit smoking | Stages of change: (1) thinking about quitting, (2) number of quit attempts. | 2 | Yes, within the next six months; and no, not thinking of quitting. The responses were none, one time, two times, three to five times, and six or more times. | Scoring 1–3. Report in next 6 months, in contemplation stage. Not thinking about quitting is contemplation stage. If trying to quit, they are in the action stage. | n/a |
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Nicotine dependence | Fagerström Test for Nicotine Dependence (FTND). | 6 | Multiple choice and dichotomous | Scores: 0–2/very low; 3-4/low, 5/medium, 6-7/high, 8–10/very high. | .61 |
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Depressive symptoms | Center for Epidemiologic Studies of Depressive Symptoms Scale (CES-D). Used to measure severity of depression in general population. | 20 | 1 (rarely) to 4 (most all of the time). Inquiring about the degree of occurrence during the last week. | Cut-off scores Scores < 16 categorized participants as not at high risk for depressive symptoms. Scores > 16 indicated that the participants were reporting high levels of depressive symptoms. | .78 |
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Alcohol use | Do you currently drink alcoholic beverages? | 1 | Four responses: (1) yes, heavily and/or frequently, (2) yes, moderately and/or rarely, (3) no, (4) I would rather not answer. | Scoring 1–4. | n/a |
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