Baseline equivalence between conditions for longitudinal sample (n=282)
| %, median, or mean (SD) | |||
|---|---|---|---|
| Variable | Intervention (n=132) | Comparison (n=150) | p Value |
| *χ2 Test. | |||
| †t Test or Mann-Whitney U test for two independent groups. | |||
| ‡Response categories included: 1 (0 cigarettes), 2 (<1 cigarette), 3 (1–5 cigarettes), 4 (6–10 cigarettes), 5 (11–15 cigarettes), 6 (16–20 cigarettes), 7 (21–25 cigarettes), 8 (26–30 cigarettes), 9 (31–35 cigarettes), 10 (36–40 cigarettes) and 11 (> 40 cigarettes on a typical day). | |||
| §Response categories included: 1 (immediately after waking), 2 (within 15 minutes of waking), 3 (15–30 minutes after waking), 4 (31–60 minutes after waking), 5 (61 minutes to 2 hours after waking), and 6 (>2 hours after waking). | |||
| CO, carbon monoxide. | |||
| Sociodemographic variables | |||
| Sex (% female) | 52 | 48 | 0.07* |
| Age in years (mean) | 43 (13.7) | 42 (12.2) | 0.39† |
| Marital status (% married) | 54 | 58 | 0.47* |
| Number of children in home (mean) | 1.6 (1.6) | 1.5 (1.5) | 0.52* |
| Income (median category) | $1100–1400 | $1100–1400 | 0.57† |
| Years of education (median category) | 9–11 years | 9–11 years | 0.41† |
| Place of birth (%) | 0.41† | ||
| Mexico | 77 | 75 | |
| USA | 16 | 17 | |
| Other | 7 | 7 | 0.93* |
| Acculturation score (mean) | 2.03 (.82) | 2.16 (.87) | 0.17† |
| Smoking related variables | |||
| Age started smoking (mean) | 16.3 (2.9) | 16.4 (2.9) | 0.32† |
| Number of years smoking (mean) | 26.8 (14.0) | 25.4 (12.4) | 0.36† |
| Amount smoked per day (mean category)‡ | 4.7 (1.6) | 5.1 (1.7) | 0.08† |
| Minutes to first cig of day (mean category)§ | 3.1 (1.9) | 3.0 (1.9) | 0.51† |
| CO concentration (mean ppm) | 11.5 (8.6) | 11.7 (8.1) | 0.81† |
| Number of recent quit attempts (mean) | 1.0 (1.5) | 1.1 (1.6) | 0.67† |
| Knowledge score (mean) | 10.7 (1.9) | 10.9 (1.9) | 0.82† |
| Self efficacy for quitting (mean) | 4.1 (1.1) | 4.0 (1.1) | 0.43† |