Study participants' baseline demographic, smoking and household characteristics
| Characteristics | Total (n=508), no. (%) or mean±SD | Intervention (n=258), no. (%) or mean±SD | Control (n=250), no. (%) or mean±SD | p Value |
|---|---|---|---|---|
| Female | 421 (82.9) | 223 (86.4) | 198 (79.2) | 0.003 |
| Race/ethnicity | ||||
| African-American | 331 (65.2) | 180 (69.8) | 151 (60.4) | |
| Latino | 61 (12.0) | 33 (12.8) | 28 (11.2) | |
| White | 96 (18.9) | 40 (15.5) | 56 (22.4) | |
| Other | 20 (3.9) | 5 (1.9) | 15 (6.0) | 0.03 |
| Employment | ||||
| Employed | 146 (28.7) | 69 (26.7) | 77 (30.8) | |
| Unemployed/homemaker/retired/disabled/other | 362 (71.3) | 189 (73.3) | 173 (69.2) | 0.31 |
| Income | ||||
| ≤US$10 000 | 252 (49.6) | 124 (48.1) | 128 (51.2) | |
| US$10 001–US$20 000 | 152 (29.9) | 82 (31.8) | 70 (28.0) | |
| US$20 001–US$35 000 | 65 (12.8) | 32 (12.4) | 33 (13.2) | |
| US$35 001–US$50 000 | 19 (3.7) | 11 (4.3) | 8 (3.2) | |
| ≥US$50 001 | 14 (2.8) | 7 (2.7) | 7 (2.8) | 0.52 |
| Missing | 6 (1.2) | 2 (0.7) | 4 (1.6) | |
| Education | ||||
| Less than/some high school | 109 (21.5) | 54 (20.9) | 55 (22.0) | |
| High school graduate/General education certificate | 213 (41.9) | 111 (43.0) | 102 (40.8) | |
| Vocational/technical school/some College | 161 (31.7) | 82 (31.8) | 79 (31.6) | |
| College graduate or higher | 25 (4.9) | 11 (4.3) | 14 (5.6) | 0.89 |
| Marital status | ||||
| Not married, living with partner | 114 (22.4) | 63 (24.4) | 51 (20.4) | |
| Married | 97 (19.1) | 43 (16.7) | 54 (21.6) | |
| Single | 296 (58.3) | 152 (58.9) | 144 (57.6) | 0.28 |
| Missing | 1 (0.2) | – | 1 (0.4) | |
| Age in years | 41.1±12.65 | 40.4±12.42 | 41.9±12.86 | 0.16 |
| Smoker | 362 (71.3) | 183 (70.9) | 179 (71.6) | 0.87 |
| Number of cigarettes per day* | 11.7±8.87 | 10.9±8.84 | 12.5±8.84 | 0.08 |
| Number of smokers in the home | ||||
| 1 | 388 (76.4) | 194(75.2) | 194 (77.6) | |
| 2 | 56 (11.0) | 32 (12.4) | 24 (9.6) | |
| ≥3 | 64 (12.6) | 32 (12.4) | 32 (12.8) | 0.53 |
| Number of non-smoking adults in the home | ||||
| 0 | 129 (25.4) | 66 (25.6) | 63 (25.2) | |
| 1 | 275 (54.1) | 134 (51.9) | 141 (56.4) | |
| ≥2 | 104 (20.5) | 58 (22.5) | 46 (18.4) | 0.55 |
| Age of children in the home (years) | ||||
| 5–18 | 181 (35.7) | 92 (35.6) | 89 (35.6) | 0.27 |
| 1–4 | 116 (22.8) | 63 (24.4) | 53 (21.2) | 0.28 |
| <1 | 50 (9.8) | 27 (10.5) | 23 (9.2) | 0.63 |
| No children <18 | 161 (31.7) | 76 (29.5) | 85 (34.0) | |
| Home smoking ban status | ||||
| Partial ban | 301 (59.3) | 148 (57.4) | 153 (61.2) | |
| No ban | 207 (40.7) | 110 (42.6) | 97 (38.8) | 0.38 |
Percentages may not total 100% because of rounding or refusal to answer.
*For 361 participants who were smokers at baseline.