Sample demographics by smoking pattern
| Total | NNDS | CNDS | χ2/t | ||
|---|---|---|---|---|---|
| Variable | N=1201 | N=297 | N=904 | p Value | |
| Race/ethnicity | |||||
| African-American | 401 (33.4) | 106 (35.7) | 295 (32.6) | 0.94 | 0.33 |
| Latino | 400 (33.3) | 100 (33.7) | 300 (33.2) | 0.02 | 0.88 |
| White | 400 (33.3) | 91 (30.6) | 309 (34.2) | 1.26 | 0.26 |
| Sex | |||||
| Male | 531 (44.2) | 135 (45.5) | 396 (43.8) | 0.25 | 0.62 |
| Female | 670 (55.8) | 162 (54.5) | 508 (56.2) | 0.25 | 0.62 |
| Age | 41.38 (12.4) | 39.81 (12.2) | 41.90 (12.4) | −2.53 | 0.01 |
| Education | |||||
| HS grad | 290 (24.1) | 72 (24.2) | 218 (24.1) | 0.00 | 0.97 |
| Some college | 434 (36.1) | 108 (36.4) | 326 (36.1) | 0.01 | 0.93 |
| College grad | 477 (39.7) | 117 (39.4) | 360 (39.8) | 0.02 | 0.90 |
| Household income/month | |||||
| <$1800 | 714 (59.5) | 179 (60.3) | 535 (59.2) | 0.11 | 0.74 |
| Years smoked cigarettes | 16.2 (13.3) | 12.7 (10.5) | 17.4 (14.0) | −5.29 | 0.00 |
| Years as a daily smoker | 4.0 (8.9) | 0.0 (0.0) | 5.3 (9.9) | −9.26 | 0.00 |
| Years as NDS | 11.4 (11.2) | 10.0 (9.5) | 11.9 (11.7) | −2.56 | 0.01 |
| Days smoked/30 days | 14.5 (5.9) | 13.1 (5.9) | 15.0 (5.9) | −4.78 | 0.00 |
| Cigarettes per day on days smoked | 5.4 (5.3) | 4.3 (3.9) | 5.8 (5.6) | −4.40 | 0.00 |
| Time to first cigarette | |||||
| <30 min | 460 (56.8) | 71 (23.9) | 389 (43.0) | 34.60 | 0.00 |
CNDS, converted non-daily smoker; HS, higher secondary; NNDS, native non-daily smoker.