Table 1 Sample characteristics (n = 640)
Characteristic | Overall | Branded | Plain | Plain - no descriptor (n = 218) | Differences between groups |
|---|---|---|---|---|---|
(n = 640) | (n = 214) | (n = 208) | |||
Age | |||||
Mean | 22.4 | 22.4 | 22.4 | 22.4 | F = 0.1 |
SD = 2.4 | SD = 2.3 | SD = 2.4 | SD = 2.5 | p = 0.905 | |
Education level | |||||
Low | 21.9% (140) | 18.8% (40) | 21.6% (45) | 25.1% (55) | χ 2 = 3.3 |
Moderate | 48.3% (309) | 48.8% (104) | 50.5% (105) | 45.7% (100) | p = 0.512 |
High | 29.8% (191) | 32.4% (69) | 27.9% (58) | 29.2% (64) | |
Ethnicity* | |||||
White | 62.9% (401) | 54.7% (116) | 65.2% (135) | 68.5% (150) | χ 2 = 11.2 |
“Pardo” | 25.2% (161) | 32.5% (69) | 23.7% (49) | 19.6% (43) | p = 0.025 |
Other | 11.9% (76) | 12.7% (27) | 11.1% (23) | 11.9% (26) | |
Smoking status | |||||
Smoker | 28.4% (182) | 28.2% (60) | 27.9% (58) | 29.2% (64) | χ 2 = 0.1 |
Non-smoker | 71.6% (458) | 71.8% (153) | 72.1% (150) | 70.8% (155) | p = 0.949 |
Smoking frequency a | |||||
Daily | 39.0% (71) | 43.3% (26) | 41.4% (24) | 32.8% (21) | χ 2 = 2.0 |
Weekly | 24.2% (44) | 20.0% (12) | 24.1% (14) | 28.1% (18) | p = 0.732 |
Monthly | 36.8% (67) | 36.7% (22) | 34.5% (20) | 39.1% (25) | |
Cigarettes per day a | |||||
Mean | 10.8 | 9.8 | 10.5 | 12.3 | F = 0.6 |
SD = 7.6 | SD = 5.8 | SD = 8.8 | SD = 8.2 | p = 0.537 | |
Quit intentions a | |||||
Within the next month | 12.9% (18) | 16.7% (8) | 8.3% (4) | 14.0% (6) | χ 2 = 4.5 |
Within the next 6 months | 18.0% (25) | 14.6% (7) | 22.9% (11) | 16.3% (7) | p = 0.609 |
Sometime in the future | 53.2% (74) | 47.9% (23) | 58.3% (28) | 53.5% (23) | |
Not planning to quit | 15.8% (22) | 20.8% (10) | 10.4% (5) | 16.3% (7) | |