Lifetime and current tobacco use by sex with combined grades: 1999 Massachusetts Prevalence Study with comparison to 1996
| Grades 7–8, female | Grades 7–8, male | Grades 9–12, female | Grades 9–12, male | |||||
|---|---|---|---|---|---|---|---|---|
| 1996 (n=995) | 1999 (n=1146) | 1996 (n=1051) | 1999 (n=1122) | 1996 (n=1895) | 1999 (n=1759) | 1996 (n=1738) | 1999 (n=1564) | |
| Cell entries are percentages of students reporting use. Numbers in parentheses are 95% confidence intervals. | ||||||||
| *Significant difference between 1996 and 1999 at p<0.05 (design adjusted χ2). | ||||||||
| **Significant difference between 1996 and 1999 at p<0.01 (design adjusted χ2). | ||||||||
| †Used at least once in lifetime. | ||||||||
| ‡Used at least once in 30 days before survey. | ||||||||
| Lifetime† | ||||||||
| Cigarettes | 33.6 | 21.9** | 34.4 | 25.5** | 57.4 | 50.7* | 53.2 | 53.2 |
| (27.6 to 40.1) | (18.9 to 25.2) | (29.1 to 40.2) | (22.3 to 29.0) | (53.5 to 61.1) | (47.3 to 54.1) | (49.5 to 57.0) | (50.2 to 56.2) | |
| Smokeless tobacco | 2.9 | 2.2 | 14.5 | 6.7** | 7.3 | 3.7** | 34.0 | 23.1** |
| (1.4 to 5.9) | (1.5 to 3.2) | (9.9 to 20.6) | (5.2 to 8.5) | (5.3 to 10.0) | (2.7 to 5.2) | (30.1 to 38.1) | (19.8 to 26.8) | |
| Cigars | 17.9 | 12.1** | 26.4 | 22.1 | 26.8 | 24.8 | 52.4 | 51.7 |
| (15.3 to 20.8) | (10.1 to 14.6) | (21.8 to 31.6) | (18.9 to 25.8) | (23.1 to 30.9) | (22.5 to 27.1) | (49.0 to 55.8) | (48.3 to 55.1) | |
| Current‡ | ||||||||
| Cigarettes | 23.1 | 13.9** | 19.0 | 11.1** | 36.5 | 29.2** | 34.5 | 30.4 |
| (15.3 to 20.8) | (10.1 to 14.6) | (14.6 to 24.5) | (8.5 to 14.4) | (33.1 to 40.1) | (26.1 to 32.5) | (30.8 to 38.4) | (27.2 to 33.7) | |
| Smokeless tobacco | 0.5 | 0.7 | 4.1 | 1. 9* | 0.9 | 0.5 | 10.5 | 6.2** |
| (0.2 to 1.3) | (0.4 to 1.5) | (2.5 to 6.4) | (1.2 to 3.2) | (0.4 to 2.0) | (0.3 to 1.1) | (8.8 to 12.6) | (4.6 to 8.3) | |
| Cigars | 6.4 | 2.4** | 8.6 | 5.8 | 6.2 | 4.2* | 23.4 | 18.5* |
| (4.1 to 9.8) | (1.7 to 3.5) | (5.3 to 13.8) | (4.3 to 7.7) | (4.6 to 8.2) | (3.3 to 5.4) | (20.1 to 27.1) | (16.4 to 20.8) | |