TABLE 1—
National Estimates (With 95% Confidence Intervals) for Cigarette Smoking: 1997 NHIS and BRFSS
| Ever Smoked, % | Current Smoking, % | Average No. of Cigarettes per Day: Daily Smokers | Average No. of Cigarettes per Day: Nondaily Smokers | |||||
| NHIS | BRFSS | NHIS | BRFSS | NHIS | BRFSS | NHIS | BRFSS | |
| Overall | 47.6 (47.0, 48.2) | 46.9 (46.5, 47.4) | 24.7 (24.2, 25.3)a | 23.1 (22.7, 23.4) | 19.1 (18.8, 19.4)a | 18.6 (18.4, 18.8) | 5.7 (5.4, 6.0) | 5.9 (5.6, 6.1) |
| Age, y | ||||||||
| 18–34 | 38.1 (36.9, 39.3) | 38.1 (37.3, 38.9) | 28.0 (26.9, 29.1) | 26.7 (26.0, 27.4) | 16.6 (16.2, 17.0) | 16.3 (16.0, 16.6) | 5.2 (4.8, 5.6) | 5.2 (4.8, 5.6) |
| 35–54 | 51.5 (50.5, 52.5) | 50.6 (49.9, 51.3) | 28.2 (27.3, 29.1)a | 26.4 (25.8, 27.0) | 20.8 (20.3, 21.3)a | 20.0 (19.7, 20.3) | 5.8 (5.3, 6.3) | 6.2 (5.8, 6.6) |
| ≥ 55 | 53.4 (52.3, 54.5) | 52.1 (51.4, 52.8) | 15.8 (15.1, 16.5) | 14.7 (14.2, 15.2) | 19.7 (19.0, 20.4) | 19.6 (19.1, 20.1) | 7.0 (5.8, 8.2) | 6.8 (6.1, 7.5) |
| Gender | ||||||||
| Male | 54.6 (53.7, 55.5) | 53.6 (53.0, 54.2) | 27.6 (26.7, 28.5)a | 25.7 (25.1, 26.3) | 20.7 (20.3, 21.1)a | 19.9 (19.6, 20.2) | 6.1 (5.6, 6.6) | 6.0 (5.6, 6.4) |
| Female | 41.1 (40.3, 41.9) | 40.8 (40.3, 41.3) | 22.1 (21.4, 22.8)a | 20.7 (20.3, 21.1) | 17.2 (16.8, 17.6) | 17.0 (16.8, 17.2) | 5.2 (4.7, 5.7) | 5.7 (5.3, 6.1) |
| Race/ethnicity | ||||||||
| White | 50.9 (50.1, 51.6) | 50.0 (49.5, 51.6) | 25.3 (24.6, 26.0)a | 23.7 (23.3, 24.1) | 20.5 (20.1, 20.8)a | 19.6 (19.4, 19.8) | 5.9 (5.5, 6.4) | 6.3 (5.9, 6.6) |
| Black | 40.5 (38.7, 42.2)a | 37.4 (36.1, 38.7) | 26.8 (25.3, 28.3)a | 22.7 (21.6, 23.9) | 14.0 (13.3, 14.6) | 13.9 (13.3, 14.6) | 5.8 (5.2, 6.5) | 6.2 (5.6, 6.9) |
| Hispanic | 35.4 (33.9, 36.7) | 38.2 (36.5, 40.0) | 20.4 (19.1, 21.6) | 20.2 (18.8, 21.7) | 13.0 (12.2, 13.8) | 13.1 (12.2, 13.9) | 4.3 (3.7, 4.9) | 4.1 (3.5, 4.7) |
| Education level | ||||||||
| Less than high school | 53.7 (52.3, 55.1) | 54.2 (53.0, 55.4) | 30.9 (29.6, 32.2) | 29.8 (28.7, 30.9) | 19.7 (19.0, 20.4) | 19.1 (18.6, 19.6) | 5.9 (5.0, 6.8) | 6.4 (5.6, 7.2) |
| High school or some college | 50.2 (49.4, 51.0) | 49.5 (49.0, 50.0) | 27.7 (27.0, 28.4)a | 26.0 (25.5, 26.5) | 19.0 (18.7, 19.3) | 18.6 (17.0, 20.2) | 5.9 (5.5, 6.3) | 6.0 (5.6, 7.4) |
| College | 35.7 (34.5, 36.9) | 37.3 (36.5, 38.1) | 11.8 (11.0, 12.6) | 12.8 (12.3, 13.3) | 18.0 (17.1, 18.9) | 17.5 (17.0, 18.0) | 4.6 (4.0, 5.2) | 5.1 (4.6, 5.6) |
aSignificant difference from BRFSS, based on 99% confidence interval from the 2-sample t test not containing the null value.