Table 1.
Characteristics of individuals and prevalence of smoking.
| Characteristic | n (%) | Ever smokers |
|||
|---|---|---|---|---|---|
| Prevalence (n) | Median (IQR) | P | |||
| Total | 337,484 | 152,482 | |||
| Sex | Women | 181,236 (53.7) | 40.4 (73,199) | 15 (10, 20) | <1.0E-300 |
| Men | 156,248 (46.3) | 50.8 (79,283) | 20 (15, 25) | ||
| Age (in years) | 39–49 | 73,849 (21.9) | 38.5 (28,394) | 15 (10, 20) | 9.54E-148 |
| 50–59 | 111,272 (33.0) | 43.3 (48,166) | 20 (10, 20) | ||
| 60–73 | 152,363 (45.2) | 49.8 (75,922) | 20 (10, 20) | ||
| BMI (kg/m2) | < 18.5 | 1673 (0.5) | 42.5 (711) | 15 (10, 20) | <1.0E-300 |
| 18.5 - 24.5 | 109,787 (32.5) | 40.3 (44,205) | 15 (10, 20) | ||
| 25 - 29.5 | 143,785 (42.6) | 46.6 (66,915) | 20 (10, 20) | ||
| >= 30 | 81,145 (24.1) | 49.4 (40,087) | 20 (15, 25) | ||
| Missing | 1094 (0.3) | 51.6 (564) | |||
| General health | Excellent | 56,531 (16.8) | 36.8 (20,794) | 15 (10, 20) | <1.0E-300 |
| Good | 197,169 (58.4) | 43.7 (86,145) | 16 (10, 20) | ||
| Fair | 68,621 (20.3) | 53.0 (36,351) | 20 (12, 20) | ||
| Poor | 13,983 (4.2) | 60.9 (8520) | 20 (15, 30) | ||
| Missing | 1180 (0.4) | 57.0 (672) | |||
Median and IQR (interquartile range) are considered for cigarettes smoked per day. P-values are generated from likelihood ratio test for models adjusted for age, sex, birth location and assessment centres.