Table 1.
Distribution of demographic factors in persons with CP, by alcohol etiology, smoking status
| Variable | All | Alcohol etiology | No alcohol etiology | P value | Never smoker | Past smoker | Current smoker | P value * |
|---|---|---|---|---|---|---|---|---|
| Number | 193 | 111 | 82 | 32 | 60 | 101 | ||
| Median (IQR) or N (%) | Median (IQR) or N (%) | Median (IQR) or N (%) | Median (IQR) or N (%) | Median (IQR) or N (%) | Median (IQR) or N (%) | |||
| Age at enrollment (years) | 52 (44, 59) | 52 (46, 57) | 54 (41, 64) | 0.3366 | 56 (43, 64) | 58 (47, 66) | 50 (43, 55) | 0.0001 |
| Age at CP diagnosis (years) | 49 (40, 57) | 47 (43, 54) | 52 (39, 60) | 0.1278 | 53 (39, 59) | 57 (49, 64) | 47 (40, 51) | 0.0001 |
| Current smoker at enrollment | 101 (52%) | 74 (66.7%) | 27 (32.9%) | <0.0001 | — | — | — | |
| Former smoker at enrollment | 60 (31%) | 27 (24.3%) | 33 (40.2%) | — | — | — | ||
| Smoking to alleviate pain | 20 (11%) | 11 (10%) | 9 (11%) | 0.7753 | 0 | 2 (3.5%) | 18 (18%) | 0.0014 |
| Average intensity of smoking (packs per day) | 0 (0, 1) | 1 (0, 1) | 0 (0, 1) | 0.0022 | 0 (0, 0) | 1 (0, 1) | 1 (0, 1) | <0.0001 |
| Highest BMI ever (kg/m2) | 29 (25.39, 33.66) | 28.73 (25.1, 33.75) | 29.15 (25.39) | 0.6516 | 30.34 (26.93, 35.23) | 30.87 (26.62, 33.91) | 28.13 (24.69, 32.77) | 0.0690 |
| BMI at enrollment (kg/m2) | 24.39 (21.71, 28) | 23.96 (20.77, 27.37) | 24.74 (22.24, 28.8) | 0.0963 | 27.32 (23.72, 31.1) | 25.37 (22.24, 29.35) | 23.29 (20.64, 26.11) | 0.0002 |
* P values for smoking refers to global Χ2 tests for difference in the distribution of covariates by smoking status.