Table 1 Demographic, lifestyle and exhaled CO profile of included subjects
From: Smoking practices in relation to exhaled carbon monoxide in an occupational cohort
Subject Characteristics | Overall | Men | Women | p |
|---|---|---|---|---|
All subjects, N (%) | 842 (100) | 787 (93.5) | 55 (6.5) | – |
Age, years, median (IQR) | 28 (25;36) | 28 (25;36) | 36 (28;40) | < 0.001 |
Height, cm, median (IQR) | 175 (170;179) | 175 (171;179) | 164 (161;169) | < 0.001 |
Urban residence, N (%) | 429 (51) | 389 (49) | 40 (73) | < 0.001 |
Work duration, years, median (IQR) | 6 (3;14) | 5 (3;13) | 12 (5;18) | < 0.001 |
Years in first response, median (IQR) | 3 (1;7.25) | 3 (1;8) | 0 (0;0) | < 0.001 |
Smoking status | ||||
Never smokers, N (%) | 282 (34) | 247 (31) | 35 (64) | < 0.001 |
Ex-smokers, N (%) | 222 (26) | 210 (27) | 12 (22) | |
Current smokers, N (%) | 338 (40) | 330 (42) | 8 (14) | |
Waterpipe smokers, N (%) | 11 (1) | 11 (1) | 0 (0) | 0.38 |
Exposed to SHS, N (%) | 783 (93) | 738 (94) | 45 (82) | < 0.001 |
Fossil fuel users for heating, N (%) | 236 (28) | 232 (29) | 4 (7) | < 0.001 |
Biomass fuel users for cooking, N (%) | 34 (4) | 34 (4) | 0 (0) | 0.12 |
Walking 6 km daily, N (%) | 458 (54) | 437 (52) | 21 (38) | < 0.05 |
Exercising 3 times a week, N (%) | 538 (64) | 523 (66) | 15 (27) | < 0.001 |
Exhaled CO, ppm, median (IQR) | 4 (2;8) | 4 (3;8) | 2 (2;3) | < 0.001 |