Table 5.
Basal characteristics depending on smoking habits
|
Never smoking N = 41 |
Past smoking N = 64 |
Present smoking N = 53 |
P-value | |
|---|---|---|---|---|
| Age (years) | 64.9 (57.1–69.8) | 65.3 (60.8–69.3) | 60.0 (54.2–64.0) | < 0.001 |
|
BMI (kg/m2) Missing value |
25.8 (24.1–29.9) | 24.8 (23.0–28.7) | 24.1 (21.7–26.6) | 0.164 |
| Refractory MC | 27 (65.9) | 26 (40.6) | 35 (66.0) | 0.007 |
| CC/LC | 23 (56.1)/18 (43.9) | 36 (56.3)/28 (43.8) | 33 (62.3)/20 (37.7) | 0.788 |
| IBS | 19 (46.3) | 31 (48.4) | 37 (69.8) | 0.030 |
|
Disease duration (years) Missing value |
7.0 (3.0–12.0) 5 |
6 (3.0–11.0) 4 |
10.0 (6.0–21.0) 6 |
0.021 |
|
University education Missing value |
16 (39.0) 1 |
17 (26.6) 1 |
21 (3.8) 2 |
0.397 |
| Occupation | 0.035 | |||
| Employed | 16 (39.0) | 25 (39.1) | 29 (54.7) | |
| Retired | 24 (58.5) | 37 (57.8) | 18 (34.0) | |
| Others | 1 (2.4) | 2 (3.1) | 6 (11.3) | |
|
Married/living together Missing value |
28 (68.3) | 39 (60.9) |
22 (41.5) 1 |
0.031 |
|
Snuff user Missing value |
1 (2.4) 3 |
3 (4.7) 1 |
0 | 0.363 |
|
Nicotine chewing gum Missing value |
0 2 |
4 (6.3) 1 |
10 (18.9) | 0.005 |
|
The number of days drinking/month Missing value |
4 (1–8) 11 |
6 (3–10) 14 |
4 (0–9) 16 |
0.088 |
| Number of standard glasses each day of drinking | 0.107 | |||
| Never drinking | 3 (7.3) | 3 (4.7) | 9 (17.0) | |
| 1 | 7 (17.1) | 5 (7.8) | 5 (9.4) | |
| 2 | 13 (31.7) | 25 (39.1) | 12 (22.6) | |
| 3 | 1 (2.4) | 7 (10.9) | 4 (7.5) | |
| 4 | 1 (2.4) | 3 (4.7) | 1 (1.9) | |
| ≥ 5 | 1 (1.6) | 1 (1.9) | ||
| Missing value | 16 | 20 | 21 |
BMI body mass index, CC collagenous colitis, IBS irritable bowel syndrome, LC lymphocytic colitis, MC microscopic colitis. Values are given as number and percentage and median and interquartile range. Kruskal–Wallis test and Fisher´s exact test. P ≤ 0.05 was considered statistically significant