Table 1.
Patient and control characteristics
| Controls N = 737 | MC1 N = 78 | MC2 N = 53 | IBS N = 68 | non-IBS N = 63 | |
|---|---|---|---|---|---|
|
Age at study (years) |
56.16 (50.47–62.36) |
62.73 (58.60–67.30) |
63.78 (59.98–66.67) |
62.68 (58.46–66.96) |
63.78 (59.64–67.18) |
|
Age groups (%) |
|
|
|
|
|
| 45-49 |
17.1 |
5.1 |
3.8 |
5.9 |
3.2 |
| 50-54 |
22.3 |
9.0 |
3.8 |
5.9 |
7.9 |
| 55-59 |
22.3 |
14.1 |
13.2 |
16.2 |
11.1 |
| 60-64 |
19.5 |
28.2 |
37.7 |
32.4 |
31.7 |
| 65-69 |
11.7 |
25.6 |
26.4 |
22.1 |
30.2 |
| 70-74 |
7.2 |
17.9 |
15.1 |
17.6 |
15.9 |
|
Smoking habits (%) |
|
|
|
|
|
| Never smoked |
42.3 |
30.8 |
22.6 |
22.1 |
33.3 |
| Stopped smoking |
29.9 |
29.5 |
47.2 |
30.9 |
42.9 |
| Current smokers |
27.8 |
39.7 |
30.2 |
47.1 |
23.8 |
|
Days of wine drinking/month (%) missing data |
6.8 |
3.8 |
7.5 |
2.9 |
7.9 |
| 0-2 |
49.5 |
46.2 |
37.7 |
41.2 |
44.4 |
| 3-4 |
15.2 |
10.3 |
15.1 |
16.2 |
7.9 |
| 5-7 |
12.3 |
7.7 |
9.4 |
8.8 |
7.9 |
| >7 |
16.1 |
32.1 |
30.2 |
30.9 |
31.7 |
|
Smoking- and alcohol habits (%) missing data |
0.3 |
3.8 |
3.8 |
2.9 |
4.8 |
| No use |
16.1 |
11.5 |
22.6 |
8.8 |
23.8 |
| Drinking |
55.8 |
47.4 |
45.3 |
42.6 |
50.8 |
| Smoking |
7.2 |
17.9 |
5.7 |
17.6 |
7.9 |
| Smoking and drinking |
20.6 |
19.2 |
22.6 |
27.9 |
12.7 |
|
BMI (kg/m
2
) missing (%) |
24.84 (22.55–27.79) 0 |
24.40 (21.50–28.20) 42.3 |
26.07 (24.06–29.66) 47.2 |
26.10 (23.35–29.93) 39.7 |
24.40(21.56–26.94) 49.2 |
|
Min of physical activity/week (%) missing |
2.2 |
25.6 |
30.2 |
25.0 |
30.2 |
| 0-223 |
25.0 |
35.9 |
30.2 |
36.8 |
30.2 |
| 224-385 |
24.0 |
16.7 |
18.9 |
13.2 |
22.2 |
| 386-585 |
24.6 |
10.3 |
11.3 |
11.8 |
9.5 |
| >585 |
24.3 |
11.5 |
9.4 |
13.2 |
7.9 |
|
Married women (%) |
61.9 |
57.7 |
58.5 |
57.4 |
58.7 |
|
Level of education (%) missing |
0 |
2.6 |
1.9 |
2.9 |
1.6 |
| ≤12 years at school |
76.1 |
62.8 |
75.5 |
67.6 |
68.3 |
| >12 years at school |
23.9 |
34.6 |
22.6 |
29.4 |
30.2 |
|
Employment (%) |
|
|
|
|
|
| Employed |
65.7 |
47.4 |
39.6 |
47.1 |
41.3 |
| Retired |
26.5 |
48.7 |
50.9 |
45.6 |
54.0 |
| Others* | 7.9 | 3.8 | 9.4 | 7.4 | 4.8 |
The values for smoking- and alcohol habits are based on the month prior to the completion of the study questionnaires. BMI = Body mass index, IBS = Irritable bowel syndrome, MC = Microscopic colitis. * = Includes housewives, students and unemployed. Values are given as median (interquartile range).