Table 1.
Socio-demographic data for IBS cases (n = 347) and sex and age-matched controls (n = 1,041) and all controls (n = 2,727).
| IBS cases n = 347 | Matched control group n = 1,041 | All controls n = 2,727 | ||||
|---|---|---|---|---|---|---|
| n | % | n | % | n | % | |
|
Sex: Male Female |
96 251 |
27.7 72.3 |
288 753 |
27.7 72.3 |
1,309 1,418 |
48.0 52.0*** |
|
Age groups: 15 to 24 25 to 44 45 to 64 |
36 147 164 |
10.4 42.4 47.3 |
108 441 492 |
10.4 42.4 47.3 |
428 1,167 1,132 |
15.7 42.8 41.5 |
|
Civil status: Living alone Married/cohabitant Divorced Widow/widower |
56 258 26 4 |
16.3 75.0 7.6 1.2 |
160 787 65 18 |
15.5 76.4 6.3 1.7 |
528 1,989 153 31 |
19.5 73.6 5.7 1.1 |
|
Educational level: Primary school (low) Secondary school Upper secondary school University college or university (high) |
57 60 80 146 |
16.6 17.5 23.3 42.6 |
149 200 229 453 |
14.5 19.4 22.2 43.9 |
362 524 701 1,115 |
13.4 19.4 25.9 41.3 |
***
p < 0.0001 compared to cases and matched controls.