[Demographic and social characteristics of patients with Crohn disease in an urban area. A study with neighborhood hospital controls].

120 patients with Crohn's disease were matched for age and sex with a control group out of the neighbourhood (NK) and a second control group out of the hospital (HK). In a personal interview the marital status, the educational attainment, the professional status and the status of invalidity were registered: Marital status, professional status and educational state were not different. Patients with Crohn's disease had higher qualification in medium school types (32,5% against 21,7% in NK and 23,3% in HK, p less than 0,05). Invalidity was significantly higher in Crohn's disease with 17,5% against, 3,3% in NK and 1,7% in KK (p less than 0,001).