Table 3

Logistic regression model in which the prevalence of autoimmune (AI) disorders was set as the dependent variable: older age and delayed diagnosis of coeliac disease yielded an increased risk for developing AI diseases while “actual duration of gluten exposure” (see text) appeared to reduce this risk. None of the other clinical-epidemiological features reached statistical significance. Column A: dermatitis herpetiformis included as AI disease; column B: dermatitis herpetiformis regarded as not an AI condition

Variablep ValueOdds ratio
Present age0.00230.071.0731.05
Age at diagnosis of coeliac disease0.0010.00041.151.18
Actual duration of exposure to gluten0.00010.0010.820.82