Table 3

Sociodemographic and smoking characteristics of study participants by antiendomysial antibody (EMA) result

Odds ratio for positive EMA test (95% CI)
EMA−ve (n (%))EMA+ve (n (%))UnivariateMultivariate*
*Mutually adjusted for other variables in the table.
Sex
    Female4387 (59.0)57 (65.5)1.01.0
    Male3053 (41.0)30 (35.5)0.76 (0.49–1.18)0.83 (0.52–1.32)
Age group (y)
    <552794 (37.6)37 (42.5)1.01.0
    55–642280 (30.6)30 (34.5)0.99 (0.61–1.61)1.01 (0.62–1.65)
    ⩾652366 (31.8)20 (23.0)0.64 (0.37–1.10)0.67 (0.38–1.16)
Social class group
    Professional3573 (48.0)49 (56.3)1.01.0
    Skilled3011 (40.5)32 (34.5)0.78 (0.50–1.21)0.82 (0.52–1.29)
    Partly skilled and unskilled649 (8.7)4 (4.6)0.45 (0.16–1.25)0.51 (0.18–1.43)
    Missing values207 (2.8)2 (2.3)
Smoking status
    Never3371 (45.3)52 (59.8)1.01.0
    Ex3024 (40.6)30 (34.5)0.64 (0.41–1.01)0.71 (0.45–1.14)
    Current958 (12.9)5 (5.7)0.34 (0.14–0.85)0.36 (0.14–0.90)
    Missing values87 (1.2)0 (0)