Table 2

Consultation prevalence by cases (n = 148) and controls (n = 524) 1996–2000.

Cases n (%)Controls n (%)ORa (95% CI)ORb (95% CI)
Cough39 (26)79 (15)2.0 (1.3 to 3.1)
Ear wax31 (21)78 (15)1.5 (1.0 to 2.4)
Gastrointestinal79 (53)127 (24)3.6 (2.5 to 5.2)3.3 (2.2 to 4.8)
Headache44 (30)51 (10)3.9 (2.5 to 6.2)3.7 (2.3 to 5.8)
Dizziness and neurological symptoms42 (28)73 (14)2.5 (1.6 to 3.8)2.3 (1.5 to 3.5)
Menstruation disorders (females only)18 (19)38 (11)1.9 (1.1 to 3.6)1.9 (1.0 to 3.6)
Anxiety or depression34 (23)71 (14)1.9 (1.2 to 3.0)1.7 (1.1 to 2.7)
Fatigue31 (21)34 (6)3.8 (2.3 to 6.5)3.5 (2.1 to 6.0)
  • a Unadjusted, controls are reference group.

  • b Adjusted for consultation for cough and ear wax, controls are reference group. OR = odds ratio.