Table 3 Odds ratios (OR) for the risk factors of developing TD.

Gender¹⁾

0.90 (0.77-1.05)

1.01 (0.80-1.28)

0.96 (0.80-1.15)

Age (years)^{2) 3)}

0.98 (0.98-0.99)

0.98 (0.97-1.00)

0.98 (0.98-0.99)

Weeks of stay³⁾

1.26 (1.20-1.33)

1.27 (1.17-1.37)

1.28 (1.21-1.35)

Visiting Friends and Relatives²⁾

1.62 (1.06-2.48)

1.41 (0.85-2.33)

Smoking¹⁾

1.11 (0.94-1.32)

1.06 (0.82-1.36)

Daily alcohol drinking¹⁾

0.94 (0.79-1.17)

1.01 (0.76-1.34)

Allergic asthma¹⁾

1.62 (1.11-2.38)

1.70 (0.95-3.07)

1.67 (1.10-2.54)

Psychiatric co-medication¹⁾

1.79 (1.05-3.08)

1.88 (0.94-3.75)

2.11 (1.17-3.80)

Diarrhoea pre-travel¹⁾

2.07 (1.65-2.59)

1.78 (1.31-2.43)

2.03 (1.59-2.54)

TD independent fever^{1) 4)}

8.64 (4.01-17.85)

5.72 (2.27-14.38)

6.56 (3.06-14.04)

Malaria chemoprophylaxis¹⁾

1.19 (0.98-1.44)

1.31 (1.00-1.72)

1.38 (1.12-1.70)

Consuming tap water abroad¹⁾

1.08 (0.82-1.41)

0.88 (0.62-1.25)

Self-reported adherence to "cook it, boil it, peel it or forget it" ¹⁾

0.91 (0.76-1.09)

1.00 (0.79-1.27)

Body Mass Index³⁾

1.01 (0.99-1.04)

1.05 (1.01-1.09)

1.04 (1.01-1.08)

Adverse life event pre-travel¹⁾

0.94 (0.72-1.22)

0.98 (0.66-1.46)

High stress level pre-travel¹⁾

1.11 (0.84-1.47)

0.94 (0.62-1.42)