Variable | TBI prevalence# | OR (95% CI)¶ | p-value+ |
Supermarket visits | |||
<1 per month | 70/4148 (1.7) | ||
<1 per week, >1 per month | 65/3149 (2.1) | 1.2 (0.9–1.7) | |
1 per week | 98/3352 (2.9) | 1.6 (1.2–2.2) | |
≥2 per week | 107/2694 (4.0) | 2.1 (1.6–2.9) | <0.001§ |
Sex | |||
Female | 212/7542 (2.8) | ||
Male | 144/6142 (2.3) | 0.9 (0.7–1.1) | 0.431 |
Age yrs | |||
<5 | 31/1143 (2.7) | ||
5–14 | 18/2140 (0.8) | 0.3 (0.2–0.6) | |
15–24 | 34/2062 (1.7) | 0.6 (0.4–1.0) | |
25–34 | 54/2519 (2.1) | 0.8 (0.5–1.3) | |
35–44 | 81/2771 (2.9) | 1.0 (0.6–1.6) | |
45–54 | 86/2260 (3.8) | 1.2 (0.8–2.0) | |
55–64 | 55/1075 (5.1) | 1.7 (1.1–2.8) | <0.001 |
Immunocompromising condition | |||
No | 342/13524 (2.4) | ||
Yes | 11/191 (5.8) | 2.0 (1.0–3.7) | 0.054 |
Country of birth | |||
The Netherlands | 338/13355 (2.5) | ||
Outside the Netherlands | 18/424 (4.3) | 1.5 (0.9–2.5) | 0.168 |
#: number of subjects with TBI/number with a tuberculin skin test result (%); ¶: odds ratio (OR) and confidence interval (CI) adjusted for other variables by logistic regression; +: p-values for log likelihood ratio test; §: p-value for trend.