Table 4

 Age-adjusted and sex-adjusted estimated annual rate of tuberculosis infection (95% CI) per 100 person-years (%), overall, before and after the implementation of the regional guidelines

Work activities and sitesOverall (%)Implementation of the regional guidelines
Before (%)After (%)
Occupation (work activity)
    Social workers0.61 (0.25–1.50)0.91 (0.43–1.91)0.30 (0.09–1.01)
    Clerical workers0.99 (0.57–1.74)1.33 (0.76–2.33)0.50 (0.25–1.00)
    Medical workers1.71 (1.43–2.04)2.46 (2.11–2.87)0.89 (0.59–1.37)
    Nursing workers1.67 (1.51–1.86)2.34 (2.05–2.68)0.92 (0.64–1.31)
Workplace
    Administrative services0.62 (0.11–3.39)0.85 (0.19–3.90)0.31 (0.04–2.55)
    Outpatient services1.40 (1.34–1.47)1.94 (1.62–2.32)0.78 (0.57–1.08)
    Medicine services1.29 (0.94–1.77)1.85 (1.29–2.64)0.74 (0.48–1.14)
    Infectious disease services2.62 (2.42–2.83)3.57 (3.10–4.12)1.33 (0.95–1.88)
    Surgery services2.22 (2.12–2.33)3.07 (2.57–3.66)1.20 (0.91–1.59)
    Laboratory services3.42 (2.59–4.51)4.22 (3.35–5.30)1.70 (0.96–3.02)
Overall1.56 (1.30–1.87)2.19 (1.81–2.56)0.84 (0.55–1.28)