Prevalence of latent tuberculosis infection in healthcare workers at a hospital in Naples, Italy, a low-incidence country

Table 3 Multivariate analysis for demographic, epidemiological and occupational characteristics of the hospital personnel completing the study stratified for LTBI^a

Variable	OR	95% CI	p-value
Female vs Male	1.22	0.75–2.00	0.42
Age	1.02	0.98–1.07	0.35
Years of employment	0.97	0.94–1.01	0.18
Type of employment
• nursing vs medical	1.41	0.74–2.71	0.30
• laboratory vs medical	0.34	0.04–2.73	0.31
• other^b vs medical	1.72	0.33–8.95	0.52
Workplace
• surgery vs medical wards	1.23	0.71–2.13	0.46
• other^c vs medical wards	0.81	0.44–1.51	0.51

Abbreviations: LTBI latent tuberculosis infection, OR odds ratio, CI confidence interval
^aas diagnosed for TST⁺/QFT⁺ and QFT⁺-only participants
^bphysiotherapists, orderlies, ambulance drivers, maintenance workers
^cintensive care, clinical pathology, occupational medicine, audiology, radiology, microbiology

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