Table 2.

Occupational risk factors for TB

General	Specific	LMIC References	High-income References
LTBI
Exposure	Years of work	44, 45, 47, 58, 80, 81, 82	37
	TB admissions	—	37
	Known TB contact	43, 58	18, 37, 83
Type of work	Health care/patient care	45, 84	83, 85
	Physicians	80, 86	37, 87
	Nurses	45, 80, 86	21, 37, 85, 88
	Respiratory therapists	58	85
	Trainees	—	18
Location of work	Medical ward	58, 81, 89	21, 88
	HIV ward/care	—	21
	Emergency	86	16
	Laboratory/pathology	86	88, 90
	TB ward/clinic	—	18
TB disease
Exposure	—	—	—
Type of work	Health care/patient care	—	49, 50, 53, 56
	Physicians	63, 68, 72, 73	51, 53, 55
	Nurses	61, 63, 67, 68, 70, 71, 72, 73	52, 53, 55
	Respiratory therapists	—	52
	Trainees	—	54
Location of work	Medical ward	58, 70, 72, 91	—
	TB ward/clinic	58, 59, 62, 66, 70, 72	—
	HIV ward/clinic	—	—
	Emergency	58, 70	—
	Laboratory/pathology	58, 63	—