Variable | Total | Worked in TB ward | Did not work in TB ward | p-value |
---|---|---|---|---|
n = 1,313 | n = 69 | n = 1,244 | ||
 | n (%) | n (%) | n (%) |  |
Mean age in years (SD) (n = 1,281) | 40.1 (10.2) | 39.7 (8.8) | 40.1 (10.3) | 0.79* |
Range 20-70 | Range 25-62 | Range 20-70 | ||
Sex (n = 1,285) |  |  |  |  |
Female | 1,003 (78) | 57 (84) | 946 (78) | 0.24** |
Male | 282 (22) | 11 (16) | 271 (22) | Â |
Race (n = 1,307) |  |  |  |  |
African / black | 1264 (97) | 69 (100) | 1195 (97) | 0.48*** |
Asian | 22 (2) | 0 | 22 (2) | Â |
White | 18 (1) | 0 | 18 (1) | Â |
Coloured | 3 (0) | 0 | 3 (0) | Â |
Occupation^ (n = 1,307) |  |  |  |  |
Clinical staff | 717(55) | 56 (81) | 661 (53) | <0.01*** |
Support staff | 325 (25) | 6 (9) | 319 (26) | Â |
Administrative | 142 (11) | 4 (6) | 138 (11) | Â |
Paramedical | 123 (9) | 3 (4) | 120 (10) | Â |
Mean duration (years) working in hospital (n = 1,305) | 7.4 (7.2) | 7.2 (7.2) | 7.4 (7.2) | 0.82* |
Range 0-40 | Range 1-32 | Range 0-40 | ||
Wards where HCW worked†|  |  |  |  |
General ward | 261 (20) | 17 (25) | 244 (20) | 0.31** |
Pediatric ward | 103 (8) | 7 (10) | 96 (8) | 0.47** |
Maternity | 100 (8) | 3 (4) | 97 (8) | 0.48*** |
MDR-TB ward | 78 (6) | 6 (9) | 72 (6) | 0.32** |
Outpatient department | 101 (8) | 5 (7) | 96 (8) | 0.89** |
Primary health center | 106 (8) | 4 (6) | 102 (8) | 0.65*** |
Throughout hospital | 159 (12) | 1 (2) | 158 (13) | <0.01*** |
Casualty | 32 (2) | 4 (6) | 28 (2) | 0.08*** |
Number of wards HCW worked in | Â | Â | Â | Â |
> 1 ward | 201 (15) | 36 (52) | 165 (13) | <0.01** |
Diabetes | 56 (4) | 3 (4) | 53 (4) | 1.00*** |
HIV status | Â | Â | Â | Â |
HIV-negative | 260 (20) | 10 (15) | 250 (20) | 0.50** |
HIV-positive | 79 (6) | 5 (7) | 74 (6) | Â |
HIV status not recorded | 974 (74) | 54 (78) | 920 (74) | Â |
Previously treated for TB‡ (n = 1,000) | 93 (9) | 5 (8) | 88 (9) | 0.76** |
TB diagnosed between 1 January 2006 and 31 December 2010 | 112 (9) | 14 (20) | 98 (8) | <0.01** |
Pulmonary TB | 72 (64) | 10 (71) | 62 (63) | 0.74*** |
Extrapulmonary TB | 18 (16) | 1 (7) | 17 (17) | 0.59*** |
Drug-resistant TB | 14 (13) | 0 (0.0) | 14 (14) | 0.31*** |