Table 2 Crude association of demographics, occupational factors and tuberculin skin test measurement (n = 209)
N | TST measurement (millimetres) | p-value | ||
|---|---|---|---|---|
Mean | SDa | |||
Sex | ||||
Male | 66 | 7.18 | 3.258 | 0.892 |
Female | 143 | 7.26 | 4.036 | |
Age | ||||
≤ 32 | 69 | 7.20 | 3.567 | 0.392 |
33–40 | 75 | 7.65 | 4.206 | 0.759 |
> 40 | 64 | 6.77 | 3.809 | 0.786 |
Current smoking | ||||
No | 201 | 7.24 | 3.735 | 0.934 |
Yes | 8 | 7.13 | 5.515 | |
Level of education | ||||
Primary | 36 | 7.64 | 4.001 | 0.313 |
Secondary | 152 | 7.30 | 3.697 | 0.877 |
Postsecondary | 21 | 6.10 | 4.158 | 0.302 |
Employment setting | ||||
Administrative | 38 | 6.87 | 3.699 | 0.795 |
Medical domain | 96 | 7.27 | 3.948 | 0.846 |
Surgical domain | 75 | 7.37 | 3.694 | 0.784 |
Occupational category | ||||
Administrative staff | 50 | 7.02 | 3.485 | 0.868 |
Orderly | 91 | 7.37 | 4.122 | 0.858 |
Nurse | 68 | 7.21 | 3.614 | 0.963 |
Working time, years | ||||
≤ 8 | 119 | 7.30 | 3.903 | 0.802 |
> 8 | 89 | 7.17 | 3.693 | |
BCG vaccination | ||||
No | 48 | 7.00 | 3.531 | 0.857 |
Yes | 128 | 7.12 | 3.960 | |
Perceived health status | ||||
Poor | 111 | 6.88 | 3.531 | 0.176 |
Good | 97 | 7.60 | 4.071 | |
Contact with TB patients at workplace | ||||
No | 87 | 6.85 | 3.572 | 0.218 |
Yes | 122 | 7.51 | 3.946 | |
Administrative control measures | ||||
No | 141 | 6.75 | 3.717 | 0.029 |
Yes | 57 | 8.04 | 3.722 | |
Immunosuppression | ||||
No | 177 | 7.35 | 3.792 | 0.301 |
Yes | 32 | 6.59 | 3.843 | |
Contact with TB patient at home | ||||
No | 164 | 7.30 | 3.882 | 0.641 |
Yes | 45 | 7.00 | 3.516 | |
People living at same house | ||||
≤ 6 | 115 | 7.06 | 4.111 | 0.466 |
> 6 | 94 | 7.45 | 3.391 | |
Co-worker TB positive | ||||
Yes | 154 | 7.28 | 3.897 | 0.969 |
No | 32 | 7.25 | 3.331 | |