Table 3.
Association of changes in tuberculin skin test results after one year with characteristics of health workers in Kashan Hospital.
| characteristics | first TST |
Second TST |
TST diff |
P-value | ||||
|---|---|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | Mean | SD | |||
| Ward Level of Risk | Low | 1.56 | 1.94 | 1.61 | 1.98 | .05 | .29 | 0.939 |
| High | 1.21 | 1.36 | 1.26 | 1.24 | .05 | .40 | ||
| Scar | No | .75 | .97 | .75 | .97 | .00 | .00 | 0.580 |
| Yes | 1.64 | 1.99 | 1.69 | 2.01 | .05 | .32 | ||
| Age group | 15–24 | 1.47 | 1.88 | 1.49 | 1.88 | .02 | .34 | 0.772 |
| 25–49 | 1.62 | 2.08 | 1.67 | 2.10 | .05 | .28 | ||
| 50–70 | 1.45 | .93 | 1.55 | 1.04 | .09 | .30 | ||
| Sex | female | 1.42 | 2.02 | 1.49 | 2.09 | .07 | .34 | 0.352 |
| Male | 1.74 | 1.80 | 1.76 | 1.75 | .02 | .24 | ||
| Employment duration | <5 years | .95 | 1.47 | 1.10 | 1.48 | .14 | .36 | 0.710 |
| 5–14.9 | 1.37 | 2.31 | 1.44 | 2.38 | .07 | .38 | ||
| 15 and more | 1.71 | 2.02 | 1.76 | 2.05 | .06 | .24 | ||
| BCG | No | 1.50 | 2.12 | 1.50 | 2.12 | .00 | .00 | 0.828 |
| Yes | 1.55 | 1.94 | 1.60 | 1.96 | .05 | .30 | ||
| Tuberculosis Contact History |
No | 1.43 | 1.78 | 1.47 | 1.78 | .04 | .31 | 0.808 |
| Yes | 1.71 | 2.13 | 1.77 | 2.17 | .05 | .30 | ||
TST: Tuberculin Skin Test.