Table 1.
Characteristics of workers.
| Characteristic | 1-BP exposed (n = 23) | Control (n = 23) |
|---|---|---|
| Age (years) | 36.2 ± 5.7a | 36.2 ± 5.2 |
| Height (cm) | 160.3 ± 6.6a | 158.8 ± 5.9 |
| Education | ||
| Elementary school | 4 | 4 |
| Junior high school | 19 | 12 |
| High school | 0 | 6 |
| University | 0 | 1 |
| Job duration (months) | 27 ± 31 | 168 ± 67 |
| Past job exposure to chemicals | 0 | 4b |
| Previous medical condition | 2c | 8d |
Data for age, height, and job duration are mean ± SD.
Other values are numbers of workers.
a
Not significantly different from the controls (paired t-test).
b
Includes formalin (2), ammonia (1), alkaline (1).
c
Includes cholecystitis (1), contraceptive use (1).
d
Includes anemia (2), gastritis (2), hysteromyoma (2), oophoritic cyst (1), cholecystitis (1), taking antihypertensive medications (1).