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Sociodemographic characteristics of 83 sawmill workers
| Variables | Mean (SD) | No. (%) | Median (IQR) |
|---|---|---|---|
| Age (year) | 48.6 (11.04) | ||
| Sex | |||
| Male | 57 (68.7) | ||
| Female | 26 (31.3) | ||
| Duration of working (year) | 10 (16) | ||
| Income per month (RM) | 423.84 (178.39) | 423.84 (178.39) | |
| Smoking | |||
| Smoker | 53 (63.9) | ||
| Non-smoker | 30 (36.1) | ||
| Level of education | |||
| No formal education | 17 (20.5) | ||
| Primary | 31 (37.3) | ||
| Secondary | 31 (37.3) | ||
| Upper six/certificate | 4 (4.8) |
