Variable | Adjust prevalence ratio | 95% CI | p-value | p-trend |
---|---|---|---|---|
Job category | ||||
Transport and helping | 1.00 | – | ||
Mining | 1.49 | 0.80–2.76 | 0.207 | |
Tunneling | 1.68 | 0.91–3.10 | 0.095 | |
Both tunneling and mining | 1.70 | 0.92–3.13 | 0.090 | |
Workplace ventilation | ||||
Well | 1.00 | – | ||
Poor | 1.26 | 1.03–1.52 | 0.022 | |
Days of every week of intake of fruits | ||||
< 1 | 1.00 | – | – | 0.033 |
1–3 | 0.82 | 0.66–1.03 | 0.089 | |
≥ 4 | 0.81 | 0.65–0.99 | 0.049 |