From: Factors associated with the prevalence of back pain and work absence in shipyard workers
 |  | Existence of pain | Absence from work | ||
---|---|---|---|---|---|
n = 175 | n = 132 | ||||
 | Frequency (%) | OR ICC95% | P value | OR ICC95% | P value |
・Often work outdoors | 27.4 | 1.118 0.692–1.807 | 0.648 | 1.567 0.963–2.549 | 0.070 |
・Work on unstable floor | 31.4 | 1.131 0.677–1.890 | 0.639 | 0.998 0.586–1.700 | 0.995 |
・Expose to significant trembling, vibration, or impact | 17.6 | 1.115 0.629–1.974 | 0.710 | 0.595 0.322–1.098 | 0.097 |
・Often work in a noisy environment | 60.1 | 1.252 0.776–2.019 | 0.357 | 0.840 0.506–1.393 | 0.499 |
・Work in narrow space | 18.9 | 1.912 1.094–3.343 | 0.023 | 1.359 0.775–2.381 | 0.284 |
・Use fire at work | 43.6 | 1.637 1.017–2.634 | 0.042 | 2.116 1.285–3.485 | 0.003 |