From: Risk factors for lesions of the knee menisci among workers in South Korea’s national parks
Variables | Adjusteda | |||
---|---|---|---|---|
Model Ib | Model IIc | Model IIId | ||
OR (95 % CI) | OR (95 % CI) | OR (95 % CI) | ||
General characteristics | ||||
Sex | Male | 1 | 1 | 1 |
Female | 3.71 (0.48 ~ 28.66) | 3.80 (0.48 ~ 30.41) | 3.41 (0.42 ~ 27.58) | |
Age (year) | <45 | 1 | 1 | 1 |
≥45 | 0.82 (0.19 ~ 3.63) | 1.21 (0.46 ~ 3.17) | 1.28 (0.51 ~ 3.21) | |
BMI | <25 | 1 | 1 | 1 |
≥25 | 1.14 (0.49 ~ 2.67) | 1.26 (0.53 ~ 2.95) | 1.25 (0.53 ~ 2.94) | |
Smoking | Never or past | 1 | 1 | 1 |
Current | 0.71 (0.26 ~ 1.98) | 0.61 (0.21 ~ 1.74) | 0.60 (0.21 ~ 1.72) | |
Alcohol drinking | <1 times/week | 1 | 1 | 1 |
≥1 times/week | 0.99 (0.43 ~ 2.25) | 0.85 (0.36 ~ 1.99) | 0.90 (0.39 ~ 2.12) | |
Regular exercise | Once a week or more | 1 | 1 | 1 |
Less than once a week | 2.78 (0.71 ~ 10.85) | 2.76 (0.70 ~ 10.97) | 2.73 (0.70 ~ 10.64) | |
Previous exercise-related knee injury | No | 1 | 1 | 1 |
Yes | 1.00 (0.38 ~ 2.60) | 1.09 (0.41 ~ 2.89) | 1.03 (0.39 ~ 2.69) | |
Previous accident-related knee injury | No | 1 | 1 | 1 |
Yes | 1.92 (0.78 ~ 4.70) | 2.05 (0.83 ~ 5.06) | 1.95 (0.79 ~ 4.82) | |
Previous work-related knee injury | No | 1 | 1 | 1 |
Yes | 1.47 (0.64 ~ 3.38) | 1.59 (0.68 ~ 3.70) | 1.60 (0.69 ~ 3.74) | |
Previous knee pain | No | 1 | 1 | 1 |
Yes | 1.21 (0.43 ~ 3.44) | 1.21 (0.42 ~ 3.51) | 1.22 (0.42 ~ 3.52) | |
Past medical history | No | 1 | 1 | 1 |
Yes | 1.25 (0.45 ~ 3.46) | 1.09 (0.39 ~ 3.06) | 1.17 (0.42 ~ 3.24) | |
Occupational characteristics | ||||
Overtime labor | No | 1 | 1 | 1 |
Yes | 0.98 (0.34 ~ 2.83) | 1.02 (0.35 ~ 2.94) | 1.04 (0.36 ~ 3.03) | |
Holiday use | Yes | 1 | 1 | 1 |
No | 0.63 (0.08 ~ 4.75) | 0.56 (0.07 ~ 4.25) | 0.65 (0.08 ~ 5.26) | |
Physical burden of work | Low | 1 | 1 | 1 |
High | 0.80 (0.27 ~ 2.39) | 0.67 (0.21 ~ 2.16) | 0.66 (0.21 ~ 2.12) | |
Stair flight | No | 1 | 1 | 1 |
Yes | 2.36 (0.79 ~ 7.04) | 2.72 (0.90 ~ 8.26) | 2.49 (0.83 ~ 7.53) | |
Kneeling | No | 1 | 1 | 1 |
Yes | 0.82 (0.26 ~ 2.53) | 0.62 (0.21 ~ 2.16) | 0.59 (0.19 ~ 1.87) | |
The cumulative intensity of trekking | <17 years | 1 | ||
≥17 years | 2.81 (0.63 ~ 12.60) | |||
Low | 1 | 1 | ||
Medium | 1.79 (0.70 ~ 4.61) | 2.02 (0.80 ~ 5.11) | ||
High | 4.08 (1.00 ~ 16.61) | 5.84 (1.09 ~ 31.26) |