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Table 3 Odds ratios of factors related to upper extremities musculoskeletal symptoms by multiple logistic regression (n =166)

From: Risk factors of work-related upper extremity musculoskeletal disorders in male cameramen

Factors   Neck Shoulder Arm/elbow Hand/wrist Upp. ext
Age 30-39 1.00 1.00 1.00 1.00 1.00
  40-49 0.86(0.01-1.23) 3.10(0.48-19.91) 1.10(0.10-12.85) 2.12(0.18-24.29) 3.56(0.66-19.32)
  ≥50 1.25(0.20-7.66) 3.80(0.59-24.50) 2.16(0.20-23.11) 4.44(0.41-47.7) 5.86(1.03-33.26)
BMI <25 1.00 1.00 1.00 1.00 1.00
  ≥25 2.12(0.38-11.81) 3.62(1.03-12.71) 4.38(0.82-23.50) 3.06(0.63-14.91) 3.26(1.28-13.53)
Working hours* <9 1.00 1.00 1.00 1.00 1.00
  ≥9 6.47(0.64-65.02) 1.41(0.39-5.15) 1.83(0.35-9.43) 3.30(0.52-21.16) 2.33(0.71-7.61)
Exercise YES 1.00 1.00 1.00 1.00 1.00
  No 2.77(0.40-19.05) 1.88(0.48-7.30) 2.16(0.37-12.72) 0.82(0.15-4.50) 2.37(1.24-12.59)
Burden N to M‡ 1.00 1.00 1.00 1.00 1.00
  Hard 6.30(0.54-73.74) 1.53(0.38-6.14) 0.58(0.13-9.26) 2.11(0.31-14.50) 1.63(0.46-5.81)
  Very hard 8.70(0.68-118.62) 9.29(1.72-51.78) 1.10(0.13-9.26) 3.67(0.43-31.32) 7.61(1.34-52.74)
Ergonomics Low risk 1.00 1.00 1.00 1.00 1.00
  High risk 7.98(0.75-84.88) 4.50(1.03-19.68) 0.92(0.18-4.71) 10.21(1.02-102.20) 4.82(1.29-16.06)
  1. *Working hours: hour Exercise Yes :> 3 times/week, >40 minutes/one time N to M: None to moderate.
  2. Age, BMI, working hours, exercise, physical burden, ergonomics are adjusted.