Table 3 Univariable and multivariable hazard ratios (HR) with 95% confidence intervals (CI) of hospitalization for ulnar nerve entrapment in subsample (N = 3833).

From: Work-related risk factors for ulnar nerve entrapment in the Northern Finland Birth Cohort of 1966

Characteristic N Cases Univariable Multivariable
HR 95% CI HR* 95% CI
Physically demanding work
No 2073 9 1   1  
Yes 1760 29 3.84 1.82–8.12 3.02 1.39–6.58
Lifting ≤ 15 kg
No 1583 9 1    
Yes 2250 29 1.27 1.08–4.80   
Lifting > 15 kg
No 2374 15 1    
Yes 1459 23 2.52 1.31–4.83   
Work requiring arm elevation
No 2666 16 1    
Yes 1167 22 3.19 1.67–6.07   
Work demanding repetitive movements
No 836 5 1    
Yes 2997 33 1.85 0.72–4.74   
Exposure to cold
None or light 3277 27     
Moderate or high 546 11     
Exposure to temperature changes
None or light 2572 15     
Moderate or high 1811 23     
Exposure to vibration to hands
None or light 3528 27    1  
Moderate or high 295 11    3.27 1.58–6.77
  1. *Adjusted for variables with P value ≤ 0.10.