Prevalence and impact of musculoskeletal pain in Japanese gastrointestinal endoscopists: A controlled study

Table 6 Univariate analysis of factors associated with pain in the hand and wrist in endoscopists

Characteristics	P value
Age (> 40 yr vs < 40 yr)	0.011
Sex (male vs female)	0.378
Dominant hand (left vs right)	0.098
Activity level (moderate/remarkable vs mild)	0.338
Height (> 168 cm vs < 168 cm)	0.796
Weight (> 66 kg vs < 66 kg)	0.642
Body mass index (> 25 kg/m2vs < 25 kg/m2)	0.61
Mean number of esophagogastroduodenoscopies per wk (> 15 vs < 15)	0.215
Mean number of colonoscopies per wk (> 6.7 vs < 6.7)	0.091
Do ERCP (yes vs no)	0.871
Do EUS (yes vs no)	0.969
Mean time performing endoscopic procedures per week (> 12 h vs < 6.7 h)	0.636
Use of height-adjustable examination table (no vs yes)	0.836
Position of monitor (other position vs directly in front of endoscopist, at eye level)	0.8
Manufacturer of endoscope primarily used (fujifilm vs olympus)	0.28

ERCP: Endoscopic retrograde cholangiopancreatography; EUS: Endoscopic ultrasonography.