Fig. 2From: The association between manual handling operations and pain in the hands and arms in the context of the 2018 BIBB/BAuA Employment SurveyRelative risk of self-reported of arm pain or complaints stratified by the self-reported frequency of manual handling operations Prevalence ratios presented for the unadjusted Model #1 and the adjusted regression Models #2 to #5 (reference category = “Never performs manual handling operations”)Back to article page