ArticleOccupational medicine (Oxford, England)2026
Factors influencing Purdue Pegboard test results among hand-arm vibration-exposed workers.
Article in Occupational medicine (Oxford, England), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundManual dexterity can be assessed using the Purdue Pegboard test (PPT) and used for staging of hand-arm vibration (HAV) syndrome.
aimsTo describe PPT results among HAV-exposed workers and investigate what factors influence the results.
methodsWe recruited workers from companies and an occupational medicine clinic in Sweden. They responded to a survey, underwent neurosensory testing and completed the PPT.
resultsThe study recruited 225 workers with a mean (SD) HAV exposure duration of 16.7 (13.4) years. The mean (SD) result of the PPT was 12.8 (2.1) pins for the dominant hand, 12.7 (1.9) pins for the non-dominant hand and 10.6 (1.9) pins for both hands. Older age was consistently associated with poorer results (P < 0.001). Male sex was associated with lower scores for the dominant hand (P = 0.020) but not the non-dominant hand (P = 0.269) or both hands (P = 0.218). Current smoking was associated with poorer results for the dominant hand (P = 0.003) and both hands (P = 0.025), but not the non-dominant hand (P = 0.803). Self-reported reduced manual dexterity was associated with lower scores for the dominant hand (P < 0.001) and both hands (P < 0.001) but not the non-dominant hand (P = 0.070). Reduced two-point discrimination was consistently associated with poorer PPT results (P < 0.001). Low grip strength was associated with lower scores for the non-dominant hand (P = 0.008) and both hands (P = 0.025), but not the dominant hand (P = 0.310).
conclusionsResearchers noted lower scores on the PPT among older workers, men and smokers. Self-reported reduced manual dexterity, reduced two-point discrimination and low grip strength were also associated with poorer results.
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