medRxiv : the preprint server for health sciences · 2026
Development of an Inventory to Identify Psychosocial Factors Influencing Hand Usage: the CHUC.
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Soberano Téa, Chang Chih-Hung, Marcori Alexandre J, Philip Benjamin A
Аннотация
OBJECTIVE: To develop the first inventory to measure psychosocial concerns about use of the non-preferred hand, toward the long-term goal of identifying the casual factors of left-right hand choices ("hand usage").
DESIGN: Cross-sectional.
SETTING: Online question battery.
PARTICIPANTS: 181 healthy adults.
INTERVENTIONS: Not applicable.
MAIN OUTCOME MEASURES: Self-reported concerns about emotional and physical consequences of using the non-preferred hand.
RESULTS: Emotional and physical consequences reflected internally consistent categories (Cronbach's α > 0.9) that were moderately correlated with each other (ρ = 0.783 p = 0.002). Concerns were activity-dependent in each category (p < 1×10-100). Reliability analysis and principal components analysis were used to reduce the battery to the 51-item Changed Hand Usage Concerns inventory, which encompasses everyday tasks and concerns about physical and emotional consequences of using the non-preferred hand in those tasks.
CONCLUSIONS: Concerns about emotional vs. physical consequences of non-preferred hand use reflect coherent and internally consistent categories The Changed Hand Usage Concerns inventory allows assessment of psychosocial concerns about usage of the non-preferred hand for future attempts to manipulate hand usage via rehabilitation in patients with unilateral or asymmetric impairment.
DESIGN: Cross-sectional.
SETTING: Online question battery.
PARTICIPANTS: 181 healthy adults.
INTERVENTIONS: Not applicable.
MAIN OUTCOME MEASURES: Self-reported concerns about emotional and physical consequences of using the non-preferred hand.
RESULTS: Emotional and physical consequences reflected internally consistent categories (Cronbach's α > 0.9) that were moderately correlated with each other (ρ = 0.783 p = 0.002). Concerns were activity-dependent in each category (p < 1×10-100). Reliability analysis and principal components analysis were used to reduce the battery to the 51-item Changed Hand Usage Concerns inventory, which encompasses everyday tasks and concerns about physical and emotional consequences of using the non-preferred hand in those tasks.
CONCLUSIONS: Concerns about emotional vs. physical consequences of non-preferred hand use reflect coherent and internally consistent categories The Changed Hand Usage Concerns inventory allows assessment of psychosocial concerns about usage of the non-preferred hand for future attempts to manipulate hand usage via rehabilitation in patients with unilateral or asymmetric impairment.