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Geographical accessibility of community social services and incidence of self-harm
Ming Leung1, Chun Bong Chow2, Pak-Keung Patrick Ip3
1Princess Margaret Hospital, A&E Office, 1/F, Block H, Lai King Hill Road, Kwai Chung, NT, Hong Kong; Department of Paediatrics and Adolescent Medicine, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong.
Objective:
The study aimed to explore the association between area-based coverage of community services and the incidence of self-harm, which will provide an evaluation framework for the support of self-harm.
Methods:
Enhanced two-Step floating catchment area method was used to estimate the centersto- population ratio and geographical accessibility adjusted by a distance-decay function. Spearman's rank coefficient was used to examine the association between the self-harm rate and adjusted accessibility index.
Results:
There was a significant negative correlation between the accessibility index and selfharm rate in youth (rho = -0.87, P < 0.01) and older adults (rho = -0.87, P < 0.01). The survival curves showed no relationship between self-harm repetition and service accessibility in youth or older adults.
Conclusions:
The uneven spatial accessibility of community social service centers and the independence between spatial accessibility and self-harm highlights the need to explore personal barriers to community service utilization.
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