Spatio-temporal Analysis of Robberies in the Sekondi-Takoradi Metropolis of Ghana

Authors: Emmanuel Mensah*, University of Cape Coast, ISAAC OBENG EBU, University of Cape Coast
Topics: Urban Geography, Spatial Analysis & Modeling
Keywords: Crime Analysis,Hotspot Analysis,Robberies,Sekondi-Takoradi,Ghana
Session Type: Paper
Day: 4/4/2019
Start / End Time: 8:00 AM / 9:40 AM
Room: Washington 4, Marriott, Exhibition Level
Presentation File: No File Uploaded

This study analyzed the spatio-temporal patterns of robberies in the oil city of Sekondi-Takoradi, Ghana, due to increased concerns over crime rate. Data on robberies obtained from the Ghana Police Service for the period 2007 to 2015, were analyzed using SPSS and ArcGIS software to reveal temporal trends and track spatial clusters of robberies.
Robbery cases remained fairly stable between 2007 and 2009 but showed increases over 2-year periods (2009 to 2011 - 29% and 2012 to 2014 - 58%) interspersed by sharp declines in cases (2011 to 2012 (-47.4%) and 2014 to 2015 (-31.2 %). One-way ANOVA with Post hoc test, confirmed significant differences existed between the indicated years, Wilks’ Lambda = 0.45, F(8, 43) = 6.53, p < 0.05, multivariate partial eta squared = 0.55. Spatially, robberies cases were concentrated in the Central Business District of the metropolis, GiZscore >2.26, p<0.05. Spatial clustering did not occur in 2010 and 2013, but, in those years robbery cases escalated indicating that, policing effort is largely adhoc and only manages to disperse robbers from the CBD for only a year. In years where there was a reduction in absolute number of robbery cases there was still significant clustering of cases indicating the strength of the urban core to draw crime. High population to police ratio’s of about 976:1, inadequate logistical support and the attractiveness of the urban core as routine activity space, may account for the inability of the police to achieve sustained reduction in robberies within the Metropolis.

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