The effects of crime generators, crime attractors, and offender anchor points on the distribution of street robberies across the nearly 25,000 census blocks of Chicago are examined. The analysis includes a wide array of activities and facilities that are expected to attract criminals and generate crime. These include a variety of legal and illegal businesses and infrastructural accessibility facilitators. In addition to these crime attractors and generators, the role of the presence of motivated offenders' anchor points, as measured by offenders' residence and gang activity, is assessed. The analysis
Why do robbers choose a particular area to commit an offense? Do they rob close to home? Do they search for areas with suitable and attractive targets? What keeps them away from certain areas? To answer these questions, a model is developed of how robbers choose target areas. The model draws on various theoretical and empirical traditions, which include environmental criminology, journey to crime research, gang research, and social disorganization theory. Testing the model on cleared robbery cases in Chicago in the years 1996–1998, we demonstrate that robbery location choice is related to characteristics of target areas, to areas where offenders live, to joint characteristics of the resident and target areas, and to characteristics of the offenders themselves. The presence of illegal markets and other crime generators and crime attractors make areas attractive for robbers, whereas collective efficacy seems to keep them out. Distance as well as racial and ethnic segregation restrict the mobility of offenders.
Objectives To (a) examine the relationships among objective and perceived indicators of neighborhood environment, racial discrimination, psychological distress, and gestational age at birth; (b) determine if neighborhood environment and racial discrimination predicted psychological distress; (c) determine if neighborhood environment, racial discrimination, and psychological distress predicted preterm birth; and (d) determine if psychological distress mediated the effects of neighborhood environment and racial discrimination on preterm birth. Design Descriptive correlational comparative. Setting Postpartum unit of a medical center in Chicago. Participants African American women (n1 = 33 with preterm birth; n2 = 39 with full-term birth). Methods Women completed the instruments 24 to 72 hours after birth. Objective measures of the neighborhood were derived using geographic information systems (GIS). Results Women who reported higher levels of perceived social and physical disorder and perceived crime also reported higher levels of psychological distress. Women who reported more experiences of racial discrimination also had higher levels of psychological distress. Objective social disorder and perceived crime predicted psychological distress. Objective physical disorder and psychological distress predicted preterm birth. Psychological distress mediated the effect of objective social disorder and perceived crime on preterm birth. Conclusion Women’s neighborhood environments and racial discrimination were related to psychological distress, and these factors may increase the risk for preterm birth.
This article analyzes how street robbers decide on where to attack their victims. Using data on nearly 13,000 robberies, on the approximately 18,000 offenders involved in these robberies, and on the nearly 25,000 census blocks in the city of Chicago, we utilize the discrete choice framework to assess which criteria motivate the location decisions of street robbers. We demonstrate that they attack near their own homes, on easily accessible blocks, where legal and illegal cash economies are present, and that these effects spill over to adjacent blocks.
Objectives:This article examines the hypothesis that in street robbery location choices, the importance of location attributes is conditional on the time of day and on the day of the week.Method:The hypothesis is assessed by estimating and comparing separate discrete location choice models for each two-hour time block of the day and for each day of the week. The spatial units of analysis are census blocks. Their relevant attributes include presence of various legal and illegal cash economies, presence of high schools, measures of accessibility, and distance from the offender’s home.Results:The hypothesis is strongly rejected because for almost all census block attributes, their importance hardly depends on time of day or day of week. Only the effect of high schools in census blocks follows expectations, as its effect is only demonstrated at the times and on the days that schools are open.Conclusions:The results suggest that street robbers’ location choices are not as strongly driven by spatial variations in immediate opportunities as has been suggested in previous studies. Rather, street robbers seem to perpetrate in the environs of cash economies and transit hubs most of the time irrespective of how many potential victims are around.
Background:Crime may be a significant barrier to physical activity for urban African American women, yet few studies have examined this relationship in intervention studies. This study examines relationships among neighborhood crime incidents, perceptions of crime and safety, and adherence in a walking intervention among urban, midlife African-American women.Methods:The sample includes 148 women living in the City of Chicago. Violent crimes, disorder crimes, gun violence, and crime-related safety were examined. Adherence to walking frequency was measured as the percentage of recommended walks completed.Results:Controlling for demographic characteristics and treatment group, multivariate regression analyses showed walking adherence was not associated with any of the crime measures or crime-related safety (R2 = 0.130 to 0.147). The effect of enhanced treatment did not differ by levels of objective or perceived neighborhood crime or safety. Weak to moderate bivariate correlations were observed between objective crime measures and perceived disorder crime and crime-related safety (r = 0.04 to 0.25).Conclusions:Weak correlations between perceived and objective crime measures suggest they are measuring different aspects of the crime environment. Future studies should examine perceived and objective measures in other populations and settings and other neighborhood social factors which may moderate crime and safety effects on outcomes of physical activity interventions.
BackgroundDue to the inconsistent findings of prior studies, we explored the association of perceived safety and police-recorded crime measures with physical activity.MethodsThe study included 818 Chicago participants of the Multiethnic Study of Atherosclerosis 45 to 84 years of age. Questionnaire-assessed physical activity included a) transport walking; b) leisure walking; and c) non-walking leisure activities. Perceived safety was assessed through an interviewer-administered questionnaire. Police-recorded crime was assessed through 2-year counts of selected crimes (total and outdoor incivilities, criminal offenses, homicides) per 1000 population. Associations were examined using generalized estimating equation logistic regression models.ResultsPerceiving a safer neighborhood was positively associated with transport walking and perceiving lower violence was associated with leisure walking. Those in the lowest tertile of total or outdoor incivilities were more likely to report transport walking. Models with both perceived safety and police-recorded measures of crime as independent variables had superior fit for both transport walking and leisure walking outcomes. Neither perceived safety nor police-recorded measures of crime were associated with non-walking leisure activity.ConclusionsPerceived and police-recorded measures had independent associations with walking and both should be considered in assessing the impact of neighborhood crime on physical activity.
This secondary analysis examined relationships between the environment and adherence to a walking intervention among 252 urban and suburban midlife African-American women. Participants received an enhanced or minimal behavioral intervention. Walking adherence was measured as the percentage of prescribed walks completed. Objective measures of the women's neighborhoods included: walkability (land use mix, street intersection density, housing unit density, public transit stop density), aesthetics (physical deterioration, industrial land use), availability of outdoor (recreational open space) and indoor (recreation centers, shopping malls) walking facilities/spaces, and safety (violent crime incidents). Ordinary least squares regression estimated relationships. We found presence of one and especially both types of indoor walking facilities were associated with greater adherence. No associations were found between adherence and the other environmental variables. The effect of the enhanced intervention on adherence did not differ by environmental characteristics. Aspects of the environment may influence African-American women who want to be more active.
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