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Recent Publications

Health Place. 2008 Jun;14(2):336-46.
Authors: Zenk SN, Powell LM.

We examined the availability of fast food restaurants and convenience stores within walking distance (0.5 miles or 805 m) of US public secondary schools. We found that one-third of schools nationwide have at least one fast food restaurant or convenience store within walking distance. In multivariate analyses, schools in the lowest-income versus the highest-income neighborhoods have more fast food restaurants and convenience stores, while schools in African-American versus White neighborhoods generally... more

Ann Rev Public Health. 2008 Apr 21;29:411-428.
Authors: Curry SJ, Keller PA, Orleans CT, Fiore MC.

Health care delivery systems are critical components of tobacco cessation efforts. This review summarizes recent evidence in support of the health care system recommendations in the 2000 U.S. Public Health Service Clinical Practice Guideline, Treating Tobacco Use and Dependence. Measurable progress in addressing tobacco use through the health care system is summarized, including accountabilities for addressing tobacco in national health care reporting systems, increases in reported advice to quit smoking from health care... more

Cancer Epidemiol Biomarkers Prev. 2008 Apr;17(4):748-57.
Authors: Rauscher GH, Johnson TP, Cho YI, Walk JA.

Background: Survey data used to study trends in cancer screening may overestimate screening utilization while potentially underestimating existing disparities in use. Methods: We did a literature review and meta-analysis of validation studies examining the accuracy of self-reported cancer-screening histories. We calculated summary random-effects estimates for sensitivity and specificity, separately for mammography, clinical breast exam (CBE), Pap smear, prostate-specific antigen... more

Am J Prev Med. 2007 Oct;33(4 Suppl):S251-6. 
Authors: Powell LM, Szczypka G, Chaloupka FJ.

Background: Television viewing is hypothesized to contribute to obesity among children and adolescents through several mechanisms that include the displacement of physical activity, snacking while watching TV, and the influence of food advertising. Methods: This study drew on television ratings to examine the distribution of food advertising exposure among adolescents aged 12 through 17 based on 170 top-rated shows across network,... more

Ann Epidemiol. 2008 Jan;18(1):43-7. 
Authors: Barrett RE, Cho YI, Weaver KE, Ryu K, Campbell RT, Dolecek TA, Warnecke RB.

Purpose: To test whether upward socioeconomic neighborhood change has an effect on probability of distant metastasis at diagnosis of breast cancer among women who live there. Methods: Census tract data (N = 1,137) from Cook County. IL, from 1990 and 2000 and cancer registry data for female breast cancer cases for these census tracts from 1994-... more