Liver Cancer Incidence and Area-Level Geographic Disparities in Pennsylvania—A Geo-Additive Approach

Angel G. Ortiz, Daniel Wiese, Kristen A. Sorice, Minhhuyen Nguyen, Evelyn T. González, Kevin A. Henry and Shannon M. Lynch
Additional contact information
Angel G. Ortiz: Cancer Prevention and Control, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
Daniel Wiese: Geography and Urban Studies, Temple University, Philadelphia, PA 19122, USA
Kristen A. Sorice: Cancer Prevention and Control, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
Minhhuyen Nguyen: Cancer Prevention and Control, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
Evelyn T. González: Cancer Prevention and Control, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
Kevin A. Henry: Cancer Prevention and Control, Fox Chase Cancer Center, Philadelphia, PA 19111, USA
Shannon M. Lynch: Cancer Prevention and Control, Fox Chase Cancer Center, Philadelphia, PA 19111, USA

IJERPH, 2020, vol. 17, issue 20, 1-20

Abstract: Many neighborhood socioeconomic index measures (nSES) that capture neighborhood deprivation exist but the impact of measure selection on liver cancer (LC) geographic disparities remains unclear. We introduce a Bayesian geoadditive modeling approach to identify clusters in Pennsylvania (PA) with higher than expected LC incidence rates, adjusted for individual-level factors (age, sex, race, diagnosis year) and compared them to models with 7 different nSES index measures to elucidate the impact of nSES and measure selection on LC geospatial variation. LC cases diagnosed from 2007–2014 were obtained from the PA Cancer Registry and linked to nSES measures from U.S. census at the Census Tract (CT) level. Relative Risks (RR) were estimated for each CT, adjusted for individual-level factors (baseline model). Each nSES measure was added to the baseline model and changes in model fit, geographic disparity and state-wide RR ranges were compared. All 7 nSES measures were strongly associated with high risk clusters. Tract-level RR ranges and geographic disparity from the baseline model were attenuated after adjustment for nSES measures. Depending on the nSES measure selected, up to 60% of the LC burden could be explained, suggesting methodologic evaluations of multiple nSES measures may be warranted in future studies to inform LC prevention efforts.

Keywords: geospatial; liver cancer; neighborhood; disparities (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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