Sealy-Jefferson Shawnita, Messer Lynne, Slaughter-Acey Jaime, Misra Dawn P
Division of Epidemiology, Department of Family Medicine and Population Health, Virginia Commonwealth University, Richmond, VA.
School of Community Health, College of Urban and Public Affairs, Portland State University, Portland, OR.
Ann Epidemiol. 2017 Mar;27(3):164-168. doi: 10.1016/j.annepidem.2016.12.003. Epub 2016 Dec 14.
The inter-relationships between objective (census based) and subjective (resident reported) measures of the residential environment is understudied in African American (AA) populations.
Using data from the Life Influences on Fetal Environments Study (2009-2011; n = 1387) of AA women, we quantified the area-level variation in subjective reports of residential healthy food availability, walkability, safety, and disorder that can be accounted for with an objective neighborhood disadvantage index (NDI). Two-level generalized linear models estimated associations between objective and subjective measures of the residential environment, accounting for individual-level covariates.
In unconditional models, intraclass correlation coefficients for block-group variance in subjective reports ranged from 11% (healthy food availability) to 30% (safety). Models accounting for the NDI (vs. both NDI and individual-level covariates) accounted for more variance in healthy food availability (23% vs. 8%) and social disorder (40% vs. 38%). The NDI and individual-level variables accounted for 39% and 51% of the area-level variation in walkability and safety, respectively. Associations between subjective and objective measures of the residential environment were significant and in the expected direction.
Future studies on neighborhood effects on health, especially among AAs, should include a wide range of residential environment measures, including subjective, objective, and spatial contextual variables.
在非裔美国人(AA)群体中,针对居住环境的客观(基于人口普查)和主观(居民报告)测量之间的相互关系研究不足。
利用非裔美国女性的“生活对胎儿环境的影响研究”(2009 - 2011年;n = 1387)中的数据,我们量化了居住健康食品可及性、步行便利性、安全性和无序性的主观报告中的区域层面差异,这些差异可以用客观邻里劣势指数(NDI)来解释。二级广义线性模型估计了居住环境的客观和主观测量之间的关联,并考虑了个体层面的协变量。
在无条件模型中,主观报告中街区组方差的组内相关系数范围从11%(健康食品可及性)到30%(安全性)。考虑NDI的模型(与同时考虑NDI和个体层面协变量的模型相比)在健康食品可及性(23%对8%)和社会无序性(40%对38%)方面解释了更多的方差。NDI和个体层面变量分别解释了步行便利性和安全性区域层面差异的39%和51%。居住环境的主观和客观测量之间的关联显著且符合预期方向。
未来关于邻里环境对健康影响的研究,尤其是在非裔美国人中的研究应包括广泛的居住环境测量,包括主观、客观和空间背景变量。