UGHL Publications


Lin, Y., Wan, N., Sheets, R., Gong, X., A, Davies. 2018. A Multi-modal Relative Spatial Access Assessment Approach to Measure Spatial Accessibility to Primary Care Providers. International Journal of Health Geographics 17:33

Wan, N., M, Wen., J, Fan., F, Tavake-Pasi., S, McCormick., K, Elliott., E, Nicolosi. 2018.  Physical Activity Barriers and Facilitators among U.S. Pacific Islanders and the Feasibility of Using Mobile Technologies for Intervention: A Focus Group Study with Tongan Americans. Journal of Physical Activity and Health 15(4): 287-294

Wan, N., Siahpush, M., Shaikh, RA., McCarthy, M., Ramos, A., and Correa, A.  2018. The association of point-of-sale e-cigarette advertising with socio-demographic characteristics of neighborhoods. Journal of Primary Prevention 39(3): 191-203

Wang, H., Gregg, A., Qiu, F., Kim, J., Chen, B., Su, D., Michaud, T., Wan, N., Chen, L. 2018. Breast cancer screening for patients of rural Accountable Care Organization clinics: A multi-level analysis of barriers and facilitators. Journal of Community Health 43(2): 248-258

Wan, N., Siahpush, M., Shaikh, RA., McCarthy, M., Ramos, A., and Correa, A. 2018. Point-of-sale E-cigarette Advertising among Tobacco Stores. Journal of Community Health 42(6):1179-1186


 Wan, N & G. Lin. 2017. Addressing Location Uncertainties in GPS-based Activity Monitoring: a Methodological Framework. Transactions in GIS. 21(4): 764-781

Fan, J., Wen, M., and Wan, N. Built Environment and Active Commuting: Rural-Urban Differences in the U.S. SSM – Population Health 3: 435-441

Wang, H., Qiu, F., Gregg, A., Chen, B., Kim, J., Young, L,. Wan, N., and Chen, L. 2017. Barriers and Facilitators of Colorectal Cancer Screening for Patients of Rural Accountable Care Organizations Clinics: A Multi-Level Analysis. Journal of Rural Health 34(2):202-212

Siahpush, M., Shaikh, R. A., Wan, N., et al. 2017. Neighborhood exposure to point-of-sale price promotions for cigarette is associated with financial stress among smokers: Results from a population-based study. Tobacco Control 26: 703-708

Wen, M., Fan, J., Kowaleski-Jones, L., and N, Wan. 2017. Rural-urban Disparities in Overweight and Obesity among Working Age Adults in the United States: Patterns and Mechanisms. American Journal of Health Promotion 32(2): 400-408

Lin, Y., Wan, N., FB Zhan. 2017. Colorectal cancer disparities among racial/ethnic minorities in Texas. Annals of GIS 23(2): 93-101.


Wan, N & G. Lin. 2016. Classifying Human Activity Patterns from Smartphone Collected GPS data: A Fuzzy Classification and Aggregation Approach. Transactions in GIS. 20(6): 869-886

Zhai, L., Zou, B., Fang, X., Luo, Y., Wan, N., S, Li. 2016. Land Use Regression Modeling of PM2.5 Concentrations at Optimized Spatial Scales. Atmosphere 8 (1), 1

Zou, B., Zheng, Z., Wan, N., Qiu, Y., and J.G. Wilson. 2016. An optimized spatial proximity model for fine particulate matter air pollution exposure assessment in areas of sparse monitoring. International Journal of Geographical Information Science 30 (4), 727-747

Wan, N & G. Lin. 2016. Parkinson’s Disease and Pesticides Exposure: New Findings from a Comprehensive Study in Nebraska, USA. Journal of Rural Health 32(3): 303-313.


Wan, N. 2015. Pesticides exposure modeling based on GIS and remote sensing land use data. Applied Geography 56: 99-106.

Siahpush, M., Shaikh, R. A., Hyland, A., Smith, D., Sikora Kessler, A., Meza, J., Wan, N & Wakefield, M. 2015. Point-of-sale cigarette marketing, urge to buy cigarettes, and unplanned purchases of cigarettes: Results from a population-based survey. Nicotine and Tobacco Research 16: 302

Siahpush, M., Shaikh, R.A., Cummings, K.M., Hyland, A., Dodd, M., Carlson, L., Kessler, A. S., Meza, J., Wan, N., Wakefield, M. 2015. The association of point-of-sale cigarette marketing with cravings to smoke: results from a cross-sectional population-based study. Tobacco Control: doi:10.1136/tobaccocontrol-2015-052253

Zou, B., Luo, Y., Wan, N., Zheng, Z., Sternberg, T., and Liao, Y. 2015. Performance comparison of LUR and OK in PM2.5 concentration mapping: a multidimensional perspective. Scientific Reports 5: 8698

Zou, B., Wang, M., Wan, N., J, Wilson., X, Fang., and Y, Tang. 2015. Spatial modeling of PM2. 5 concentrations with a multifactoral radial basis function neural network. Environmental Science and Pollution Research 22 (14), 10395-10404


Zou, B., Peng, F., Wan, N., Mamady, K., and Wilson, J. 2014. Spatial cluster detection of air pollution exposure inequality in the United States. PLOS ONE 9 (3)

Zou, B., Peng, F., Wan, N., Wilson, J. 2014. Sulfur dioxide exposure and environmental justice: a multi-scale and source-specific perspective. Atmospheric Pollution Research 5: 491-499.

Dong, M., Zou, B., Pu, Qian., Wan, N., Yang, L., Luo, Y. 2014. Spatial pattern evolution and causal analysis of county level economy in Chang-Zhu-Tan urban agglomeration, China. Chinese Geographical Science 24(5): 620-630.

Wan, N. & G Lin. 2013. Life-space characterization from cellular telephone collected GPS data. Computers, Environment and Urban Systems 39: 63-70.


Wan, N. & G Lin. 2013. Life-space characterization from cellular telephone collected GPS data. Computers, Environment and Urban Systems 39: 63-70.

Wan, N., Qu, W., Whitington, J., Witbrodt, B., Henderson, M., Goulding, E., Schenk, A., Bonasera, S., and Lin, G. 2013. Assessing smart phones for generating life space indicators. Environment and Planning B: Planning and Design 40(2): 350-361.

Wan, N., Zhan, FB., Zou, B., and Wilson, JG. 2013. Spatial access to healthcare services and disparities in colorectal cancer stage at diagnosis in Texas. The Professional Geographer 65(3): 527-541.

Wan, N., Zou, B., Sternberg, T. 2012.A three-step floating catchment area method for analyzing spatial access to health services. International Journal of Geographic Information Science 26(6): 1073-1089.

Wan, N., Zhan, FB., Lu, Y., and Tiefenbacher, J. 2012. Access to health care and disparities in colorectal cancer survival in Texas. Health & Place 18(2): 321-329.

Wan, N., Zhan, FB., Zou, B., and Chow, T. 2012. A relative spatial access assessment approach for analyzing potential spatial access to colorectal cancer services in Texas. Applied Geography 32(2): 291-299.

Wan, N., Zhan, FB., and Cai, Z. 2011. Socioeconomic disparities in prostate cancer mortality and the impact of geographic scale. Southern Medical Journal 104(8): 553-559.

Wan, N., Zhan, FB., and Cai, Z. 2011. A spatially weighted degree model for network vulnerability analysis. Geo-spatial Information and Science 14(4): 274-281.