Additional file 1: FigureS1. Thesample of TLSA Table S1. Descriptive analysis of the city/county characteristicsacross 5 waves, 1999-2015 TableS2. Correlations of city-level indicators by year of 22 cites in Taiwan Table S3. Mixedlinear modeling of older adults’ cognitive function with individual and cityindicators by TLSA 1999-2015 (cognitive function measured by 10 items) Table S4. Multi-levelmixed linear modeling of older adults’ cognitive function with individual andcity indicators by TLSA 1999-2015 (cognitive function measured by 8 items ofSPMSQ)