TABLE 1—

Summary Statistics for Variables Analyzed and Bivariate Correlations: Greater Houston Metropolitan Statistical Area, Texas, 2017

			Bivariate Correlation With Flood Extent
Variable	Min–Max	Mean (SD) Pearson’s r (95% CI)	Spearman’s ρ (95% CI)	Spearman’s ρ (95% CI)
Dependent variable
Proportion of tract area flooded (flood extent)	0.019–0.964	0.549 (0.149)
Independent variables
Proportion non-Hispanic White	0.003–0.912	0.370 (0.271)	−0.166 (−0.223, −0.107)	−0.179 (−0.236, −0.121)
Proportion non-Hispanic Black	0.000–0.924	0.173 (0.198)	0.161 (0.102, 0.219)	0.139 (0.080, 0.197)
Proportion Hispanic	0.022–0.989	0.376 (0.245)	0.094 (0.035, 0.153)	0.099 (0.040, 0.158)
Proportion Asian	0.000–0.708	0.062 (0.085)	−0.100 (−0.159, −0.041)	−0.174 (−0.231, −0.116)
Proportion non-Hispanic other	0.000–0.173	0.018 (0.016)	−0.094 (−0.223, −0.107)	−0.099 (−0.158, −0.040)
Socioeconomic deprivation (α = 0.80)	−1.585–4.639	0.000 (1.000)	0.162 (0.103, 0.219)	0.171 (0.1133, 0.228)
Proportion < high school education	0.000–0.667	0.200 (0.154)	0.144 (0.085, 0.202)	0.158 (0.099, 0.216)
Proportion limited English proficiency	0.000–0.763	0.178 (0.150)	0.075 (0.015, 0.134)	0.081 (0.021, 0.140)
Proportion below poverty level	0.000–0.781	0.171 (0.122)	0.113 (0.054, 0.171)	0.142 (0.083, 0.200)
Proportion zero-vehicle households	0.000–0.586	0.065 (0.067)	0.118 (0.059, 0.176)	0.097 (0.038, 0.156)
Proportion civilian unemployed	0.000–0.637	0.253 (0.072)	0.173 (0.115, 0.230)	0.178 (0.120, 0.235)
Proportion owner-occupied housing units	0.000–0.991	0.596 (0.239)	0.003 (−0.057, 0.063)	−0.026 (−0.085, 0.034)
Proportion vacant: seasonal/recreational use	0.000–1.000	0.088 (0.167)	0.003 (−0.057, 0.063)	0.030 (−0.030, 0.089)

Note. CI = confidence interval. There were 1063 census tracts in the sample.