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Attribute names and descriptions are as follows:
STATE - Census State Number
COUNTY - Census County Number
TRACT - Census Tract Number
plltn_p - Clean Environment domain score (average of Z-scores of Diesel PM, Ozone, PM 2.5, Safe Drinking Water), statewide percentile ranking
atmbl_p - Percentage of households with access to an automobile, statewide percentile ranking
cmmt_pc - Percentage of workers, 16 years and older, who commute to work by transit, walking, or cycling, statewide percentile ranking
emplyd_ - Percentage of population aged 20-64 who are employed, statewide percentile ranking
abvpvr_ - Percent of the population with an income exceeding 200% of federal poverty level, statewide percentile ranking
prkccs_ - Percentage of the population living within a half-mile of a park, beach, or open space greater than 1 acre, statewide percentile ranking
trcnpy_ - Population-weighted percentage of the census tract area with tree canopy, statewide percentile ranking
twprnt_ - Percentage of family households with children under 18 with two parents, statewide percentile ranking
ozn_pct - Mean of summer months of the daily maximum 8-hour ozone concentration (ppm) averaged over three years (2012 to 2014), statewide percentile ranking
pm25_pc - Annual mean concentration of PM2.5 (average of quarterly means, μg/m3), over three years (2012 to 2014), statewide percentile ranking
dslpm_p - Spatial distribution of gridded diesel PM emissions from on-road and non-road sources for a 2012 summer day in July, statewide percentile ranking
h20cnt_ - Cal EnviroScreen 3.0 drinking water contaminant index for selected contaminants, statewide percentile ranking
wht_pct - Percent of Whites in the total population (not a percentile)
heatdays - Projected annual number of extreme heat days at 2070, (not a percentile)
impervsu_5 - Percent impervious surface cover, statewide percentile ranking
transita_5 - Percent of population residing within ½ mile of a major transit stop, statewide percentile ranking
uhii_pctil - Urban heat island index: sum of 182 day temp. differences (degree-hr) between urban and rural reference, statewide percentile ranking
traffic__1 - Sum of traffic volumes adjusted by road segment length divided by total road length within 150 meters of the census tract boundary, statewide percentile ranking
children_1 - Percent of population under 5 years of age, statewide percentile ranking
elders_p_1 - Percent of population 65 years of age and older, statewide percentile ranking
englishs_5 - Percentage of households where at least one person 14 years and older speaks English very well, statewide percentile ranking
pedshurt_1 - 5-year (2006-2010) annual average rate of severe and fatal pedestrian injuries per 100,000 population, statewide percentile ranking
leb_pctile - Life expectancy at birth in 2010, statewide percentile ranking
abvpvty_s - Poverty, lowest 25th percentile statewide
employ_s - Unemployed, lowest 25th percentile statewide
twoprnt_s - Two Parent Households, lowest 25th percentile statewide
chldrn_s - Young Children, lowest 25th percentile statewide
elderly_s - Elderly, lowest 25th percentile statewide
englishs_s - Non-English Speaking, lowest 25th percentile statewide
majorwht_s - Majority Minority Population, over 50 percent of population non-white
D1_Social - Social barriers to accessing outdoor opportunities, combined indicators score
actvcom_s - Limited Active Commuting, lowest 25th percentile statewide
autoacc_s - Limited Automobile Access, lowest 25th percentile statewide
transita_s - Limited Public Transit Access, lowest 25th percentile statewide
trafficd_s - Traffic Density, lowest 25th percentile statewide
pedinjry_s - Pedestrian Injuries, lowest 25th percentile statewide
D2_Transp - Transportation barriers to accessing outdoor opportunities, combined indicators score
expbirth_s - Life Expectancy at Birth, lowest 25th percentile statewide
clneviro_s - Pollution, lowest 25th percentile statewide
D3_Health - Health Vulnerability, combined indicators score
parkacc_s - Limited Park Access, lowest 25th percentile statewide
treecan_s - Limited Tree Canopy, lowest 25th percentile statewide
impsurf_s - Impervious Surface, lowest 25th percentile statewide
exheat_s - Excessive Heat Days, highest of four quantiles
hisland_s - Urban Heat Island Index, lowest 25th percentile statewide
D4_Environ Environmental Vulnerability, combined indicators score
D1_Multi Multiple indicators (2 or more) with social barriers to accessessing outdoor opportunities
D2_Multi Multiple indicators (2 or more) with transportation barriers to accessessing outdoor opportunities
D3_Multi Multiple indicators (1 or more) with health vulnerability
D4_Multi Multiple indicators (2 or more) with environmental vulnerability
Comp_DIM - Multiple Indicators, combined dimensions score
D1_Major - Majority indicators (4 or more) with social barriers to accessessing outdoor opportunities
D2_Major - Majority indicators (3 or more) with transportation barriers to accessessing outdoor opportunities
D3_Major - Majority indicators (1 or more) with health vulnerability
D4_Major - Majority indicators (3 or more) with environmental vulnerability
Comp_DIM_2 - Majority Indicators, combined dimensions score