Bus frequency is measured as the average number of buses per hour along routes in and surrounding census tracts. For this Indicator, 100ft buffers were created around each group of census tracts in order to capture bus routes that did not fall completely inside census tract boundaries but were still important to include because they were very close. For each group of census tracts, bus frequency was averaged, taking into account the length of the route.

This Indicator measures median household income by the race/ethnicity of householders.

This Indicator measures the percent of residential addresses that have been identified as “vacant” by the United States Postal Service (USPS) for at least two years. Data is collected and aggregated at the census tract level by the USPS on a quarterly basis.

Pollution burden is calculated by the Office of Environmental Health Hazard Assessment’s CalEnviroScreen 3.0. This tool measures pollution burden as a combined score that includes Indicators of potential exposures to pollutants and environmental conditions (e.g., ozone, pesticides, toxic releases, traffic, hazardous waste). The pollution burden scores are averaged by majority race/ethnicity of Oakland census tracts.

This Indicator measures the percent of business addresses that have been identified as “vacant” by the United States Postal Service (USPS) for at least two years. Data is collected and aggregated at the census tract level by the USPS on a quarterly basis.

This Indicator measures the percent of storm drains that have not been adopted through Oakland’s Adopt a Drain Program. Through this program, volunteers help to clean storm drain inlets throughout the city. This Indicator measures disparities in program participation by the majority race/ethnicity of census tracts.

This Indicator measures the rate of adult felony arrests by race/ethnicity adjusted for population. Rate is calculated as the number of adult felony arrests per 100,000 people of each race/ethnicity that are 18 years of age and older. To determine the number of adults of each race/ethnicity in Oakland, we took the population by race/ethnicity for all ages and multiplied by the percent of Oakland’s population that is 18 and over (80.33%). This approach was necessary due to the lack of exact data available on the 18 and over population in Oakland by race/ethnicity.

This Indicator measures severe mental illness related emergency department visits per 100,000 by race/ethnicity, from 2013 through the third quarter of 2015. Severe mental illness is often defined by its length of duration and the disability it produces. These illnesses include disorders that produce psychotic symptoms, such as schizophrenia and schizoaffective disorder, and severe forms of other disorders, such as major depression and bipolar disorder.

This Indicator measures the percent of employed individuals who are self-employed in their own incorporated business, professional practice, or farm.

This Indicator measures housing habitability complaints as a percent of total housing units by zip code as reported to the Oakland Code Enforcement Division. This Indicator compares zip codes in which more than 60% of the population is non-White to those in which more than 60% of the population is White. The third category of zip codes is those in which the population is racially and ethnically mixed.