Table 2. Characteristics of Neighborhoods (N = 247) in Los Angeles County, California, 2016^a .

Characteristic	Mean (Standard Deviation)
Sociodemographic characteristicsb
Total population	40,210 (43,989)
Race/ethnicity
Percentage of Non-Hispanic white residents	31.5 (26.4)
Percentage of Hispanic or Latino residents	43.4 (27.6)
Percentage of black or African American residents	8.7 (14.3)
Percentage of Asian residents	13.5 (14.1)
Percentage of residents aged ≥25 with >high school education	58.0 (21.6)
Percentage of residents below the poverty level in the last 12 months	16.7 (10.0)
Median household income in the last 12 months, $	67,895.7 (31,671.8)
Restaurant characteristics
Number of restaurants	94.4 (117.5)c
Number of restaurants per 1,000 residents	2.3 (1.8)
Proportion of restaurants that are large chains based on the number of locations nationally	26.5 (15.0)d
Proportion of restaurants that are large chains based on the number of locations in Los Angeles County	21.7 (12.4)e

^a Neighborhoods and their boundaries were defined according to the Los Angeles Times’ Mapping L.A. project. All analyses excluded 8 neighborhoods with <1,000 residents and 3 neighborhoods with >15 restaurants per 1,000 residents.

^b Based on census tract level data drawn from the 2010–2014 American Community Survey 5-Year Estimates, aggregated to the neighborhood level (19–23).

^c Thirty-two of 247 neighborhoods (13.0%) had <10 restaurants and were excluded in sensitivity analyses examining the relationship between restaurant chain density and neighborhood sociodemographic characteristics.

^d When we examined neighborhoods with ≥10 restaurants (n = 215), average was 27.2% and standard deviation was 12.5%.

^e When we examined neighborhoods with ≥10 restaurants (n = 215), average was 22.9% and standard deviation was 10.5%.