TABLE 3.
Mean Response Rate of a Random-Digit-Dialed Telephone Survey, by Quartile of Neighborhood Characteristics: California Health Interview Survey, 2005
| Response Rate |
||||
| Neighborhood Characteristics | First Quartile, Mean | Second Quartile, Mean | Third Quartile, Mean | Fourth Quartile, Mean |
| Total population size, % | 38.8 | 37.0 | 38.5 | 38.6 |
| Male, % | 37.3 | 38.1 | 39.3 | 38.2 |
| Age, y, % | ||||
| Birth to 17 | 34.8 | 39.9 | 39.2 | 39.0 |
| ≥ 65 | 37.0 | 38.2 | 39.2 | 38.6 |
| Race/ethnicity, % | ||||
| Hispanic | 39.1 | 38.1 | 39.2 | 36.7 |
| Non-Hispanic White | 34.3 | 37.7 | 40.4 | 40.5 |
| Non-Hispanic African American | 41.4 | 38.2 | 36.5 | 37.0 |
| Non-Hispanic Asian | 41.9 | 39.0 | 37.5 | 34.6 |
| Never married, % | 42.7 | 40.8 | 36.5 | 33.0 |
| 1-person household, % | 39.3 | 40.5 | 39.4 | 33.9 |
| Speak English only at home, % | 34.1 | 37.1 | 39.6 | 42.2 |
| Linguistically isolated, % | 41.6 | 40.0 | 37.8 | 33.6 |
| Living in the same house as in 1995, % | 35.6 | 37.7 | 39.7 | 39.9 |
| Less than high school education, % | 38.2 | 39.3 | 39.2 | 36.4 |
| Unemployed, % | 38.5 | 38.3 | 37.3 | 38.9 |
| Not in labor force, % | 37.1 | 38.7 | 39.1 | 38.1 |
| Median household income, $ | 36.9 | 38.9 | 38.8 | 38.4 |
| Below 100% of federal poverty level,a % | 38.4 | 40.1 | 38.3 | 36.1 |
| Has income from social security, % | 35.1 | 37.1 | 39.1 | 41.7 |
| Has at least 1 disability, % | 38.0 | 39.9 | 38.0 | 37.1 |
| No. of housing units | 38.7 | 37.7 | 39.0 | 37.6 |
| Vacant housing, % | 36.8 | 38.1 | 38.0 | 40.2 |
| Renter occupied housing, % | 41.0 | 41.0 | 39.8 | 31.2 |
| Housing built after 1990, % | 35.8 | 35.5 | 39.0 | 42.7 |
| Housing with no vehicle available, % | 40.9 | 40.1 | 38.9 | 33.1 |
| Median gross rent, $ | 40.6 | 38.0 | 37.3 | 37.1 |
| 2000 Census hard-to-count score (range = 0–122) | 40.8 | 40.2 | 37.9 | 34.1 |
| 2000 Census mail participation, % | 37.3 | 37.0 | 38.9 | 39.7 |
| No income imputed, % | 38.4 | 37.7 | 38.8 | 38.1 |
| Voted in 2004 general election, % | 40.6 | 36.5 | 36.5 | 40.4 |
| Registered Democrat, % | 39.7 | 42.3 | 36.1 | 35.6 |
Note. Data are mean figures from the Census 2000 Summary File 3, Census 2000 planning data, and 2004 general election data.22,23,24 The urban population variable was excluded from the analysis because more than 75% of the sample resided in areas with a 100% urban population. For an explanation of quartiles, see the “Results” section.
a
Determined by the 1999 US Census.