Table 1.
Sociodemographic characteristics of the sample
| Variables | Sites | Total (N = 452) | ||||
|---|---|---|---|---|---|---|
| OK (94) | OH (98) | NY (153) | DC (107) | n | % | |
| Gender | ||||||
| Male | 36 | 27 | 47 | 36 | 146 | 32.30 |
| Female | 58 | 71 | 106 | 71 | 306 | 67.70 |
| Age* (years) | ||||||
| 18–35 | 11 | 19 | 24 | 22 | 76 | 16.81 |
| 36–50 | 67 | 67 | 92 | 75 | 301 | 66.59 |
| 51–65 | 16 | 12 | 36 | 10 | 74 | 16.37 |
| Missing data | 0 | 0 | 1 | 0 | 1 | 0.22 |
| Ethnicity* | ||||||
| African American | 29 | 48 | 49 | 60 | 186 | 41.15 |
| White | 7 | 10 | 22 | 1 | 40 | 8.85 |
| Other | 6 | 6 | 18 | 14 | 44 | 9.73 |
| Mixed | 27 | 3 | 20 | 7 | 57 | 12.61 |
| Missing data | 26 | 31 | 44 | 24 | 125 | 27.65 |
| Marital Stat. | ||||||
| Married | 44 | 39 | 55 | 35 | 173 | 38.27 |
| Widowed | 8 | 5 | 15 | 2 | 30 | 6.64 |
| Separated/divorced | 20 | 25 | 25 | 25 | 95 | 21.02 |
| Never married | 22 | 25 | 56 | 42 | 145 | 32.08 |
| Other | 0 | 4 | 2 | 3 | 9 | 1.99 |
| Education* | ||||||
| ≤High school | 15 | 8 | 20 | 6 | 49 | 10.84 |
| ≤College | 46 | 52 | 82 | 56 | 236 | 52.21 |
| Graduate/professional | 33 | 38 | 50 | 45 | 166 | 36.73 |
| Missing data | 0 | 0 | 1 | 0 | 1 | 0.22 |
| Employ. Stat | ||||||
| Employed | 63 | 73 | 83 | 84 | 303 | 67.04 |
| Not employed | 6 | 4 | 22 | 6 | 38 | 8.41 |
| Retired | 24 | 21 | 48 | 17 | 110 | 24.34 |
| Missing data | 1 | 0 | 0 | 0 | 1 | 0.22 |
| Job | ||||||
| Student/other | 4 | 4 | 5 | 1 | 14 | 3.10 |
| Unskilled | 5 | 3 | 12 | 2 | 22 | 4.87 |
| Skilled | 27 | 21 | 36 | 32 | 116 | 25.66 |
| Professional | 45 | 58 | 79 | 61 | 243 | 53.76 |
| Missing data | 13 | 12 | 21 | 11 | 57 | 12.61 |
| Income | ||||||
| Less than $25,000 | 21 | 16 | 30 | 14 | 81 | 17.92 |
| $25, 000–49,000 | 28 | 24 | 33 | 27 | 112 | 24.78 |
| $50, 000–99,000 | 28 | 32 | 33 | 39 | 132 | 29.20 |
| At least $100,000 | 9 | 9 | 21 | 18 | 57 | 12.61 |
| Missing data | 8 | 17 | 36 | 9 | 70 | 15.49 |
| Religion* | ||||||
| Christian | 78 | 79 | 123 | 74 | 354 | 78.67 |
| Other | 10 | 13 | 23 | 17 | 63 | 14.00 |
| None | 4 | 5 | 7 | 17 | 33 | 7.33 |
Three participants, one from OH, NY and DC, were missing data on all demographic variables and were not included in the analyses of site differences in demographic variables
* Significant difference between groups for the variable (p < 0.05)