Table 1 Sample characteristics by county-level poverty status (in quartiles)
| Â | Â | Percent of the population under 125% poverty | |||||
|---|---|---|---|---|---|---|---|
|  | Total (n = 19,365) | Quartile 1 (n = 4,760) | Quartile 2 (n = 5,029) | Quartile 3 (n = 4,924) | Quartile 4 (n = 4,652) | χ 2 or f | P |
Percent of county under 125% poverty | |||||||
 Lowest percent | 3.51% | 3.51% | 15.29% | 19.51% | 22.63% |  |  |
 Highest percent | 69.12% | 15.27% | 19.50% | 22.62% | 69.12% |  |  |
Age | 58.49 (±4.25) | 58.43 (±4.24) | 58.56 (±4.22) | 58.63 (±4.24) | 58.34 (±4.29) | 4.40 | 0.004 |
Sex | Â | Â | Â | Â | Â | 8.06 | 0.045 |
 Male | 23.0% | 23.5% | 24.0% | 21.7% | 22.9% |  |  |
 Female | 77.0% | 76.5% | 76.0% | 78.3% | 77.1% |  |  |
Ethnicity | Â | Â | Â | Â | Â | 137.10 | <0.001 |
 Non-hispanic | 88.3% | 92.3% | 88.7% | 87.9% | 84.1% |  |  |
 Hispanic | 11.7% | 7.7% | 11.3% | 12.1% | 15.9% |  |  |
Race | Â | Â | Â | Â | Â | 1094.37 | <0.001 |
 White | 62.5% | 67.4% | 68.4% | 59.6% | 54.3% |  |  |
 African american | 23.7% | 14.0% | 18.7% | 27.0% | 35.3% |  |  |
 Asian/pacific islander | 4.4% | 9.4% | 4.6% | 2.7% | 0.8% |  |  |
 American indian/native american | 2.0% | 1.8% | 1.7% | 1.9% | 2.5% |  |  |
 Other/mixed race | 7.5% | 7.4% | 6.6% | 8.8% | 7.1% |  |  |
Number of chronic conditions (0 to 10) | 2.57 (±1.68) | 2.55 (±1.65) | 2.56 (±1.70) | 2.67 (±1.70) | 2.48 (±1.66) | 9.57 | <0.001 |
 No conditions | 8.2% | 7.9% | 8.7% | 8.1% | 8.2% | 51.94 | <0.001 |
 1 Condition | 21.7% | 22.6% | 21.8% | 19.5% | 23.2% |  |  |
 2 Conditions | 23.4% | 22.4% | 23.0% | 22.7% | 25.4% |  |  |
 3+ Conditions | 46.7% | 47.2% | 46.5% | 49.6% | 43.2% |  |  |
Delivery site type | Â | Â | Â | Â | Â | 635.75 | <0.001 |
 Senior center/AAA | 24.0% | 19.6% | 26.3% | 22.4% | 27.5% |  |  |
 Healthcare organizations | 26.3% | 30.7% | 26.9% | 25.9% | 21.5% |  |  |
Residential facility | 12.0% | 13.1% | 13.5% | 10.0% | 11.2% | Â | Â |
 Community/multi-purpose facility | 11.5% | 11.7% | 10.8% | 15.3% | 8.3% |  |  |
 Faith-based organization | 9.8% | 10.7% | 8.2% | 10.1% | 10.5% |  |  |
 Educational institution | 2.7% | 2.2% | 1.4% | 3.6% | 3.5% |  |  |
 County health department | 1.8% | 2.1% | 2.1% | 1.8% | 1.0% |  |  |
 Tribal organization | 0.3% | 0.1% | 0.7% | 0.3% | 0.2% |  |  |
 Other delivery site | 10.8% | 8.2% | 9.4% | 10.0% | 15.9% |  |  |
 Workplace | 0.9% | 1.6% | 0.7% | 0.7% | 0.5% |  |  |
Median household income level (in $10,000 increments) | 5.02 (±1.24) | 6.50 (±1.20) | 5.06 (±0.62) | 4.71 (±0.59) | 3.80 (±0.56) | 9652.62 | <0.001 |
Percent of population with less than high school education | 3.59% (±7.80) | 1.85% (±3.32) | 2.53% (±3.81) | 6.91% (±13.08) | 3.03% (±5.48) | 441.31 | <0.001 |
Number of sessions attended (of 6 offered sessions) | 4.46 (±1.66) | 4.46 (±1.65) | 4.44 (±1.67) | 4.40 (±1.69) | 4.52 (±1.60) | 4.24 | 0.005 |
 Non-successful completion (attending less than 4 sessions) | 23.5% | 23.4% | 23.9% | 25.1% | 21.6% | 16.51 | 0.001 |
 Successful completion (attending 4+ sessions) | 76.5% | 76.6% | 76.1% | 74.9% | 78.4% |  |  |