Table 2. Demographic Profile Across SOM Clusters.
| CLUSTER | Total | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|---|
| Sample (n)* | 3,914 | 3,108 | 34 | 57 | 446 | 50 | 83 | 55 | 52 | 29 |
| Demographics | ||||||||||
| Gender: | ||||||||||
| Male | 49.6% | 50.8% | 60.4% | 60.2% | 38.9% | 43.1% | 63.9% | 41.2% | 31.2% | 57.4% |
| Female | 50.4% | 49.2% | 39.6% | 39.8% | 61.1% | 56.9% | 36.1% | 58.8% | 68.8% | 42.6% |
| Mean age (years) | 42.44 | 42.08 | 48.17 | 53.05 | 46.09 | 51.60 | 56.24 | 44.30 | 55.93 | 38.67 |
| Marital status: | ||||||||||
| Never | 19.3% | 20.4% | 15.0% | 11.6% | 15.8% | 14.6% | 7.8% | 14.7% | 7.6% | 19.6% |
| Married/Partner | 65.3% | 65.5% | 66.4% | 76.6% | 64.7% | 65.2% | 63.9% | 66.8% | 48.9% | 63.6% |
| Widowed/Divorced/Separated | 15.4% | 14.1% | 18.6% | 11.8% | 19.6% | 20.3% | 28.4% | 18.6% | 43.5% | 16.8% |
| Mean household size | 3.22 | 3.23 | 3.19 | 2.23 | 3.07 | 2.95 | 2.64 | 3.26 | 2.55 | 3.94 |
| Mean family size | 3.02 | 3.03 | 3.07 | 2.94 | 2.91 | 2.75 | 2.49 | 2.94 | 2.39 | 3.88 |
| Race: | ||||||||||
| Mexican/Hispanic | 14.3% | 14.4% | 6.0% | 17.3% | 15.3% | 13.3% | 5.6% | 27.0% | 2.6% | 45.5% |
| Non-Hispanic white | 67.5% | 67.6% | 78.4% | 66.3% | 67.3% | 54.0% | 74.2% | 55.4% | 81.3% | 26.0% |
| Non-Hispanic black | 11.4% | 10.9% | 15.6% | 5.9% | 12.8% | 27.0% | 17.4% | 14.6% | 10.1% | 16.5% |
| Other | 6.7% | 7.1% | 0.0% | 10.4% | 4.6% | 5.7% | 2.8% | 2.9% | 6.1% | 12.0% |
| Family income poverty ratio**: | ||||||||||
| Low | 31.0% | 29.2% | 29.9% | 39.8% | 35.7% | 42.6% | 32.7% | 64.9% | 58.9% | 68.8% |
| Middle | 24.0% | 24.5% | 10.5% | 19.0% | 22.9% | 23.4% | 31.3% | 15.9% | 21.5% | 11.2% |
| High | 45.0% | 46.4% | 59.6% | 41.2% | 41.5% | 33.9% | 36.0% | 19.2% | 19.6% | 20.0% |
| Mean family income poverty ratio: | ||||||||||
| (Note: 1 = poverty line) | 3.03 | 3.16 | 3.39 | 2.80 | 2.89 | 2.68 | 2.91 | 1.82 | 2.09 | 1.68 |
Note: Figures quoted take account of the survey design of NHANES with 15 strata, 31Primary Sampling Units (PSU).
*Total sample size varies per demographic as base includes all those with a depression score and valid answer given for demographic.
**Family income poverty ratio represents the ratio of family or unrelated individual income to their appropriate poverty threshold where groupings are based on eligibility for Special Supplemental Nutrition Program for Women, Infants, and Children (WIC): Low = 0.00–1.85 family income poverty ratio, Middle = >1.85–3.50 family income poverty ratio, and High = >3.50 and above family income poverty ratio.