Table 4.
Rate of Clinically Significant Insomnia by Predictor Categories
| Total n in category | Prevalence of clinically significant insomnia % | ISI scoreMean (SD) | |
|---|---|---|---|
| Income | |||
| Less than $14,999 | 571 | 19.8 | 4.5 (5.3) |
| $15,000–$29,999 | 306 | 15.4 | 4.5 (5.3) |
| $30,000–$54,999 | 71 | 18.3 | 4.5 (4.6) |
| $55,000–$99,999 | 17 | 17.6 | 3.8 (4.0) |
| $100,000+ | 9 | 11.1 | 4.7 (3.7) |
| Missing/don't know | 315 | 12.7 | 4.1 (4.5) |
| Language | |||
| English | 364 | 96 (26.4%) | 5.8 (5.6) |
| Spanish | 925 | 121 (13.1%) | 3.9 (4.7) |
| EPDS total scorea | |||
| <9 | 1019 | 91 (8.9%) | 3.1 (4.0) |
| ≥9 | 270 | 126 (46.7%) | 9.2 (5.8) |
a
Categories presented based on median modified EPDS score in this sample.