From: PHQ-8 Days: a measurement option for DSM-5 Major Depressive Disorder (MDD) severity
Number of physically unhealthy days | Un-weighted (n) | Weighted proportion (%) | 95% confidence interval | Mean PHQ-8 Days | 95% confidence interval | Weighted prevalence of major depression (%) | 95% confidence interval |
---|---|---|---|---|---|---|---|
0 | 141,421 | 64.4 | 63.9 - 64.9 | 9.4 | 9.3 - 9.6 | 1.9 | 1.7 - 2.1 |
1 - 6 | 41,479 | 20.4 | 20.1 - 20.8 | 14.6 | 14.1 - 15.0 | 3.6 | 3.2 - 4.1 |
7 - 10 | 9,553 | 4.1 | 3.9 - 4.2 | 21.1 | 20.1 - 22.0 | 8.0 | 6.9 - 9.3 |
11 - 15 | 7,059 | 3.0 | 2.8 - 3.1 | 27.6 | 26.0 - 29.2 | 12.8 | 11.0 - 15.0 |
16 - 20 | 2,658 | 1.1 | 1.0 - 1.2 | 32.0 | 29.7 - 34.2 | 14.8 | 12.3 - 17.7 |
21 - 30 | 19,664 | 7.0 | 6.8 - 7.2 | 34.1 | 32.8 - 35.3 | 20.1 | 18.7 - 21.6 |