Table 4 Unweighted counts, weighted proportions, and mean PHQ-8 days by mentally unhealthy days from BRFSS 2006
From: PHQ-8 Days: a measurement option for DSM-5 Major Depressive Disorder (MDD) severity
Number of mentally 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 | 133,812 | 65.8 | 65.3 - 66.2 | 7.7 | 7.6 - 7.9 | 0.6 | 0.5 - 0.7 |
1 - 6 | 38,119 | 19.0 | 18.6 - 19.4 | 13.9 | 13.5 - 14.3 | 1.8 | 1.5 - 2.2 |
7 - 10 | 9,279 | 4.7 | 4.5 - 4.9 | 24.2 | 23.0 - 25.3 | 8.3 | 7.1 - 9.6 |
11 - 15 | 6,804 | 3.3 | 3.1 - 3.5 | 33.4 | 31.9 - 34.9 | 16.7 | 14.6 - 19.1 |
16 - 20 | 2,870 | 1.4 | 1.3 - 1.6 | 41.2 | 39.3 - 43.2 | 25.0 | 21.8 - 28.5 |
21 - 30 | 13,609 | 5.8 | 5.6 - 6.0 | 49.2 | 47.9 - 50.5 | 37.3 | 35.4 - 39.3 |