Table 2.
Association of depression symptoms and diabetes distress with subsequent risk of GRADE primary metabolic outcome (HbA1c ≥7% subsequently confirmed)
| Primary metabolic outcome (unadjusted) | Primary metabolic outcome (model 1*) | Primary metabolic outcome (model 2**) | ||||
|---|---|---|---|---|---|---|
| HR (95% CI) | P | HR (95% CI) | P | HR (95% CI) | P | |
| Separate models | ||||||
| Depression symptoms | ||||||
| PHQ-8 total score | 1.01 (1.00–1.03) | 0.123 | 1.01 (1.00–1.03) | 0.076 | 1.01 (1.00–1.03) | 0.110 |
| PHQ-8 total score (≥10 vs. <10) | 1.03 (0.84–1.27) | 0.747 | 1.09 (0.88–1.34) | 0.422 | 1.13 (0.91–1.41) | 0.272 |
| PHQ-8 somatic depression score | 1.09 (0.98–1.21) | 0.105 | 1.10 (0.99–1.23) | 0.080 | 1.10 (0.98–1.24) | 0.113 |
| PHQ-8 cognitive-affective depression score | 1.06 (0.95–1.19) | 0.266 | 1.09 (0.97–1.22) | 0.146 | 1.09 (1.00–1.23) | 0.193 |
| Diabetes distress | ||||||
| DDS average score | 1.13 (1.05–1.22) | 0.001 | 1.04 (0.96–1.12) | 0.351 | 1.10 (1.01–1.20) | 0.027 |
| DDS average score (≥2 vs. <2) | 1.21 (1.06–1.38) | 0.005 | 1.08 (0.94–1.23) | 0.287 | 1.16 (1.00–1.33) | 0.050 |
| DDS emotional distress | 1.11 (1.05–1.18) | 0.001 | 1.03 (0.97–1.10) | 0.303 | 1.07 (1.00–1.15) | 0.071 |
| DDS regimen-related distress | 1.09 (1.02–1.15) | 0.007 | 1.03 (0.97–1.09) | 0.310 | 1.07 (1.01–1.15) | 0.033 |
| DDS physician-related distress | 1.07 (1.00–1.14) | 0.054 | 1.03 (0.96–1.10) | 0.448 | 1.08 (1.00–1.16) | 0.058 |
| DDS interpersonal distress | 1.08 (1.01–1.15) | 0.016 | 1.00 (0.94–1.07) | 0.957 | 1.04 (0.96–1.11) | 0.334 |
| Joint model | ||||||
| PHQ-8 total score | 1.00 (0.99–1.02) | 0.734 | 1.01 (1.00–1.03) | 0.151 | 1.01 (1.00–1.02) | 0.494 |
| DDS average score | 1.12 (1.04–1.22) | 0.004 | 1.01 (0.93–1.10) | 0.775 | 1.09 (0.99–1.19) | 0.082 |
*Model 1, preplanned analyses, with adjustment for sex, race/ethnicity, randomized treatment group, and baseline values of age, duration of T2DM, BMI, and HbA1c.
**Model 2, post hoc analyses, with model 1 adjustments plus education and income.
Bold type represents P < 0.01.