Table 1. Baseline characteristics by depression status in the EpiDREAM study.
| Characteristics | Categories | All | Depression case | Nondepressed control | P-valuea |
|---|---|---|---|---|---|
| Sex n (%) | Female | 10 606 (60.9) | 2429 (75.7) | 8177 (57.6) | 1.079 × 10−93 |
| Male | 6798 (39.1) | 780 (24.3) | 6018 (42.4) | ||
| Glycemic status n (%) | Normal | 7443 (42.8) | 1442 (44.9) | 6001 (42.3) | 0.005 |
| IFG or IGT | 7395 (42.5) | 1341 (41.8) | 6054 (42.6) | ||
| Diabetes | 2566 (14.7) | 426 (13.3) | 2140 (15.1) | ||
| Age mean (s.d.) | 52.65 (11.37) | 51.08 (10.56) | 53.01 (11.521) | 6.917 × 10−20 | |
| BMI mean (s.d.) | 30.16 (6.22) | 31.58 (6.78) | 29.84 (6.04) | 4.648 × 10−40 | |
| Ethnicity n (%) | South Asian | 2760 (15.8) | 193 (6.0) | 2567 (18.1) | 1.980 × 10−93 |
| East Asian | 225 (1.3) | 23 (0.7) | 202 (1.4) | ||
| European | 9378 (53.9) | 1750 (54.5) | 7628 (53.7) | ||
| African | 1249 (7.2) | 227 (7.1) | 1022 (7.2) | ||
| Latin American | 3292 (18.9) | 914 (28.5) | 2378 (16.8) | ||
| Native North American | 500 (2.9) | 102 (3.2) | 398 (2.8) | ||
| Total | 17 404 (100) | 3209 (100) | 14 195 (100) |
Abbreviations: BMI, body mass index; IFG, impaired fasting glucose; IGT, impaired glucose tolerance.
a
P-values are reported for unadjusted univariable analyses (X2 or Student's t-tests).