Table 1.
Baseline Demographics and Health Characteristics
| Depression Group
|
Control Group
|
p | |
|---|---|---|---|
| n = 286 | n = 193 | ||
| Mean age, y (SD) | 38.9(11.2) | 41.1 (10.7) | 0.03 |
| Male, No. (%) | 48 (16) | 51 (26) | 0.01 |
| Married, No. (%) | 119(42) | 121 (64) | <0.001 |
| White, No. (%) | 255 (89) | 178 (93) | 0.14 |
| Mean years of education (SD) | 14.2 (2.1) | 15.2(1.8) | <0.001 |
| Median annual earnings, dollars (IQR) | 33,800 (21,840) | 43,000 (35,256) | <0.001 |
| Mean weekly work hours (SD) | 38.1 (12.8) | 39.1 (13.3) | 0.40 |
| Self-employed, No. (%) | 19(7) | 25 (13) | 0.02 |
| Mean years on the job (SD) | 2.2 (1.1) | 2.5(1.2) | 0.002 |
| Company size, No. of employees (%) | |||
| <25 | 65 (23) | 45 (24) | 0.99 |
| 25–99 | 53(19) | 30 (16) | |
| 100–999 | 76 (27) | 52 (28) | |
| ≥1000 | 86(31) | 60 (32) | |
| Occupational group, No. (%) | |||
| Professional, administrative, managerial, technical | 137(48) | 110(57) | 0.04 |
| Sales, service, support | 127 (44) | 72 (37) | |
| Repairs, construction, production, transportation | 22(8) | 10(5) | |
| Mean No. of jobs since age 18 (SD) | 1.2(0.5) | 1.2(0.5) | 0.48 |
| Mean imputed demands (SD) | −0.1 (1.0) | 0.1 (1.0) | 0.02 |
| Mean depression symptom severity (SD) | 13.2 (5.5) | 2.8 (2.9) | <0.001 |
| Currently taking antidepressant, No. (%) | 127 (45) | 19(10) | <0.001 |
| Mean general mental health score (SD) | 33.4(10.1) | 52.1 (7.5) | <0.001 |
| Mean general physical health score (SD) | 48.0 (9.3) | 51.2(6.3) | <0.001 |
| Mean No. of comorbidities (SD) | 0.2 (0.4) | 0.1 (0.3) | 0.01 |
IQR indicates interquartile range.