Demographic and socioeconomic characteristics of the 2000/2001 NPHS participants who did not have MDE from 1994 to 2001 (n=9589)
| Variables | n (weighted percentage) |
| Men | 4433 (49.7%) |
| Women | 5156 (50.3%) |
| Mean age (standard error) | 46.0 (0.24) |
| Married, common-law | 5856 (63.8%) |
| Divorced, separated, widowed | 1919 (20.0%) |
| Single, never married | 1814 (16.2%) |
| Worked in the past year | 6527 (72.9%) |
| Not worked in the past year | 3010 (26.5%) |
| (Missing baseline data) | 52 (0.6%) |
| Full-time work | 5596 (84.1%) |
| Part-time work | 931 (15.9%) |
| <13 years education | 3588 (34.5%) |
| 13+ years education | 5982 (65.2%) |
| (Missing baseline data) | 19 (0.3%) |
| Personal income | |
| $0–$29 999 | 5012 (48.2%) |
| $30 000–$59 999 | 2771 (29.9%) |
| $60 000 | 1046 (13.1%) |
| (Missing baseline data) | 760 (8.8%) |
| Household income | |
| Low income | 1060 (8.4%) |
| Mid/high income | 7710 (82.1%) |
| (Missing baseline data) | 819 (9.5%) |
| Financial strain | |
| Yes | 2283 (23.0%) |
| No | 7248 (76.5%) |
| (Missing baseline data) | 58 (0.5%) |
| Self-rated health | |
| Fair/poor | 1059 (9.3%) |
| Good/excellent | 8529 (90.7%) |
| (Missing baseline data) | 1 |