Table 1.
Demographics and characteristics.
| Characteristic | Oxaloacetate (N = 42) | Control (N = 40) |
|---|---|---|
| Age (years) | ||
| Mean (SD) | 44.2 (12.63) | 45.8 (11.71) |
| Median (Q1, Q3) | 43.5 (35.0, 56.0) | 45.0 (35.5, 55.0) |
| Min, Max | 20, 65 | 27, 64 |
| Sex | ||
| Female | 34 (81.0%) | 32 (80.0%) |
| Male | 8 (19.0%) | 8 (20.0%) |
| Ethnicity | ||
| Hispanic or Latino | 4 (9.5%) | 1 (2.5%) |
| Not Hispanic or Latino | 38 (90.5%) | 36 (90.0%) |
| Unknown | 0 | 1 (2.5%) |
| Not reported | 0 | 1 (2.5%) |
| Missing | 0 | 1 (2.5%) |
| Race | ||
| White | 39 (92.9%) | 39 (97.5%) |
| Multiple | 3 (7.1%) | 0 |
| Missing | 0 | 1 (2.5%) |
| Duration of ME/CFS | ||
| 3 to 6 months | 2 (4.8%) | 2 (5.0%) |
| 6 months to 1 year | 4 (9.5%) | 4 (10.0%) |
| 1 to 2 years | 5 (11.9%) | 5 (12.5%) |
| 2 to 3 years | 3 (7.1%) | 8 (20.0%) |
| 3 to 4 years | 3 (7.1%) | 1 (2.5%) |
| 4 to 5 years | 1 (2.4%) | 2 (5.0%) |
| 5 to 6 years | 6 (14.3%) | 3 (7.5%) |
| 6 to 7 years | 1 (2.4%) | 5 (12.5%) |
| 7 to 8 years | 2 (4.8%) | 1 (2.5%) |
| 8 to 9 years | 2 (4.8%) | 1 (2.5%) |
| 9 to 10 years | 2 (4.8%) | 0 |
| > 10 years | 11 (26.2%) | 7 (17.5%) |
| Missing | 0 | 1 (2.5%) |
| Marital status | ||
| Married or living with a partner | 26 (61.9%) | 25 (62.5%) |
| Separated | 0 | 1 (1.2%) |
| Divorced | 5 (11.9%) | 7 (17.5%) |
| Widowed | 0 | 1 (2.5%) |
| Never married | 11 (26.2%) | 5 (12.5) |
| Missing | 0 | 1 (2.5%) |
| Education level | ||
| High school graduate | 5 (11.9%) | 1 (2.5%) |
| GED or equivalent | 1 (2.4%) | 0 |
| Some college, no degree | 6 (14.3%) | 8 (20.0%) |
| Associate degree: occupational | 4 (9.5%) | 4 (10.0%) |
| Associate degree: academic | 2 (4.8%) | 4 (10.0%) |
| Bachelor’s degree | 11 (26.2%) | 13 (32.5%) |
| Master’s degree | 8 (19.0%) | 6 (15.0%) |
| Professional school degree | 2 (4.8%) | 1 (2.5%) |
| Doctoral degree | 0 | 1 (2.5%) |
| Refused | 3 (7.1%) | 1 (2.5%) |
| Missing | 0 | 1 (2.5%) |
| Number of children | ||
| 0 | 15 (35.7%) | 11 (27.5%) |
| 1 | 4 (9.5%) | 3 (7.5%) |
| 2 | 9 (21.4%) | 10 (25.0%) |
| 3 | 8 (19.0%) | 8 (20.0%) |
| 4 or more | 4 (9.5%) | 6 (15.0%) |
| Missing | 2 (4.8 T) | 2 (5.0%) |
| Working status | ||
| Working now | 15 (35.7%) | 14 (35.0%) |
| Only temporarily laid off | 1 (2.4%) | 1 (2.5%) |
| Looking for work, unemployed | 2 (4.8%) | 2 (5.0%) |
| Retired | 2 (4.8%) | 1 (2.5%) |
| Disabled | 13 (31.0%) | 15 (37.5%) |
| Keeping house | 5 (11.9%) | 4 (10.0%) |
| Student | 1 (2.4%) | 0 |
| Other | 3 (7.1%) | 2 (2.5%) |
| Missing | 0 | 1 (2.5%) |