| Iron group (n = 10) | Placebo group (n = 10) |
---|---|---|
Age (years) | Â | Â |
  Mean (SD) | 32.2 (10.4) | 31.7 (10.8) |
  Range | 21-58 | 22-59 |
Gender [n] | Â | Â |
  Male | 3 | 4 |
  Female | 7 | 6 |
Highest education level [n (%)] | Â | Â |
  GCSE | 1 (10) | 0 |
  A level | 2 (20) | 4 (40) |
  First degree or professional qualification |  |  |
 | 4 (40) | 3 (30) |
  Higher degree | 3 (30) | 3 (30) |
Job title [n (%)] | Â | Â |
  Undergraduate student | 4 (40) | 3 (30) |
  PhD student | 2 (20) | 1 (10) |
  Secretary | 1 (10) | 0 |
  Retired teacher | 0 | 1 (10) |
  Dietician | 3 (30) | 2 (20) |
  Research fellow | 0 | 2 (20) |
  Clinician | 0 | 1 (10) |