Table 1.
Pre-donation characteristics of the KDOC living kidney donors (LKDs), transplant recipients (KTRs), and healthy controls (HCs)
| Variable | LKDs (n=193) |
KTRs (n=152) |
HCs (n=20) |
|---|---|---|---|
| Sociodemographic characteristics | |||
| Age, yrs, mean (SD) | 42.6 (11.8) | 51.1 (14.1) | 41.1 (15.0) |
| Sex, female | 122 (63%) | 61 (40%) | 12 (60%) |
| Race, White, non-Hispanic | 147 (76%) | 116 (76%) | 14 (70%) |
| Education, college or professional degree | 98 (51%) | 69 (45%) | 10 (50%) |
| Marital status, married/partnered | 99 (51%) | 99 (65%) | 11 (55%) |
| Work status, employed | 152 (79%) | 71 (47%) | 15 (75%) |
| Health insurance, yes | 172 (89%) | – | 18 (90%) |
| Life insurance, yes | 122 (63%) | – | 8 (40%) |
| Household income, ≥ $50,000 | 123 (64%) | 85 (56%) | 10 (50%) |
| Register organ and tissue donor, yes | 127 (66%) | – | 13 (65%) |
| Clinical characteristics | |||
| History of mood disorder, yes | 46 (24%) | – | 1 (5%) |
| History of substance abuse (remission), yes | 11 (6%) | – | 3 (15%) |
| Prescribed psychiatric medication, yes | 33 (17%) | – | 0 (%) |
| Body mass index, mean (sd) | 27.1 (3.8) | – | 27.1 (3.2) |
| SF-36 physical health component, mean (SD) | 57.2 (4.9) | 41.0 (9.8) | 56.2 (4.6) |
| SF-36 mental health component, mean (SD) | 54.3 (6.5) | 47.7 (10.4) | 53.2 (10.7) |
| LOT-R optimism, mean (SD) | 17.5 (3.7) | – | 18.3 (3.9) |
| Dialysis, yes | – | 87 (57%) | – |
| Donation-related variables | |||
| Relationship to recipient/donor | |||
| Biological | 111 (58%) | 83 (55%) | 7 (35%) |
| Spouse | 32 (17%) | 31 (20%) | 3 (15%) |
| Unrelated | 50 (26%) | 38 (25%) | 10 (50%) |
| Emotional closeness with recipient, mean (SD) | 5.8 (1.7) | – | 4.0 (2.5) |
| Living donation knowledge, mean (SD) | 12.9 (1.1) | – | 12.7 (1.7) |
| Living donation concerns, mean (SD) | 29.4 (7.7) | – | 30.2 (6.5) |
| Pressure from others to donate, yes | 19 (10%) | – | 3 (15%) |
| Convenience of donation, mean (SD) | 3.2 (1.2) | – | – |