Table 1.
Participant characteristics by case–control status a.
| Characteristics | Cases b (LDKTs) n = 672 | Controls b (DDKTs) n = 565 | Chi2 Comparing Cases and Controls | |
|---|---|---|---|---|
| Sex | Male | 382 (57) | 322 (57) | p = 0.95 |
| Female | 279 (42) | 235 (42) | ||
| Missing | 11 (2) | 8 (1) | ||
| Age (years) | 20–29 | 47 (7) | 27 (5) | p = 0.39 |
| 30–39 | 80 (12) | 57 (10) | ||
| 40–49 | 106 (16) | 102 (18) | ||
| 50–59 | 178 (27) | 153 (27) | ||
| 60–69 | 167 (25) | 132 (23) | ||
| >70 | 77 (12) | 79 (14) | ||
| Missing | 17 (3) | 15 (3) | ||
| Ethnicity | White | 581 (87) | 445 (79) | p = 0.005 |
| Asian | 38 (6) | 41 (7) | ||
| Black/African/Caribbean | 19 (3) | 39 (7) | ||
| Mixed/Multiple | 5 (0.7) | 5 (0.9) | ||
| Other | 10 (2) | 14 (3) | ||
| Missing | 19 (3) | 21 (4) | ||
| Religion | No religion | 191 (28) | 144 (26) | p = 0.01 |
| Christian | 402 (60) | 315 (56) | ||
| Muslim | 10 (2) | 11 (2) | ||
| Other religions c | 37 (6) | 56 (10) | ||
| Missing | 22 (3) | 39 (7) | ||
| Highest level of education | No formal education/Primary school | 10 (2) | 20 (4) | p = 0.03 |
| Secondary school | 202 (30) | 191 (34) | ||
| Vocational/Technical | 171 (26) | 143 (25) | ||
| University-undergraduate | 145 (22) | 98 (17) | ||
| University-postgraduate | 73 (11) | 46 (8) | ||
| Other | 33 (5) | 24 (4) | ||
| Missing | 38 (6) | 43 (8) | ||
a The three participants for whom transplant type/case–control status was missing are excluded from this table. b Percentages may not total 100% due to figures being presented to the nearest whole number. c Hindu, Jewish, Sikh, Buddhist and Other combined due to single participant responders in some groups risking identification.