| Reasons | It is of no importance | A little bit important | Moderately important | Somewhat important | Very important | Statistical evaluation | |
| N (%) | N (%) | N (%) | N(%) | N (%) | χ2 | p | |
| Religious reasons | |||||||
| Grade 1 students | 12 (21) | 10 (17) | 10 (17) | 11 (19) | 15 (26) | 0.546 | 0.708 |
| Grade 4 students | 12 (16) | 13 (18) | 15 (20) | 15 (20) | 19 (26) | ||
| Unwillingness to think about death | |||||||
| Grade 1 students | 24 (41) | 7 (12) | 9 (16) | 8 (14) | 10 (17) | 2.141 | 0.436 |
| Grade 4 students | 23 (31) | 13 (18) | 11 (15) | 14 (19) | 13 (179) | ||
| The opinion that his/her organs will be transplanted to those that he/she does not want | |||||||
| Grade 1 students | 39 (67) | 4 (7) | 3 (5) | 6 (10) | 6 (10) | 5.921 | 0.879 |
| Grade 4 students | 41 (55) | 13 (18) | 8 (11) | 8 (11) | 4 (5) | ||
| The opinion that an available recipient will not be found and the organs will be discarded | |||||||
| Grade 1 students | 22 (38) | 12 (20) | 8 (14) | 8 (14) | 8 (14) | 1.827 | 0.296 |
| Grade 4 students | 26 (35) | 11 (159) | 10 (13) | 11 (15) | 16 (22) | ||
| The opinion that the organ will not be transplanted and may be used for medical research | |||||||
| Grade 1 students | 19 (33) | 10 (17) | 12 (21) | 3 (5) | 14 (24) | 4.148 | 0.424 |
| Grade 4 students | 23 (31) | 11 (15) | 9 (12) | 10 (14) | 21 (28) | ||
| The opinion that the body will be disfigured after removal of the organ | |||||||
| Grade 1 students | 25 (43) | 12 (21) | 5 (9) | 9 (15) | 7 (12) | 3.904 | 0.759 |
| Grade 4 students | 28 (38) | 16 (22) | 13 (17) | 6 (8) | 11 (15) | ||
| The notion that the decision about their death would be rendered earlier because of organ removal | |||||||
| Grade 1 students | 20 (34) | 6 (10) | 10 (17) | 6 (10) | 16 (28) | 3.263 | 0.522 |
| Grade 4 students | 17 (23) | 13 (17) | 16 (22) | 6 (8) | 22 (30) | ||
| Preference to maintain body integrity | |||||||
| Grade 1 students | 14 (24) | 3 (5) | 10 (17) | 7 (12) | 24 (42) | 5.732 | 0.944 |
| Grade 4 students | 10 (14) | 10 (14) | 17 (23) | 12 (16) | 25 (34) | ||
| Opinion that there are few patients waiting for organ transplantation | |||||||
| Grade 1 students | 33 (57) | 10 (17) | 11 (19) | 1 (2) | 3 (5) | 7.720 | 0.089 |
| Grade 4 students | 32 (43) | 18 (24) | 9 (12) | 8 (11) | 7 (10) | ||
| Concerns about organ trafficking | |||||||
| Grade 1 students | 17 (29) | 10 (17) | 6 (11) | 7 (12) | 18 (31) | 5.663 | 0.576 |
| Grade 4 students | 15 (20) | 10 (14) | 19 (25) | 10 (14) | 20 (27) | ||
| The opinion that his/her burial might be delayed | |||||||
| Grade 1 students | 22 (38) | 5 (9) | 7 (12) | 8 (14) | 16 (27) | 3.232 | 0.942 |
| Grade 4 students | 22 (30) | 13 (17) | 12 (16) | 10 (14) | 17 (23) | ||