Knowledge and attitudes toward organ donation and transplantation among medical students in Greece: A cross-sectional survey

Table 3 Results of logistic regression analyses examining factors associated with knowledge and attitude items of the questionnaire

Predictors	Dependent variables/outcomes [OR (95%CI), unadjusted P value, adjusted P value]
Independent variables	Willingness to donate after death (yes vs no)	Willingness to become a living organ donor (yes vs no)	Donor card possession (yes vs no)	Correct knowledge of deceased donor organs (correct vs wrong)	Correct knowledge of living donor organs (correct vs wrong)	Perceived quality of graft per donor type (living is better vs no difference)	Perceived sufficiency of HTO efforts (yes vs no)
Residence (big city vs rural)	0.82 (0.49-1.34), P = 0.43, adjusted P = 0.77	0.78 (0.46-1.33), P = 0.36, adjusted P = 0.81	1.55 (0.62-4.49), P = 0.38, adjusted P = 0.77	0.94 (0.49-1.86), P = 0.84, adjusted P = 0.95	1.02 (0.63-1.63), P = 0.94, adjusted P = 0.96	1.28 (0.67-2.44), P = 0.45, adjusted P = 0.45	1.04 (0.63-1.73), P = 0.89, adjusted P = 0.95
Residence (small city vs rural)	0.91 (0.52-1.59), P = 0.75, adjusted P = 0.93	1.04 (0.58-1.88), P = 0.89, adjusted P = 0.35	0.97 (0.31-3.22), P = 0.96, adjusted P = 0.96	0.81 (0.37-1.76), P = 0.58, adjusted P = 0.88	0.79 (0.47-1.34), P = 0.39, adjusted P = 0.77	0.94 (0.45-1.96), P = 0.87, adjusted P = 0.87	1.16 (0.66-2.03), P = 0.61, adjusted P = 0.89
Semester (clinical vs preclinical)	1.54 (1.05-2.62), P = 0.028, adjusted P = 0.16	0.68 (0.45-1.05), P = 0.80, adjusted P = 0.26	1.83 (0.76-4.89), P = 0.20, adjusted P = 0.64	1.14 (0.66-2.02), P = 0.64, adjusted P = 0.90	1.20 (0.83-1.76), P = 0.32 adjusted P = 0.77	1.54 (0.90-2.65), P = 0.11, adjusted P = 0.11	0.96 (0.65-1.43), P = 0.84, adjusted P = 0.95
Specialty preference (surgical vs non-surgical)	0.92 (0.56-1.52), P = 0.75, adjusted P = 0.93	1.14 (0.65-2.00), P = 0.66, adjusted P = 0.82	0.48 (0.20-1.11), P = 0.092, adjusted P = 0.38	0.88 (0.44-1.73), P = 0.70 adjusted P = 0.93	0.79 (0.49-1.28), P = 0.34, adjusted P = 0.77	2.15 (1.09-4.22), P = 0.028, adjusted P = 0.027	0.58 (0.36-0.94), P = 0.027, adjusted P = 0.16
Discussion with friends and family (yes vs no)	2.38 (1.64-3.47), P = 5.94 × 10-6, adjusted P < 0.001	0.77 (0.51-1.18), P = 0.24, adjusted P = 0.86	3.93 (1.49-13.59), P = 0.012, adjusted P = 0.10	1.17 (0.67-2.09), P = 0.59, adjusted P = 0.88	1.25 (0.87-1.82), P = 0.23, adjusted P = 0.64	0.72 (0.42-1.22), P = 0.22, adjusted P = 0.22	1.19 (0.81-1.78), P = 0.38, adjusted P = 0.77
Relative who has undergone organ transplantation or is waiting for a compatible graft (yes vs no)	0.88 (0.57-1.38), 0.59, adjusted P = 0.88	1.65 (1.03-2.64), P = 0.038, adjusted P = 0.26	0.77 (0.32-1.69), P = 0.53, adjusted P = 0.88	1.33 (0.72-2.35), P = 0.34, adjusted P = 0.77	1.10 (0.71-1.70), P = 0.68, adjusted P = 0.92	1.01 (0.55-1.87), P = 0.97, adjusted P = 0.97	0.85 (0.53-1.32), P = 0.47, adjusted P = 0.81
Blood donation (yes vs no)	1.40 (0.96-2.06), 0.082, adjusted P = 0.38	1.23 (0.82-1.86), P = 0.32, adjusted P = 0.55	1.82 (0.93-3.62), P = 0.084, adjusted P = 0.38	1.24 (0.73-2.07), P = 0.42, adjusted P = 0.77	1.06 (0.73-1.52), P = 0.77, adjusted P = 0.93	0.94 (0.57-1.55), P = 0.80, adjusted P = 0.80	0.61 (0.41-0.89), P = 0.012, adjusted P = 0.10
Acknowledgment of HTO (yes vs no)	1.40 (0.88-2.25), 0.16, adjusted P = 0.59	1.69 (1.05-2.74), P = 0.032, adjusted P = 0.50	6.60 (3.25-13.91), P = 3.03 × 10-7, adjusted P < 0.001	1.44 (0.80-2.55), P = 0.23, adjusted P = 0.64	1.26 (0.82-1.98), P = 0.30, adjusted P = 0.77	1.63 (0.92-2.88), P = 0.093, adjusted P = 0.094	2.21 (1.43-3.41), P = 0.0034, adjusted P = 0.01

Big city: City with over 100000 inhabitants, small city: City with less than 100000 inhabitants. OR: Odds ratio; 95%CI: 95% confidence interval; HTO: Hellenic Transplant Organization.