Table 5.

Attitudes of patient's relatives towards participating in clinical studies if they were unconscious patients in ICU per demographic variables.

Demographic variables	Suppose you are an unconscious patient in ICU:
	Would you agree to participate in clinical study?				Who would you accept to provide informed consent on your behalf?				If the researcher want to make dual consent, where another person will share the consent decision on your behalf with your relatives, who you prefer to share the decision with your relatives?
	Agree	Neutral	Disagree	P value	First-degree relatives	Doctor	Informed consent is not necessary	P value	Sharing with another member from my relatives	Sharing with physician	P value
Gender
Male	76 (74.5%)	1 (1.0%)	25 (24.5%)	0.467	57 (55.9%)	15 (14.7%)	6 (5.9%)	0.690	39 (38.2%)	63 (37.8%)	0.538
Female	66 (80.5%)	0 (0.0%)	16 (19.5%)		48 (58.5%)	13 (15.9%)	7 (8.5%)		31 (61.8%)	51 (62.2%)
Age
18–30	21 (87.5%)	0 (0.0%)	3 (12.5%)	0.588	13 (54.2%)	3 (12.5%)	5 (20.8%)	0.107	10 (41.7%)	14 (58.3%)	0.934
31–40	41 (77.4%)	1 (1.9%)	11 (20.8%)		32 (60.4%)	11 (20.8%)	0 (0.0%)		19 (35.8%)	34 (64.2%)
41–50	40 (72.7%)	0 (0.0%)	15 (27.3%)		28 (50.9%)	8 (14.5%)	5 (9.1%)		20 (36.4%)	35 (63.6%)
>50	40 (76.9%)	0 (0.0%)	12 (23.1%)		32 (61.5%)	6 (11.5%)	3 (5.8%)		21 (40.4%)	31 (59.6%)
Education Status
Primary	17 (81.0%)	0 (0.0%)	4 (19.0%)	0.489	14 (66.7%)	1 (4.8%)	2 (9.5%)	0.678	7 (33.3%)	14 (66.7%)	0.149
Secondary	33 (82.5%)	1 (2.5%)	6 (15.0%)		24 (60.0%)	9 (22.5%)	2 (2.0%)		18 (45.0%)	22 (55.0%)
Diploma	28 (73.7%)	0 (0.0%)	10 (26.3%)		20 (52.6%)	7 (18.4%)	2 (5.3%)		19 (50.0%)	19 (50.0%)
University	64 (75.3%)	0 (0.0%)	21 (24.7%)		47 (55.3%)	11 (12.9%)	7 (8.2%)		26 (30.6%)	59 (69.4%)