Knowledge, Attitudes, and Motivations towards Blood Donation among King Abdulaziz Medical City Population

Table 3

Association between demographic characteristics of the participants and their attitude towards blood donation.

Demographic characteristics	Blood donation attitude		value
	score (4–20)
	Median	Mean rank
Age (years)
<20	15	141.0	0.117^♦
20–30	16	173.2
31–50	16	185.7
>50	16	169.3
Gender
Males	16	197.5	<0.001^*
Females	16	155.7
Marital status
Single	16	153.8	0.007^*
Married	16	184.6
Level of education
Illiterate	16	149.2	0.320^♦
Below high school	16	183.9
High school	16	181.3
University graduates	16	174.0
Postgraduate	14	130.9
Occupation
Military	17	204.6	<0.001^♦
Civil	16	179.6
Student	15	130.4
Unemployed	16	165.4

Mann-Whitney test.
^♦Kruskal-Wallis test.