Blood Donation Knowledge, Perceptions, and Practices during COVID-19 Pandemic: Questionnaire-Based Study in Saudi Arabia

Table 2

Health status of study participants ().

Variables	Responses
	Yes	No	95%, CI
	(no./%)	(no./%)
(i) Smoking status	66 (21.0)	248(79.0)	16.5-25.5
(ii) Hematological disease	18(5.7)	296(94.3)	3.1-8.3
(iii) Any immune diseases?	11(3.5)	303(96.3)	1.5-5.5
(iv) Any metabolic syndromes?	62(19.7)	25.2(80.3)	15.3-24.1
(v) Infectious diseases	3(1.0)	311(99.0)	0.1-2.1

95%, CI: for the proportion of the participants with health condition.