Table 2.

Participants’ Health Status Related Characteristics

	n	(%)*
Presence of chronic diseases (n = 1652)
Yes**	304	18.4
No	1348	81.6
Status of surgery (n = 1652)
Yes***	642	38.9
No	1010	61.1
Hepatitis B immunity (n = 1652)
Yes	1490	90.2
No	162	9.8
Hepatitis A immunity (n = 1652)
Yes	1404	85.0
No	248	15.0
Hepatitis B carrier (n = 1652)
Yes	23	1.4
No	1629	98.6

*Column percentage.

**The most frequent responses in this group were “thyroid diseases,” “hypertension,” “diabetes,” and “asthma.”

***The most frequent responses in this group were “cesarean section,” “ear, nose, and throat surgery,” and “hernia surgery.”