TABLE 3.

Hepatitis B Awareness and Knowledge Among Vietnamese Respondents by Region

	Dallas (n = 500)	Houston (n = 505)	Washington, DC (n = 503)	Total (n = 1508)
Ever heard of liver disease (%)*	41.8	52.9	45.7	46.8
Ever known someone with liver disease (%)	32.4	32.5	30.2	31.7
Ever heard about hepatitis B virus infection (%)	46.2	54.9	49.9	50.3
Knew free hepatitis B shots are available (%)†	20.0	25.9	24.1	23.3
Agreed can get hepatitis B from (%):
Smoking cigarettes	36.0	35.8	32.2	34.7
Sharing a toothbrush	48.0	52.3	45.3	48.5
Sexual intercourse	30.0	32.5	32.0	31.5
Exposure to another’s sneezing/coughing†	46.0	41.4	36.6	41.3
Agreed hepatitis B infection can cause (%):
Lung cancer	28.4	25.2	22.3	25.3
Liver cancer	64.8	69.3	63.4	65.8
Median knowledge index score (range: 0–7)	2	3	2	2

^*Comparison of 3 sites by chi square test, P = .015;

^†P = .003.