Table 4.

Changes in mean knowledge of hepatitis B virus infection from baseline, post-education, and 6-month follow-up, Baltimore Washington Metropolitan Areas, 2009-2010

	Baseline (T1)	Post- education (T2)	6-month (T3)	Change from Tl toT2	Change from Tlto T3
	Transmission mode
Total (n=877)a
Intervention	4.57	8.75	6.64 4.18		2.07
Control	4.54	N/A	5.17		0.63
Chinese (n=303)
Intervention	4.87	8.79	7.00	3.91	2.13
Control	5.01	N/A	5.58		0.57
Korean (n=294)
Intervention	4.13	8.80	5.91	4.68	1.78
Control	4.08	N/A	4.73		0.65
Vietnamese (n=280)
Intervention	4.70	8.64	7.03	3.94	2.33
Control	4.52	N/A	5.19		0.67
	Sequelae
Total (n=877)
Intervention	3.93	5.99	5.12	2.07	1.19
Control	3.89	N/A	4.49		0.60
Chinese (n=303)
Intervention	4.23	6.42	5.47	2.19	1.24
Control	4.58	N/A	5.16		0.59
Korean (n=294)
Intervention	3.41	5.64	4.53	2.22	1.12
Control	3.48	N/A	4.27		0.79
Vietnamese (n=280)
Intervention	4.14	5.92	5.35	1.77	1.21
Control	3.58	N/A	3.99		0.41

Note. p < 0.001 for all;

^aIntent-to-treat method