TABLE 2.
Awareness and Knowledge of Vietnamese-American Parents by Site, at Preintervention (1998) and Postintervention (2000), (95% CIs)
| Variable | Community Mobilization at Preintervention (N = 500) | Community Mobilization at Postintervention (N = 523) | χ2 Test of Change Compared to Control (P Value) | Media Education Campaign at Preintervention ( N = 505) | Media Education Campaign at Postintervention (N = 521) | χ2 Test of Change Compared to Control (P Value) | Control at Preintervention (N = 503) | Control at Postintervention (N = 503) |
|---|---|---|---|---|---|---|---|---|
| Awareness | ||||||||
| Knew someone with liver disease | 32.4 (28.3,36.5) | 32.1 (28.1,36.1)
−0.3 |
−7.1 (.09) | 32.5 (28.4,36.6) | 33.8 (29.7,37.9)
+1.3 |
−5.5 (.19) | 30.2 (26.2,34.2) | 37.0 (32.8,41.2)
+6.8** |
| Had heard about HBV infection§ | 46.2 (41.8,50.6) | 52.2 (47.9,56.5)
+6.0* |
−3.0 (.50) | 54.9 (50.6,59.2) | 76.4 (72.8,80.0)
+21.5*** |
12.5 (.00) | 49.9 (45.5,54.3) | 58.9 (54.6,63.2)
+9.0*** |
| Knew that free hepatitis B shots were availableठ| 20.0 (16.5,23.5) | 36.7 (32.5,40.9) +16.7*** | 12.0 (.00) | 25.9 (22.1,29.7) | 57.2 (53.0,61.4) +31.9*** | 26.6 (.00) | 24.1 (20.4,27.8) | 28.8 (24.8,32.8) +4.7 |
| Correct knowledge | ||||||||
| Agreed that one can get hepatitis B from | ||||||||
| Sharing a toothbrush | 48.0 (43.6,52.4) | 65.2 (61.1,69.3)
+17.2*** |
+0.5 (.91) | 52.3 (48.0,56.6) | 63.0 (58.9,67.1)
+10.7*** |
+7.0 (.11) | 45.3 (41.0,49.7) | 63.0 (58.8,67.2)
+17.7*** |
| Sexual intercourse | 30.0 (26.0,34.0) | 43.6 (39.3,47.9)
+13.6*** |
8.4 (.05) | 32.5 (28.5,36.5) | 46.5 (42.2,50.8)
+14.0*** |
8.8 (.04) | 36.6 (32.4,40.8) | 41.8 (37.5,46.1)
+5.2** |
| Agreed that hepatitis B causes | ||||||||
| Liver cancer | 64.8 (60.5,69.0) | 77.1 (73.5,80.7)
+12.3*** |
−2.3 (.57) | 69.3 (65.3,73.3) | 81.4 (78.1,84.7)
+12.1*** |
−2.5 (.52) | 63.4 (59.2,67.6) | 78.0 (74.4,81.6)
+14.6*** |
| Incorrect knowledge | ||||||||
| Agreed that one can get hepatitis B from: | ||||||||
| Smoking cigarettes | 36.0 (31.8,40.2) | 37.3 (33.1,41.5)
+1.3 |
−3.5 (.41) | 35.8 (31.7,39.9) | 38.4 (34.2,42.6)
+2.6 |
−2.2 (.60) | 32.2 (28.1,36.3) | 37.0 (32.8,41.2)
+4.8 |
| Exposure to another’s coughing/sneezing | 46.0 (41.6,50.4) | 43.6 (39.3,47.9)
−2.4 |
−8.0 (.07) | 41.4 (37.2,45.6) | 40.9 (36.7,45.1)
−0.5 |
−6.1 (.16) | 36.6 (32.4,40.8) | 42.2 (37.9,46.5)
+5.6 |
| Agreed that hepatitis B causes: | ||||||||
| Lung cancer | 28.4 (24.4,32.4) | 30.8 (26.8,34.8)
+2.4 |
−2.3 (.56) | 25.2 (21.5,28.9) | 26.7 (22.9,30.5)
+1.5 |
−3.2 (.41) | 22.3 (18.7,25.9) | 27.0 (23.1,30.9)
+4.7 |
Bold numbers indicate estimated percentage differences from pre- to postintervention (post- minus pre-).
‡
Comparison of 3 sites at preintervention by χ2 test, P < .01.
§
Comparison of 3 sites at postintervention by χ2 test, P < .001.
*
Comparison between pre- and postintervention by χ2 test, P < .05.
**
Comparison between pre- and postintervention by χ2 test, P < .01.
**
* Comparison between pre- and postintervention by χ2 test, P < .001.