Table 3.
Adjusted multivariate linear regression between each predictors and knowledge score.
| VARIABLE | PRETEST SCORE | PRETEST SCORE | CHANGE OF SCORE | |||
|---|---|---|---|---|---|---|
| βa | 95% Clb | βa | 95% Clb | βa | 95% Clb | |
| Years lived in Vietnam | ||||||
| <=20 years | Reference | Reference | Reference | |||
| 21–30 years | −0.20 | (−1.14, 0.74) | −0.71 | (−0.71, 1.21) | 0.45 | (−0.65, 1.55) |
| 31–40 years | 0.15 | (−1.00, 1.30) | −0.86 | (−0.86, 1.50) | 0.17 | (−1.18, 1.52) |
| >40 years | −0.39 | (−1.50, 0.71) | −0.58 | (−0.58, 1.69) | 0.95 | (−0.35, 2.24) |
| Missing | −0.23 | (−1.29, 0.82) | −0.96 | (−0.96, 1.20) | 0.35 | (−0.89, 1.59) |
| Age | 0.04 | (0.01, 0.06)*** | 0.00 | (−0.02, 0.03) | −0.03 | (−0.06, −0.00) |
| Gender | ||||||
| Male | Reference | Reference | Reference | |||
| Female | 0.35 | (−0.23, 0.94) | 0.66 | (0.06, 1.27)** | 0.31 | (−0.39, 1.00) |
| Household income | ||||||
| Less than $10,000 | Reference | Reference | Reference | |||
| $10,000–$19,999 | −0.67 | (−1.54, 0.20) | 0.40 | (−0.50, 1.29) | 1.07 | (0.04, 2.09)** |
| $20,000–$29,999 | −1.00 | (−2.02, 0.03)* | 0.42 | (−0.63, 1.47) | 1.42 | (0.21, 2.62)** |
| Above $30,000 | −0.64 | (−1.85, 0.56) | 0.84 | (−0.39, 2.07) | 1.48 | (0.07, 2.89)** |
| Missing | −0.99 | (−1.70, 0.29)*** | 0.28 | (−0.45, 1.00) | 1.27 | (0.44, 2.10)*** |
| Education | ||||||
| Less than high school | Reference | Reference | Reference | |||
| High school graduate | 0.81 | (0.07, 1.55)** | −0.11 | (−0.88, 0.65) | −0.92 | (−1.80, −0.05)** |
| University or above | 1.22 | (0.31, 2.12)*** | −0.23 | (−1.16, 0.69) | −1.45 | (−2.51, −0.39)*** |
| Missing | 0.27 | (−0.71, 1.25) | −1.17 | (−2.17, −0.16)** | −1.44 | (−2.59, −0.28)** |
| Language spoken by physician | ||||||
| Vietnamese | Reference | Reference | Reference | |||
| English or both | −1.00 | (−1.71, −0.28)*** | −0.26 | (−0.99, −0.48) | 0.74 | (−0.10, 1.58)* |
| Missing | −0.66 | (−1.52, 0.21) | −0.30 | (−1.18, 0.59) | 0.36 | (−0.66, 1.37) |
| Language spoken at home | ||||||
| Vietnamese | Reference | Reference | Reference | |||
| English or both | 0.20 | (−0.71, 1.12) | −0.71 | (−1.64, 0.23) | −0.91 | (−1.98, 0.16)* |
| Family history of HCV | ||||||
| No | Reference | Reference | Reference | |||
| Yes | 0.68 | (−0.23, 1.59) | −0.72 | (−1.65, 1.59) | −1.40 | (−2.46, −0.33)** |
| Don’t know | −0.64 | (−1.57, 0.29) | −1.04 | (−1.57, 0.29)** | −0.40 | (−1.48, 0.69) |
Notes:
a
β-coefficient from linear regression.
b
95% confidence interval.
*
P ≤ 0.10,
**
P ≤ 0.05, and
***
P ≤ 0.01.