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Pre-test and follow-up hepatitis knowledge scores.
| Group | Pre-testa | Follow-upa |
| Mean (SD) | Mean (SD) | |
| Tunneled group (n = 200) | 5.0 (3.3) | 8.2 (3.5) |
| Freedom of choice group (n = 193) | 5.4 (3.1) | 7.2 (3.5) |
| Control group (n = 178) | 5.4 (3.2) | 5.6 (3.3) |
a Maximum score is 15 points.
