Table 3.
Model-based estimates of mean (SE) knowledge and attitude scores by seminar
| Seminar | Knowledge |
Attitudes |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Pre- | Post- | ta | df | p value | Pre- | Post- | ta | df | p value | |
| Kentucky | 9.2 (0.4) | 9.0 (0.2) | −1.16 | 128 | 0.247 | 36.8 (0.9) | 38.0 (1.1) | 1.29 | 193 | 0.200 |
| Ohio | –b | –b | –b | –b | –b | 36.3 (0.4) | 35.1 (0.5) | −2.80 | 193 | 0.006 |
| Pennsylvania | 7.5 (0.2) | 8.5 (0.1) | 3.00 | 189 | 0.003 | 35.1 (0.5) | 35.9 (0.5) | 1.60 | 263 | 0.111 |
| National | 8.0 (0.2) | 8.7 (0.1) | 3.41 | 145 | 0.001 | 34.8 (0.4) | 35.6 (0.6) | 1.50 | 216 | 0.134 |
a
t test of post–pre-difference
b
Ohio was omitted from the knowledge analysis, administrative error