| Age (yr) | 22 | 3.67±0.33 | 0.15(.855) |
| 23 | 3.62±0.38 |
| 24 | 3.62±0.43 |
| Grade | 3 | 3.70±0.30 | 1.15(.249) |
| 4 | 3.61±0.42 |
| Religion | Yes | 3.57±0.33 | 0.43(.662) |
| No | 3.55±0.37 |
| Experience of Ethics Education | Yes | 3.66±0.37 | 2.38(.018) |
| No | 3.50±0.49 |
| Reading time (min/wk) | Less than 30 | 3.53±0.33 | -1.65(.101) |
| More than 30 | 3.63±0.41 |
| Monthly reading (volum) | < 1 | 3.54±0.36 | 1.18(.306) |
| 1~2 | 3.63±0.37 |
| ≥3 | 3.59±0.62 |
| Books that you prefer to read | Novel, Essay, Poetry | 3.67±0.36 | 1.71(.148) |
| Magazines, Cartoons | 3.50±0.43 |
| History books, Travel books | 3.56±0.10 |
| Self-development | 3.67±0.43 |
| Other | 3.64±0.13 |