Table 1.
Groups | Number | Mean | IQR | Range |
---|---|---|---|---|
Low scorers | 10 | 62 | (56, 67) | 49–70 |
Moderate scorers | 10 | 84 | (75, 92) | 71–96 |
High scorers | 10 | 112 | (104, 123) | 100–132 |
Total | 30 | 84 | (67, 104) | 49–132 |
Notes: χ2=323.771, P<0.001 (high scorers > moderate scorers > low scorers).
Abbreviation: IQR, interquartile range.