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Summary of descriptive statistics and demographics for each year group
| Year group | Number of participants in group | Mean age (years) | SD age | Gender (% female) |
|---|---|---|---|---|
| Year 3 | 32 | 8.03 | 0.28 | 44 |
| Year 4 | 31 | 8.97 | 0.33 | 53 |
| Year 5 | 31 | 9.95 | 0.33 | 47 |
| Year 6 | 29 | 11.01 | 0.30 | 43 |
