Table 1.
Descriptive statistics of 601 subjects used in analyses
| Age | |||||||||
| Male | Female | Total | |||||||
| N | M + SD | Min + Max | N | M + SD | Min + Max | N | M + SD | Min + Max | |
| School Year 3 | 91 | 7.74 ± 0.548 | 6.78, 8.75 | 96 | 7.65 ± 0.661 | 6.48, 9.25 | 187 | 7.69 ± 0.609 | 6.48, 9.25 |
| School Year 4 | 103 | 8.68 ± 0.598 | 7.60, 9.86 | 105 | 8.76 ± 0.593 | 7.61, 9.89 | 208 | 8.72 ± 0.595 | 7.60, 9.89 |
| School Year 5 | 106 | 9.62 ± 0.521 | 8.11, 10.8 | 100 | 9.77 ± 0.537 | 8.75, 10.8 | 206 | 9.70 ± 0.534 | 8.11, 10.8 |
| Total | 300 | 8.73 ± 0.942 | 6.78, 10.8 | 301 | 8.74 ± 1.05 | 6.48, 10.8 | 601 | 8.74 ± 0.995 | 6.48, 10.8 |
| Ethnicity | |||||||||
| Male (n = 300) | Female (n = 301) | TOTAL (n = 601) | |||||||
| Maori | 17 (5.7%) | 22 (7.3%) | 39 (%6.5) | ||||||
| Pacific Island | 12 (4%) | 13 (4.3%) | 25 (4.2%) | ||||||
| Asian | 34 (11.3%) | 65 (21.6%) | 99 (16.5%) | ||||||
| Other | 8 (2.7%) | 11 (3.7%) | 19 (3.2%) | ||||||
| NZ European | 229 (76.3%) | 190 (63.1%) | 419 (69.7%) | ||||||
| Total | 300 (100%) | 301 (100%) | 601 (100%) | ||||||
| Decile | |||||||||
| Decile 3 | 23 (7.7%) | 18 (6.0%) | 41 (6.8%) | ||||||
| Decile 4 | 7 (2.3%) | 13 (4.3%) | 20 (3.3%) | ||||||
| Decile 5 | 14 (4.7%) | 33 (11.0%) | 47 (7.8%) | ||||||
| Decile 6 | 42 (14.0%) | 47 (15.6%) | 89 (14.8%) | ||||||
| Decile 7 | 44 (14.7%) | 44 (14.6%) | 88 (14.6%) | ||||||
| Decile 8 | 61 (20/3%) | 46 (15.3%) | 107 (17.8%) | ||||||
| Decile 9 | 46 (15.3%) | 38 (12.6%) | 84 (14.0%) | ||||||
| Decile 10 | 63 (21.0%) | 62 (20.6%) | 125 (20.8%) | ||||||
| Total | 300 (100%) | 301 (100%) | 601 (100%) | ||||||
| School year | |||||||||
| Year 3 | 91 (30.3%) | 96 (31.9%) | 187 (31.1%) | ||||||
| Year 4 | 103 (34.3%) | 105 (34.9%) | 208 (34.6%) | ||||||
| Year 5 | 106 (35.3%) | 100 (33.2%) | 206 (34.3%) | ||||||
| Total | 300 (100%) | 301 (100%) | 601 (100%) | ||||||