Table 2.
Mean raw scores on KINDL subscales: Student report by grade
| Mean | Standard deviation | |||
| Grade | T1 | T2 | T1 | T2 |
| Family | ||||
| 10th | 71.5 | 72.1 | 20.3 | 19.7 |
| 8th | 76.2 | 74.8 | 17.7 | 19.1 |
| 6th | 79.4 | 81.7 | 15.1 | 15.2 |
| 4th | 81.7 | 82.7 | 16.1 | 14.1 |
| 1Total | 77.2 | 77.8 | 17.9 | 17.7 |
| Friends | ||||
| 10th | 73.2 | 74.4 | 16.6 | 16.2 |
| 8th | 74.9 | 75.9 | 15.7 | 16.4 |
| 6th | 77.4 | 78.9 | 16.6 | 16.3 |
| 2Total | 75.1 | 76.4 | 16.4 | 16.4 |
| School | ||||
| 10th | 58.6 | 60.2 | 19.3 | 18.6 |
| 8th | 65.6 | 65.2 | 17.6 | 16.9 |
| 6th | 70.1 | 70.3 | 16.5 | 16.7 |
| 2Total | 64.4 | 65.0 | 18.6 | 18.0 |
| Emotional well-being | ||||
| 10th | 74.0 | 74.1 | 16.0 | 16.3 |
| 8th | 77.4 | 77.5 | 14.1 | 15.5 |
| 6th | 77.1 | 80.5 | 14.3 | 13.1 |
| 2Total | 76.0 | 77.2 | 15.0 | 15.3 |
| Self-esteem | ||||
| 10th | 53.7 | 54.3 | 19.2 | 20.4 |
| 8th | 56.2 | 55.3 | 19.7 | 21.3 |
| 6th | 57.4 | 57.8 | 18.8 | 19.0 |
| 4th | 56.0 | 55.8 | 20.5 | 21.1 |
| 1Total | 55.7 | 55.8 | 19.6 | 20.5 |
Sample size for 10th, 8th, 6th, 4th grade at T1: 494, 374, 434, 488.
Sample size for 10th, 8th, 6th, 4th grade at T2: 493, 377, 437, 490.
T1 = at baseline; T2 = at 6-month follow-up
1Total N : T1 = 1790; T2 = 1797.
2Total N : T1 = 1302; T2 = 1307.