Table 1.
Characteristics of the sample at the three measurement points
| Variables | T1 (2019) N = 9,240 |
T2 (2020) N = 3,564 |
T3 (2021) N = 3,540 |
T1_T2-T3∗ N = 521 |
||||
|---|---|---|---|---|---|---|---|---|
| N | % | N | % | N | % | N | % | |
| Gender | ||||||||
| Girls | 4,592 | 50.0 | 1,774 | 50.1 | 1,675 | 47.6 | 254 | 51.0 |
| Boys | 4,538 | 49.4 | 1,733 | 49.0 | 1,733 | 49.0 | 241 | 48.4 |
| Non binary | 63 | 0.7 | 33 | 0.9 | 63 | 1.8 | <5 | - |
| Single parent household | ||||||||
| Yes | 2,725 | 29.7 | 1,070 | 30.3 | 1,077 | 30.7 | 138 | 27.8 |
| No | 6,458 | 70.3 | 2,457 | 69.7 | 2,429 | 69.3 | 358 | 72.2 |
| Country of origin | ||||||||
| Non-Nordic | 2,349 | 25.9 | 858 | 24.6 | 904 | 26.1 | 101 | 20.5 |
| Nordic | 6,707 | 74.1 | 2,627 | 75.4 | 2,554 | 73.9 | 391 | 79.5 |
| Family affluence | ||||||||
| Low | 351 | 3.8 | 103 | 3.0 | 131 | 3.8 | 10 | 2.0 |
| High/Normal | 8,773 | 96.2 | 3,369 | 97.0 | 3,337 | 3.8 | 484 | 98.0 |
| Age: mean, SD (12–16) | 14.11 | 0.8 | 14.52 | 0.9 | 14.48 | .96 | 14.53 | .52 |
| HSCL: mean, SD (0–3) | .57 | .66 | .55 | .64 | .72 | .74 | .42 | .53 |
| CSSI: mean, SD (0–3) | .60 | .67 | .53 | .65 | .79 | .83 | .49 | .54 |
∗
Sample with data on all three measurement points–descriptive data reported from the T1 measurement for comparison.