Table 1.
Mean and standard deviation for the raw data for all age groups, as well as the thresholds for the liability distribution and the percentages of twins in the three groups.
| Age 7 Mean (sd) | Age 10 Mean (sd) | Age 12 Mean (sd) | Age 14 Mean (sd) | Age 16 Mean (sd) | Age 18–27 Mean (sd) | Age 27–99 Mean (sd) | |
|---|---|---|---|---|---|---|---|
| MALES | |||||||
| Mean | |||||||
| Well-being | 8.39 (0.98) | 8.27 (1.05) | 8.22 (1.12) | 8.06 (1.03) | 7.82 (1.03) | 7.57 (1.10) | 7.76 (1.01) |
| Depressive symptoms | 2.19 (2.58) | 2.26 (2.79) | 1.99 (2.69) | 2.57 (2.83) | 2.63 (2.80) | 3.54 (3.81) | 2.77 (3.16) |
| CATEGORIES | |||||||
| Depressive symptoms | |||||||
| Threshold 1 | 0.05 | 0.07 | −0.31 | 0.31 | 0.26 | −0.46 | −0.20 |
| Threshold 2 | 0.65 | 0.69 | 0.42 | 0.90 | 0.63 | 0.38 | 0.42 |
| Low | 52.0% | 52.9% | 37.7% | 62.3% | 60.1% | 32.3% | 42.0% |
| Middle | 25.8% | 24.4% | 33.7% | 18.3% | 26.6% | 35.3% | 33.6% |
| High | 22.2% | 22.7% | 28.5% | 19.4% | 13.3% | 32.4% | 24.4% |
| FEMALES | |||||||
| Mean | |||||||
| Well-being | 8,42 (0.95) | 8.37 (0.98) | 8.27 (1.16) | 7.85 (1.16) | 7.63 (1.13) | 7.51 (1.09) | 7.67 (1.12) |
| Depressive symptoms | 2.36 (2.61) | 2.44 (2.90) | 2.21 (2.76) | 4.51 (3.90) | 4.91 (4.08) | 5.25 (4.55) | 4.28 (3.86) |
| CATEGORIES | |||||||
| Depressive symptoms | |||||||
| Threshold 1 | −0.04 | −0.01 | −0.45 | −0.34 | −0.46 | −0.92 | −0.71 |
| Threshold 2 | 0.59 | 0.66 | 0.38 | 0.75 | 0.46 | 0.47 | 0.4 |
| Low | 48.2% | 49.6% | 32.7% | 36.6% | 32.3% | 17.7% | 23.6% |
| Middle | 27.8% | 25.6% | 35.3% | 22.5% | 32.2% | 32.0% | 34.6% |
| High | 24.0% | 24.7% | 32.0% | 40.9% | 35.5% | 50.3% | 41.8% |