| M | SD | Range | 95% CI |
---|---|---|---|---|
Total | ||||
 OK | 2.90 | 2.02 | 0–6 | 2.66, 3.14 |
 VK | 2.58 | 2.35 | 0–6 | 2.30, 2.86 |
 SA | 2.08 | 3.42 | 0–6 | 1.86, 2.30 |
 DC | 1.74 | 1.54 | 0–5 | 1.56, 1.93 |
Early adolescence | ||||
 OK | 3.08 | 2.13 | 0–6 | 2.54, 3.62 |
 VK | 2.24 | 2.16 | 0–6 | 1.69, 2.79 |
 SA | 1.95 | 2.89 | 0–6 | 1.52, 2.38 |
 DC | 1.69 | 1.52 | 0–5 | 1.31, 2.08 |
Late adolescence | ||||
 OK | 2.21 | 1.70 | 0–6 | 1.89, 2.52 |
 VK | 1.64 | 1.96 | 0–6 | 1.28, 2.01 |
 SA | 1.64 | 1.75 | 0–6 | 1.32, 1.97 |
 DC | 1.39 | 1.41 | 0–4 | 1.13, 1.65 |
Adult group | ||||
 OK | 3.59 | 2.06 | 0–6 | 3.18, 4.00 |
 VK | 3.89 | 2.29 | 0–6 | 3.43, 4.35 |
 SA | 2.66 | 1.90 | 0–6 | 2.28, 3.05 |
 DC | 2.18 | 1.62 | 0–5 | 1.86, 2.51 |