Table 1 Distribution of depression and socioeconomic background by study year and sex
Boys | Girls | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Year | 2000–2001 | 2002–2003 | 2004–2005 | 2006–2007 | 2008–2009 | 2010–2011 | 2000–2001 | 2002–2003 | 2004–2005 | 2006–2007 | 2008–2009 | 2010–2011 |
Number of participants | 47586 | 50774 | 53057 | 54315 | 54132 | 51116 | 47049 | 49236 | 51713 | 54005 | 54035 | 51066 |
% | % | % | % | % | % | % | % | % | % | % | % | |
Depression | ||||||||||||
No (0–4) | 83.7 | 85.1 | 84.0 | 83.1 | 83.1 | 84.9 | 67.5 | 70.4 | 68.7 | 68.3 | 67.9 | 68.0 |
Mild (5–7) | 8.0 | 7.4 | 7.9 | 8.4 | 8.4 | 7.5 | 15.0 | 13.9 | 14.1 | 14.2 | 14.4 | 14.0 |
Moderate (8–15) | 6.2 | 5.6 | 6.0 | 6.3 | 6.3 | 5.5 | 13.5 | 12.2 | 13.0 | 13.4 | 13.4 | 13.4 |
Severe (>15) | 2.1 | 2.0 | 2.1 | 2.2 | 2.2 | 2.2 | 4.0 | 3.5 | 4.2 | 4.1 | 4.3 | 4.7 |
Unemployment in the family during the last year | ||||||||||||
No | 67.4 | 71.0 | 72.4 | 75.7 | 73.1 | 68.8 | 66.5 | 69.9 | 71.0 | 74.8 | 72.2 | 67.7 |
Yes | 29.4 | 26.6 | 25.6 | 22.2 | 25.0 | 29.7 | 31.8 | 28.8 | 28.0 | 24.1 | 26.6 | 31.5 |
Unknown | 3.1 | 2.5 | 2.0 | 2.1 | 1.9 | 1.5 | 1.7 | 1.4 | 1.1 | 1.1 | 1.1 | 0.9 |
Parental education | ||||||||||||
High | 50.5 | 54.1 | 60.1 | 62.0 | 64.6 | 59.9 | 44.6 | 49.3 | 55.5 | 57.7 | 60.7 | 60.2 |
Medium | 32.5 | 32.4 | 27.5 | 25.9 | 23.9 | 28.1 | 38.0 | 37.0 | 32.6 | 31.1 | 28.8 | 27.1 |
Low | 8.6 | 7.3 | 6.5 | 5.5 | 4.4 | 6.6 | 9.5 | 7.6 | 6.7 | 5.7 | 4.5 | 7.8 |
Unknown | 8.3 | 6.2 | 5.9 | 6.5 | 7.1 | 5.4 | 8.0 | 6.1 | 5.1 | 5.5 | 6.0 | 4.8 |