Table 2 Baseline characteristics and mental health indicators among Danish high school students, 2014
| Â | Males | Females |
|---|---|---|
(n = 23,180) | (n = 37,432) | |
Age, mean years (SD) | 18.0 (1.2) | 17.8 (1.1) |
High school program, n (%) | ||
 Higher general examination (STX) | 21,412 (92) | 34,681 (93) |
 Higher preparatory examination (HF) | 1768 (7.6) | 2751 (7.4) |
Ethnicity, n (%) | ||
 Danish | 21,297 (92) | 34,403 (92) |
 Descendant | 1242 (5.4) | 2161 (5.8) |
 Immigrant | 615 (2.7) | 828 (2.2) |
Parents’ education, n (%) | ||
 Elementary school | 776 (3.4) | 1682 (4.5) |
 Upper-secondary | 7090 (31) | 13,686 (37) |
 Short or medium tertiary education | 9095 (40) | 14,402 (39) |
 Long tertiary education | 5978 (26) | 7265 (20) |
Mental health indicators: | ||
High life satisfaction, n (%) | 12,824 (55) | 15,654 (42) |
High self-esteem, n (%) | 19,255 (83) | 24,247 (65) |
Daily stress, n (%) | 1575 (6.8) | 5654 (15) |
Nervous, n (%) | 52,567 (23) | 13,640 (36) |
Sadness, n (%) | 3363 (15) | 14,798 (40) |
Irritable, n (%) | 7805 (34) | 20,006 (53) |
Loneliness, n (%) | 1383 (6.0) | 4197 (11) |
Relatedness to parents, n (%) | 18,293 (79) | 30,185 (81) |
Relatedness to friends, n (%) | 18,591 (80) | 30,475 (81) |
High self-efficacy, n (%) | 20,246 (87) | 29,841 (80) |
High autonomy, n (%) | 20,705 (89) | 31,335 (84) |