Table 2 Prevalence of mental health among adolescents
From: Dietary behaviour, psychological well-being and mental distress among adolescents in Korea
|  | Unweighted Frequency | Weighted  % |
|---|---|---|
1. Well-being outcomes | ||
 Perceived health | ||
  Very healthy | 17,586 | 26.5 |
  Healthy | 29,647 | 45.3 |
  Fair | 14,223 | 21.9 |
  Poor | 3846 | 6.0 |
  Very poor | 226 | 0.4 |
 Perceived happiness | ||
  Very happy | 18,992 | 28.1 |
  Happy | 24,964 | 38.5 |
  Fair | 16,743 | 25.8 |
  Unhappy | 4102 | 6.4 |
  Very unhappy | 727 | 1.1 |
 Sleep satisfaction (Fatigue recovery from sleep) | ||
  Quite sufficient | 5413 | 7.8 |
  Sufficient | 12,081 | 18.0 |
  So So | 20,705 | 31.7 |
  Not sufficient | 18,296 | 28.4 |
  Not sufficient at all | 9033 | 14.1 |
2. Mental distress outcomes | ||
 Perceived stress | ||
  Very much | 6513 | 10.0 |
  Somewhat | 17,833 | 27.3 |
  Average | 28,021 | 42.9 |
  Not so much | 10,772 | 16.2 |
  Not at all | 2389 | 3.6 |
 Signs and symptoms of depression during the last year | ||
  No | 48,993 | 74.5 |
  Yes | 16,535 | 25.5 |