Table 2.

Self-reported mental health problems in the past 30 days (percentage distribution)

	Girls N = 541	Boys N = 1429	Total N = 1970	P
Mental health problems
Sleeping difficulties	61	44	48	0.001*
Depression	49	28	34	0.001*
Anxiety	66	36	44	0.001*
Concentration difficulties	67	49	54	0.001*
Aggressive behaviour	25	17	19	0.001*
Suicidal thoughts	17	7	10	0.001*
Suicide attempts	3	1	2	0.003*
Hallucinations	8	4	5	0.001*
Eating disorders	12	4	6	0.001*
Self-harming behaviour	12	4	6	0.001*
Traumatic life event	44	26	31	0.001*
Medication for psychiatric disorders	31	14	19	0.001*
Neuropsychiatric diagnosis	19	22	21	0.164
Ongoing psychiatric care	32	17	21	0.001*

*=p < 0.05