Table 5.

Mean (SD) scores on SDQ subscales in the two clusters.

SDQ subscales	Clusters
		Low psychopathology n = 1581 (68.3%)	High psychopathology n = 735 (31.7%)
Children with history of bullying	Frequency	Percentage	Frequency	Percentage
Bully victims	0	0%	735	100%
Perpetrators	239	15.1%	735	100%
Victims	315	19.9%	735	100%
Scores on SDQ scale	Mean	SD	Mean	SD
Emotional problems	4.08	1.93	4.58	1.94
Conduct problems	2.81	1.98	4.07	2.06
Hyperactivity	3.13	2.04	4.16	2.05
Peer problems	3.30	1.87	4.10	1.91
Prosocial behavior	6.67	1.80	5.60	2.15
Global score	13.32	5.56	16.92	5.31
Externalizing symptoms	5.94	3.41	8.23	3.33
Internalizing symptoms	7.38	2.99	8.68	2.92
Impact scores	10.04	3.63	12.31	4.00