Table 2. Means and standard deviation of strengths and difficulties scores.

	Boys n = 153		Girls n = 149		Pa
	Mean	SD	Mean	SD
Emotianl Symptoms	2.02	1.67	1.88	1.77	0.273
Conduct Problems	3.17	2.06	3.16	1.77	0.689
Hyperactivity-Inattention	4.41	2.02	3.84	1.86	0.012
Peer-Problems	2.33	1.63	2.03	1.85	0.031
Prosocial Behaviorb	5.04	2.41	5.47	2.52	0.191
Total Difficulties	11.9	4.08	10.9	3.98	0.016

^aP values for a t-test of sex difference of means.

^bHigh value are positive.