Table 3. The Erreyger’s CIs for mental health problems among Australian adolescents (12–17 years).

	Equivalised Household Income quintiles			Area-based IRSAD quintiles
	Concentration Index (CI)	Standard Error of CI	p-value	Concentration Index (CI)	Standard Error of CI	p-value
Bullying victimization	-0.049	0.021	0.020	-0.050	0.021	0.016
Number of mental disorders
Single	-0.036	0.021	0.090	-0.042	0.021	0.047
Multiple (2 or more)	-0.088	0.013	<0.001	-0.081	0.013	<0.001
Self-harm	-0.017	0.012	0.154	-0.010	0.012	0.379
Suicidal ideation	-0.023	0.011	0.047	-0.024	0.011	0.048
Suicidal plan	-0.013	0.010	0.172	-0.009	0.010	0.333
Suicidal attempt	-0.021	0.006	0.002	-0.011	0.006	0.095