Table 2

Item loadings derived from exploratory factor analysis (maximum likelihood estimation)

Domains	Items	18–64	65+	Overall	Time 2
Emotion suppression	I bottled up my negative feelings	0.67	0.72	0.71	0.68
Alcohol use	I needed alcohol to help me unwind	0.44	0.45	0.48	0.37
Somatic symptoms	I had unexplained aches and pains	0.56	0.59	0.58	0.63
Aggression	I overreacted to situations with aggressive behaviour	0.69	0.74	0.71	0.30
Anger	It was difficult to manage my anger	0.75	0.74	0.75	0.65
Drug use	Using drugs provided temporary relief	0.36	0.44	0.42	0.44
Risk-taking	I stopped caring about the consequences of my actions	0.63	0.62	0.65	0.80
	Eigenvalue	2.52	2.74	2.72
	Variance explained (%)	36.04	39.08	38.82
	Cronbach’s alpha	0.68	0.71	0.72
	Correlation with MDRS-22	0.94	0.94	0.94
	Short form re-test reliability	0.72	0.69	0.71
	M (SD)	5.93 (4.04)	3.57 (3.39)	4.84 (3.93)

Note: Time 2 loadings derived using confirmatory factor analysis in the combined sample.
All correlations were significant at p<0.001.