Adolescent gambling behaviour, a single latent construct and indicators of risk: findings from a national survey of New Zealand high school students

Asian Journal of Gambling Issues and Public Health

Table 1 Two-parameter item-response theory model of gambling behaviour

	Prevalence (%)	Factor loadings	Item discrimination		Item severity
	Prevalence (%)	Factor loadings	Estimate	Standard error	Estimate	Standard error
I gamble to relax	6.0	0.848	1.603	0.133	1.841	0.068
I gamble to feel better about myself	2.9	0.981	5.044	1.913	1.928	0.060
I gamble to forget about things	3.7	0.914	2.246	0.256	1.954	0.073
I gamble because I can’t stop	1.6	0.885	1.902	0.295	2.431	0.116
Gamble ‘several times a week’ or ‘most days’	2.6	0.806	1.361	0.206	2.412	0.159
Spend $20 or more per week on gambling	5.0	0.789	1.284	0.123	2.101	0.100
Spend 1 or more hours per day gambling	3.1	0.866	1.730	0.240	2.189	0.101