Table 5.

Spearman correlations of area under the curve by group

Group	Spearman correlations
		Alcohol	Entertainment	Food
Non-smoker	Money	0.34*	0.41*	0.37*
	Food	0.35*	0.42**
	Entertainment	0.37*
Smoker	Money	0.42*	0.65**	0.50**
	Food	0.38*	0.68**
	Entertainment	0.38*

For both groups, AUC for one commodity was predictive of other AUC values within that group

*p ≤ 0.05; **p < 0.01