Table 3.

Cigarette Purchase Task Mean Index Scores and Latent Factor Loadings

Index Scores	Mean (95% C.I.)	Latent Factor Loadings
		Amplitude	Persistence
		EV = 0.99	EV = 3.02
		Var = 20%	Var = 60%
Intensitya	21.74 (20.85, 22.67)	0.98	0.01
Omaxa	12.98 (12.03, 14.01)	0.28	0.84
Breakpoint	2.51 (2.26, 2.78)	−0.11	0.95
Pmaxa	1.51 (1.35, 1.68)	−0.17	0.98
Elasticitya	0.0033 (0.0030, 0.0038)	0.10	0.57

^EV:eigenvalue

^aBack-transformed from log 10

^bBack-transformed from log 10