Table 4

Beta weights (β), SE and obtained p values from multiple regressions to predict decreases in smoking at Wave 2 (Δcigarettes/day=cigarettes/day W1−cigarettes/day W2)

Covariate model	β	SE	p Value
Cigarettes/day W1	0.46	0.10	<0.00001
Income	−0.08	0.07	0.28
FM/RYO	−0.14	0.08	0.07
FTND	−0.09	0.11	0.41
AUTOS	0.05	0.11	0.63
GNSBQ	−0.18	0.11	0.09
Hierarchical models
Cigarettes/day W1	0.33	0.08	<0.001
α	0.03	0.08	0.72
Cigarettes/day W1	0.35	0.11	<0.001
Q_o	−0.05	0.10	0.63
Cigarettes/day W1	0.31	0.09	0.001
O_max	0.002	0.09	0.99
Cigarettes/day W1	0.27	0.07	<0.0001
Local elasticity	−0.16	0.07	0.03

Cigarettes/day W1,W2=cigarettes/day at Waves 1,2; FM/RYO=cigarette preference (factory-made=1; roll-your-own tobacco=2); FTND, Fagerstrom Test of Nicotine Dependence18; AUTOS, Autonomy Over Smoking Scale17; GNSBQ, Glover-Nilsson Smoking Behaviour Questionnaire.19