Table 3.

Measures of rationalisations and item reliability

	Item–total correlations
			W1	W2	W3
Functional beliefs	1	You enjoy smoking too much to give it up	0.32	0.34	0.38
	2	Smoking calms you down when you are stressed or upset	0.31	0.33	0.36
	3	Smoking helps you concentrate better	0.44	0.44	0.43
	4	Smoking is an important part of your life	0.38	0.44	0.45
	5	Smoking makes it easier for you to socialize	0.24	0.26	0.21
		Functional beliefs: Cronbach’s α−	0.58	0.61	0.61
Risk-minimising beliefs	6	You have the kind of genetic makeup that allows you to smoke without it giving you health problems	0.42	0.42	0.45
	7	The medical evidence that smoking is harmful is exaggerated	0.46	0.50	0.51
	8	You’ve got to die of something, so why not enjoy yourself and smoke	0.52	0.56	0.55
	9	Smoking is no more risky than lots of other things that people do	0.47	0.53	0.50
		Risk-minimising beliefs: Cronbach α	0.68	0.72	0.71

The new reliability coefficients for the functional beliefs scale (with item 5 removed) are 0.59, 0.62 and 0.62 for W1, W2 and W3, respectively.