Table 4.

Pearson correlations between psychological variables and number of cigarettes smoked.

Scales	Anxietya		Depressionb		PSSc		Cigarettes
	r	n	r	n	r	n	r	n
Anxietya	-	23,212
Depressionb	.67d	23,212	-	23,213
PSS-4c	.48d	23,212	.67d	23,213	-	23,213
Cigarettes	.05d	22,885	.08d	22,886	.08d	22,886	-	22,886

^aAnxiety subscale of the SCL-90-R.

^bDepression subscale of the SCL-90-R.

^cPSS-4: 4-item Perceived Stress Scale.

^d P<.001