. Author manuscript; available in PMC: 2019 Jun 1.

Published in final edited form as: Psychol Addict Behav. 2018 May 31;32(4):410–414. doi: 10.1037/adb0000375

Table 2.

Pearson Correlation Coefficients for Dependence Scales by Smoker Type

	CPD	NDSS (T-score)	FTND (without CPD item)	PDM	SDM	HONC (proportion of items endorsed)
Daily Smokers
CPD
NDSS (T-score)	0.47^*
FTND (without CPD item)	0.36^*	0.55^*
PDM	0.43^*	0.63^*	0.45^*
SDM	0.24^*	0.58^*	0.39^*	0.75^*
HONC (proportion of items endorsed)	0.25^*	0.52^*	0.35^*	0.59^*	0.51^*
Time to first cigarette (log-transformed)	−0.38^*	−0.45^*	−0.72^*	−0.38^*	−0.31^*	−0.19^*
Intermittent Smokers
CPD
NDSS (T-score)	0.57^*
FTND (without CPD item)	0.48^*	0.51^*
PDM	0.67^*	0.67^*	0.54^*
SDM	0.37^*	0.59^*	0.20^*	0.68^*
HONC (proportion of items endorsed)	0.34^*	0.48^*	0.25^*	0.60^*	0.56^*
Time to first cigarette (log-transformed)	−0.37^*	−0.37^*	−0.82^*	−0.41^*	−0.11	−0.16^*

p <.05

Acronym Key: CPD=cigarettes per day NDSS=Nicotine Dependence Syndrome Scale FTND=Fagerstrom Test of Nicotine Dependence PDM=Primary Dependence Scale SDM=Secondary Dependence Scale HONC=Hooked on Nicotine Checklist.