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. 2010 Aug 25;10:513. doi: 10.1186/1471-2458-10-513

Table 3.

Correlations of subscale scores on PSS-14, PSS-10 and PSS-4 and smoking and health related variables

PSS-14 PSS-10 PSS-4

-ve Factor +ve Factor Overall -ve Factor +ve Factor Overall -ve Factor +ve Factor Overall
Smoking-related variables
 Daily cigarette consumption in the past month -.04 .09** .01 -.03 .09** .03 .00 .08** .05*
 FTND score1 .10** -.09** .11** .10** -.10** .11** .07* -.11** .10**
 Confidence in not smoking again2 -.14** .20** -.19** -.13** .23** -.19** -.91** .21** -.18**
Health-related variables
 Perceived health status in the past 3 months3 -.15** .11** -.16** -.16** .12** -.17** -.17** .13** -.19**
 Anxiety today4 .21** -.10** .18** .20** -.12** .19** .19** -.13** .19**
 Depression today5 .22** -.16** .22** .23** -.19** .24** .22** -.19** .24**

1 FTND scores range from 0 to 10, with higher values indicating higher levels of nicotine dependency.

2 Confidence in not smoking again was measured with a scale from 0-100, with higher values indicating higher levels of confidence

3 Perceived health status was measured on a 4-point Likert scale, with higher values indicating better perceived health.

4 Anxiety was measured on a 3-point Likert scale, with higher values indicating higher levels of anxiety.

5 Depression was measured on a 3-point Likert scale, with higher values indicating higher levels of depression.

* p-value < 0.05 ** p-value < 0.01