Three versions of Perceived Stress Scale: validation in a sample of Chinese cardiac patients who smoke

BMC Public Health

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

ISSN: 1471-2458