Smoking Status Effect on Inflammatory Markers in a Randomized Trial of Current and Former Heavy Smokers

Table 3

Pearson’s correlation of CRP and IL-6 with each parameter by smoking status ( = 154).

Variables	CRP		IL-6
	Interleukin-6 (pg/mL)
Former smoker	0.387	0.000	1.000
Current smoker	0.589	0.000	1.000
Age (years)
Former smoker	0.161	0.140	0.198	0.067
Current smoker	0.270	0.026	0.446	0.000
Years of smoking
Former smoker	0.081	0.461	0.202	0.062
Current smoker	0.017	0.889	0.242	0.047
Pack/year
Former smoker	0.136	0.212	0.313	0.003
Current smoker	0.028	0.823	0.256	0.033
Caloric intake/day
Former smoker	0.206	0.065	0.014	0.904
Current smoker	0.092	0.474	0.054	0.677
Total fat intake (g/day)
Former smoker	0.173	0.126	0.007	0.951
Current smoker	0.090	0.488	0.124	0.338
Total cholesterol (mg/dL)
Former smoker	0.024	0.825	0.024	0.829
Current smoker	0.134	0.275	0.086	0.484
HDL-C (mg/dL)
Former smoker	−0.273	0.011	−0.207	0.056
Current smoker	−0.131	0.287	−0.290	0.017
LDL-C (mg/dL)
Former smoker	0.028	0.799	0.072	0.517
Current smoker	0.182	0.141	0.061	0.623
Total triglycerides (mg/dL)
Former smoker	0.168	0.123	0.134	0.220
Current smoker	0.196	0.110	0.268	0.028
BMI (kg/m^2)
Former smoker	0.287	0.007	0.129	0.236
Current smoker	0.203	0.100	0.130	0.299

CRP: C-reactive protein; HDL-C = high density lipoproteins; LDL-C: low density lipoproteins; BMI: body mass index.
Log transformed data for CRP (ng/mL) and IL-6 (pg/mL).
Significant correlation.