Comparison of CCA-IMT by smoking status in men
| Never | Former | Current (pack-years) | p | ||
| 1–39 | 40+ | ||||
| (n=375) | (n=246) | (n=245) | (n=93) | ||
| Left CCA-IMT, mean (SD), μm | 748.5 (159) | 813.2 (187) | 794.7 (175) | 808.7 (186) | <0.001 |
| Right CCA-IMT, mean (SD), μm | 749.9 (154) | 782.4 (174) | 768.8 (161) | 782.6 (174) | 0.07 |
| Mean of left and right CCA-IMT, mean (SD), μm | 749.2 (134) | 797.8 (154) | 781.2 (144) | 795.6 (156) | <0.001 |
| Demographic* | 731.2 (7.6) | 770.5 (9.2) | 780.4 (9.0) | 771.8 (15.6) | <0.001 |
| Demographic plus BMI* | 728.4 (7.5) | 766.5 (9.1) | 784.8 (8.9) | 777.3 (15.3) | <0.001 |
| Demographic plus BP* | 725.6 (7.6) | 766.5 (9.1) | 780.6 (8.9) | 775.2 (15.4) | <0.001 |
| Carotid plaque, n (%) | |||||
| 0 | 266 (70.9) | 163 (66.3) | 155 (63.3) | 47 (51.1) | 0.001 |
| 1 | 81 (21.6) | 53 (21.5) | 61 (24.9) | 23 (25.0) | |
| 2+ | 28 (7.5) | 30 (12.2) | 29 (11.8) | 22 (23.9) | |
↵* Mean of left and right CCA-IMT adjusted for demographic characteristics including age, education and physical activity; BMI; BP including systolic and diastolic blood pressure, mean (SEM).
BMI, body mass index; BP, blood pressure; CCA-IMT, common carotid artery intima-medial thickness.