Yuji Shimizu1,2, Hiroyuki Yoshimine3, Mako Nagayoshi4, Koichiro Kadota4, Kensuke Takahashi3, Kiyohiro Izumino5, Kenichiro Inoue5, Takahiro Maeda4,6. 1. Department of Community Medicine, Nagasaki University Graduate School of Biomedical Science, Nagasaki, Japan. simizicyuu@yahoo.co.jp. 2. Osaka Center for Cancer and Cardiovascular Disease Prevention, Osaka, Japan. simizicyuu@yahoo.co.jp. 3. Department of Respiratory Medicine, Inoue Hospital, Nagasaki, Japan. 4. Department of Community Medicine, Nagasaki University Graduate School of Biomedical Science, Nagasaki, Japan. 5. Shunkaikai, Inoue Hospital, Nagasaki, Japan. 6. Department of Island and Community Medicine, Nagasaki University Graduate School of Biomedical Science, Nagasaki, Japan.
Abstract
OBJECTIVES: A positive association between white blood cell count and carotid atherosclerosis has been reported. Our previous study also found an inverse association between height and carotid atherosclerosis in overweight but not non-overweight men. However, no studies have reported on the association between high white blood cell (WBC) count and height accounting for body mass index (BMI) status. METHODS: We conducted a hospital-based general population cross-sectional study of 3016 Japanese men aged 30-59 years undergoing general health check-ups between April 2013 and March 2014. High WBC count was defined as the highest tertiles of WBC count among total subjects. RESULTS: Independent of classical cardiovascular risk factors, height was found to be inversely associated with high WBC count, especially for subjects with a BMI ≥ 23 kg/m2. The classical cardiovascular risk factors adjusted odds ratios (ORs) and 95 % confidence intervals (CIs) of high WBC count for an increment of one standard deviation (SD) in height (5.7 cm) were 0.91 (0.83-0.99) for total subjects, 1.00 (0.86-1.15) for subjects with a BMI < 23 kg/m2 and 0.86 (0.77-0.96) for subjects with a BMI ≥ 23 kg/m2. CONCLUSION: Independent of classical cardiovascular risk factors, height was found to be inversely associated with high WBC count, especially for those with a BMI ≥ 23 kg/m2. Compared to high stature, short stature appears to convey an inflammatory disadvantage among Japanese men, especially those with a BMI ≥ 23 kg/m2.
OBJECTIVES: A positive association between white blood cell count and carotid atherosclerosis has been reported. Our previous study also found an inverse association between height and carotid atherosclerosis in overweight but not non-overweight men. However, no studies have reported on the association between high white blood cell (WBC) count and height accounting for body mass index (BMI) status. METHODS: We conducted a hospital-based general population cross-sectional study of 3016 Japanese men aged 30-59 years undergoing general health check-ups between April 2013 and March 2014. High WBC count was defined as the highest tertiles of WBC count among total subjects. RESULTS: Independent of classical cardiovascular risk factors, height was found to be inversely associated with high WBC count, especially for subjects with a BMI ≥ 23 kg/m2. The classical cardiovascular risk factors adjusted odds ratios (ORs) and 95 % confidence intervals (CIs) of high WBC count for an increment of one standard deviation (SD) in height (5.7 cm) were 0.91 (0.83-0.99) for total subjects, 1.00 (0.86-1.15) for subjects with a BMI < 23 kg/m2 and 0.86 (0.77-0.96) for subjects with a BMI ≥ 23 kg/m2. CONCLUSION: Independent of classical cardiovascular risk factors, height was found to be inversely associated with high WBC count, especially for those with a BMI ≥ 23 kg/m2. Compared to high stature, short stature appears to convey an inflammatory disadvantage among Japanese men, especially those with a BMI ≥ 23 kg/m2.
Entities:
Keywords:
BMI; Height; Inflammation; White blood cell
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