Michael D Wirth1, James Burch, Nitin Shivappa, John M Violanti, Cecil M Burchfiel, Desta Fekedulegn, Michael E Andrew, Tara A Hartley, Diane B Miller, Anna Mnatsakanova, Luenda E Charles, Susan E Steck, Thomas G Hurley, John E Vena, James R Hébert. 1. From the Cancer Prevention and Control Program (Dr Wirth, Dr Burch, Dr Shivappa, Dr Steck, Mr Hurley, and Dr Hébert) and Department of Epidemiology and Biostatistics (Drs Burch, Shivappa, Steck, and Hébert), University of South Carolina, Columbia; WJB Dorn VA Medical Center (Dr Burch), Columbia, SC; Department of Social and Preventive Medicine (Dr Violanti), School of Public Health and Health Professions, University of Buffalo, The State University of New York; Biostatistics and Epidemiology Branch (Dr Burchfiel, Dr Fekedulegn, Dr Andrew, Dr Hartley, Ms Mnatsakanova, and Dr Charles) and Toxicology and Molecular Biology Branch (Dr Miller), Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention, WV; and Department of Epidemiology and Biostatistics (Dr Vena), College of Public Health, University of Georgia, Athens, and Department of Public Health Sciences, Medical University of South Carolina, Charleston.
Abstract
OBJECTIVES: To determine whether the dietary inflammatory index (DII) is associated with inflammatory or metabolic biomarkers and metabolic syndrome (MetSyn) among police officers. METHODS: Cross-sectional data from the Buffalo Cardio-Metabolic Occupational Police Stress study were derived from saliva and fasting blood samples, anthropometric measurements, long-term shiftwork histories, and demographic, stress/depression, and food frequency questionnaires (FFQs). Metabolic syndrome was defined using standard criteria. RESULTS: Officers in DII quartiles 2 to 4 were more likely to exceed a threshold of 3.0 mg/L for C-reactive protein (odds ratio [OR] = 1.88; 95% confidence interval [95% CI] = 1.02 to 3.45; OR = 2.17; 95% CI = 1.19 to 3.95; OR = 1.57; 95% CI = 0.85 to 2.88, respectively) compared with quartile 1. The glucose intolerance component of MetSyn was more prevalent among officers in DII quartile 4 than among those in quartile 1 (OR = 2.03; 95% CI = 1.08 to 3.82). CONCLUSIONS: A pro-inflammatory diet was associated with elevated CRP and with the glucose intolerance component of MetSyn.
OBJECTIVES: To determine whether the dietary inflammatory index (DII) is associated with inflammatory or metabolic biomarkers and metabolic syndrome (MetSyn) among police officers. METHODS: Cross-sectional data from the Buffalo Cardio-Metabolic Occupational Police Stress study were derived from saliva and fasting blood samples, anthropometric measurements, long-term shiftwork histories, and demographic, stress/depression, and food frequency questionnaires (FFQs). Metabolic syndrome was defined using standard criteria. RESULTS: Officers in DII quartiles 2 to 4 were more likely to exceed a threshold of 3.0 mg/L for C-reactive protein (odds ratio [OR] = 1.88; 95% confidence interval [95% CI] = 1.02 to 3.45; OR = 2.17; 95% CI = 1.19 to 3.95; OR = 1.57; 95% CI = 0.85 to 2.88, respectively) compared with quartile 1. The glucose intolerance component of MetSyn was more prevalent among officers in DII quartile 4 than among those in quartile 1 (OR = 2.03; 95% CI = 1.08 to 3.82). CONCLUSIONS: A pro-inflammatory diet was associated with elevated CRP and with the glucose intolerance component of MetSyn.
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