Esther Lopez-Garcia1, Pilar Guallar-Castillon2, Luz Leon-Muñoz2, Auxiliadora Graciani2, Fernando Rodriguez-Artalejo2. 1. Dept. Preventive Medicine and Public Health, School of Medicine, Universidad Autónoma de Madrid/IdiPAZ, CIBER of Epidemiology and Public Health (CIBERESP), Spain. Electronic address: esther.lopez@uam.es. 2. Dept. Preventive Medicine and Public Health, School of Medicine, Universidad Autónoma de Madrid/IdiPAZ, CIBER of Epidemiology and Public Health (CIBERESP), Spain.
Abstract
BACKGROUND AND AIMS: Understanding the effect of coffee on health-related quality of life (HRQL) would contribute to explain the mechanisms of the long-term effect of coffee on health. The aim of this study was to examine the association between coffee consumption and HRQL. METHODS: Cross-sectional study conducted in 2008-2010 among 11,423 individuals representative of the Spanish population aged ≥18 years. Habitual coffee and food consumption was assessed with a validated diet history. HRQL was measured using the Spanish version of the SF-12 questionnaire. The analyses were performed using linear regression and adjusted for the main confounders. RESULTS: Among men, no association was found between coffee consumption and the physical and mental composite summaries (PCS and MCS) of the SF-12. Among women, compared to those who did not consume coffee, habitual coffee drinkers showed similar scores on the PCS [beta coefficients (p value) for 1, 2, 3, and ≥4 cups/day: 0.49 (0.20), 0.62 (0.21), 0.50 (0.45), and 0.36 (0.59)]; but slightly better scores on the MCS [beta (p value): 1.58 (<0.001), 1.58 (0.004), 0.80 (0.31), and 1.22 (0.10)]. These results reflect mostly the consumption of non-filtered caffeinated coffee. Tea consumption and total caffeine intake did not show an association with HRQL. CONCLUSION: We found no evidence of an adverse effect of coffee on HRQL. These results are consistent with the null association between this beverage and several chronic diseases and all-cause mortality reported in many studies. The weak positive association of coffee with the MCS found among women needs further confirmation.
BACKGROUND AND AIMS: Understanding the effect of coffee on health-related quality of life (HRQL) would contribute to explain the mechanisms of the long-term effect of coffee on health. The aim of this study was to examine the association between coffee consumption and HRQL. METHODS: Cross-sectional study conducted in 2008-2010 among 11,423 individuals representative of the Spanish population aged ≥18 years. Habitual coffee and food consumption was assessed with a validated diet history. HRQL was measured using the Spanish version of the SF-12 questionnaire. The analyses were performed using linear regression and adjusted for the main confounders. RESULTS: Among men, no association was found between coffee consumption and the physical and mental composite summaries (PCS and MCS) of the SF-12. Among women, compared to those who did not consume coffee, habitual coffee drinkers showed similar scores on the PCS [beta coefficients (p value) for 1, 2, 3, and ≥4 cups/day: 0.49 (0.20), 0.62 (0.21), 0.50 (0.45), and 0.36 (0.59)]; but slightly better scores on the MCS [beta (p value): 1.58 (<0.001), 1.58 (0.004), 0.80 (0.31), and 1.22 (0.10)]. These results reflect mostly the consumption of non-filtered caffeinated coffee. Tea consumption and total caffeine intake did not show an association with HRQL. CONCLUSION: We found no evidence of an adverse effect of coffee on HRQL. These results are consistent with the null association between this beverage and several chronic diseases and all-cause mortality reported in many studies. The weak positive association of coffee with the MCS found among women needs further confirmation.
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