Abstract
Evidence regarding the potential effect of fruit and vegetable consumption on cardiovascular diseases (CVD) was limited and inconsistent among Asian people. We prospectively examined associations of fruit and vegetable consumption with the risk of CVD among 9740 participants aged 65 years and older (mean baseline age: 88 years) in the Chinese Longitudinal Healthy Longevity Survey (CLHLS) (2008-2018). Dietary data were collected using a validated food frequency questionnaire. During 37 366 person-years of follow-up, a total of 3738 CVD cases were recorded. After adjusting for demographics, dietary, lifestyle and economical social factors, higher intakes of total fruits and vegetables were associated with lower risk of CVD [comparing with extreme quintiles, hazard ratio and 95% confidence interval: 0.84 (0.74, 0.95)]. The inverse association was mainly driven by vegetable consumption [0.86 (0.77, 0.95)]. Furthermore, the inverse association was stronger for the risk of hypertension [0.84 (0.72, 0.98)]. These associations were consistent across age, sex, body mass index, residence, exercise status, smoking, drinking, meat intake, modified hPDI and health status. This study suggests higher intakes of total fruits and vegetables are associated with a lower risk of CVD among elderly Chinese people, supporting the current recommendations of increasing fruit and vegetable consumption as part of a healthy diet for the prevention of CVD.
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