Public health nutrition · 2013
Dietary and supplemental antioxidant and anti-inflammatory nutrient intakes and pulmonary function.
СтатьяНаблюдательное исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Ng Tze Pin, Niti Mathew, Yap Keng Bee, Tan Wan Cheng
Аннотация
OBJECTIVE: A limited but growing body of evidence supports a significant role of antioxidant and anti-inflammatory micronutrients in pulmonary health. We investigated the associations of dietary and supplemental intakes of vitamins A, C, E and D, Se and n-3 PUFA with pulmonary function in a population-based study.
DESIGN: Population-based, cross-sectional study and data analysis of fruits and vegetables, dairy products and fish, vitamins A, C, E and D, Se and n-3 PUFA supplemental intakes, pulmonary risk factors and spirometry.
SUBJECTS: Chinese older adults (n 2478) aged 55 years and above in the Singapore Longitudinal Ageing Studies.
RESULTS: In multiple regression models that controlled simultaneously for gender, age, height, smoking, occupational exposure and history of asthma/chronic obstructive pulmonary disease, BMI, physical activity, and in the presence of other nutrient variables, daily supplementary vitamins A/C/E (b = 0·044, SE = 0·022, P = 0·04), dietary fish intake at least thrice weekly (b = 0·058, SE = 0·016, P < 0·0001) and daily supplementary n-3 PUFA (b = 0·068, SE = 0·032, P = 0·034) were individually associated with forced expiratory volume in the first second. Supplemental n-3 PUFA was also positively associated with forced vital capacity (b = 0·091, SE = 0·045, P = 0·045). No significant association with daily dairy product intake, vitamin D or Se supplements was observed.
CONCLUSIONS: The findings support the roles of antioxidant vitamins and n-3 PUFA in the pulmonary health of older persons.
DESIGN: Population-based, cross-sectional study and data analysis of fruits and vegetables, dairy products and fish, vitamins A, C, E and D, Se and n-3 PUFA supplemental intakes, pulmonary risk factors and spirometry.
SUBJECTS: Chinese older adults (n 2478) aged 55 years and above in the Singapore Longitudinal Ageing Studies.
RESULTS: In multiple regression models that controlled simultaneously for gender, age, height, smoking, occupational exposure and history of asthma/chronic obstructive pulmonary disease, BMI, physical activity, and in the presence of other nutrient variables, daily supplementary vitamins A/C/E (b = 0·044, SE = 0·022, P = 0·04), dietary fish intake at least thrice weekly (b = 0·058, SE = 0·016, P < 0·0001) and daily supplementary n-3 PUFA (b = 0·068, SE = 0·032, P = 0·034) were individually associated with forced expiratory volume in the first second. Supplemental n-3 PUFA was also positively associated with forced vital capacity (b = 0·091, SE = 0·045, P = 0·045). No significant association with daily dairy product intake, vitamin D or Se supplements was observed.
CONCLUSIONS: The findings support the roles of antioxidant vitamins and n-3 PUFA in the pulmonary health of older persons.