The relationship of dietary patterns with adult lung function and COPD

被引:120
作者
Shaheen, S. O. [1 ]
Jameson, K. A. [2 ]
Syddall, H. E. [2 ]
Sayer, A. Aihie [2 ]
Dennison, E. M. [2 ]
Cooper, C. [2 ]
Robinson, S. M. [2 ]
机构
[1] Univ London Imperial Coll Sci Technol & Med, Resp Epidemiol & Publ Hlth Grp, Natl Heart & Lung Inst, London, England
[2] Univ Southampton, MRC, Epidemiol Resource Ctr, Southampton, Hants, England
基金
英国医学研究理事会;
关键词
Chronic obstructive pulmonary disease; dietary patterns; lung function; principal components analysis; sex; smoking; OBSTRUCTIVE PULMONARY-DISEASE; FOOD-FREQUENCY QUESTIONNAIRES; FRESH FRUIT CONSUMPTION; VITAMIN-C INTAKE; VENTILATORY FUNCTION; NATIONAL-HEALTH; BIRTH-WEIGHT; WHOLE GRAINS; MORTALITY; RISK;
D O I
10.1183/09031936.00114709
中图分类号
R56 [呼吸系及胸部疾病];
学科分类号
摘要
Previous studies of diet and lung function have focused on associations with individual nutrients and foods, and not dietary patterns. The relationships between dietary patterns and lung function and spirometrically defined chronic obstructive pulmonary disease (COPD) were investigated in 1,551 males and 1,391 females in Hertfordshire, UK. Dietary information was obtained by food frequency questionnaire and dietary patterns were identified using principal components analysis. Using regression analysis, after controlling for confounders, a "prudent" pattern (high consumption of fruit, vegetables, oily fish and wholemeal cereals) was positively associated with forced expiratory volume in 1 s (FEV1) (trend p-value <0.001 in males, 0.008 in females) (difference in FEV1 between top and bottom quintiles of pattern score, 0.18 L (95% Cl 0.08-0.28 L) in males, 0.08 L (95% Cl 0.00-0.16 L) in females). This pattern was also positively associated with forced vital capacity (FVC) in both sexes. Males with a higher "prudent" pattern score had a higher FEV1/FVC (trend p-value 0.002) and a lower prevalence of COPD (odds ratio comparing top versus bottom quintile 0.46, 95% Cl 0.26-0.81; trend p-value 0.012). Associations in males were stronger in smokers than nonsmokers (interaction p-value for FEV1/FVC 0.002). A "prudent" dietary pattern may protect against impaired lung function and COPD, especially in male smokers.
引用
收藏
页码:277 / 284
页数:8
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