Department of Epidemiology and Biostatistics, School of Public Health, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, China.
Department of Nutrition, The First Affiliated Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China.
Am J Hypertens. 2019 Mar 16;32(4):402-408. doi: 10.1093/ajh/hpy187.
Coarse food grains are rich in dietary fiber and contain a wide range of nutrients with potential health benefits, such as blood pressure control. Coarse food grains are very popular in China, where hypertension is a major challenge. We evaluated the associations between coarse food grain consumption and blood pressure among young Chinese adults.
A total of 104 men and women aged 18-35 years, who participated in a pilot study of the Carbohydrate Alternatives and Metabolic Phenotypes study, were included in the present analysis. Food frequency questionnaires were used to collect dietary intake data. Blood pressure was measured using a digital monitor. A multivariate general linear model was used to evaluate the putative associations.
Overall, 12.5% of our participants have regular habits of coarse food grain intake (at least 4 days/week). Age was positively associated with both systolic blood pressure (SBP) and diastolic blood pressure (DBP) (all Ps for trend < 0.05). With multivariable adjustment, including for body mass index and physical activity level, the frequency of coarse food grain intake was inversely associated with both SBP and DBP (all Ps for trend < 0.05). Similar associations were observed for estimated daily coarse food grain intake with SBP (β coefficient ± SE = -0.039 ± 0.017, P = 0.024) and DBP (β coefficient ± SE = -0.033 ± 0.013, P = 0.016).
In our sample of young Chinese adults, higher coarse food grain intake was associated with lower SBP and DBP.
粗粮富含膳食纤维，含有多种潜在有益健康的营养素，如控制血压。粗粮在中国非常受欢迎，而高血压是一个主要挑战。我们评估了中国年轻成年人粗粮摄入与血压之间的关系。
共有 104 名年龄在 18-35 岁的男性和女性参加了碳水化合物替代物和代谢表型研究的试点研究，他们被纳入本分析。使用食物频率问卷收集饮食摄入数据。使用数字监测器测量血压。使用多元一般线性模型评估潜在关联。
总体而言，我们的参与者中有 12.5%有规律地摄入粗粮（每周至少 4 天）。年龄与收缩压（SBP）和舒张压（DBP）均呈正相关（所有趋势 P 值均<0.05）。在包括体重指数和身体活动水平在内的多变量调整后，粗粮摄入频率与 SBP 和 DBP 呈负相关（所有趋势 P 值均<0.05）。SBP（β系数±SE= -0.039±0.017，P=0.024）和 DBP（β系数±SE= -0.033±0.013，P=0.016）的估计每日粗粮摄入量也存在类似的关联。
在我们的年轻中国成年人样本中，较高的粗粮摄入量与较低的 SBP 和 DBP 相关。
