Abstract：
The purposes of this study were to explore the drinking patterns, and urinary and plasma hydration biomarkers of young adults with different levels of habitual total drinking fluid intake. A cross-sectional study was conducted among 111 young male athletes in Beijing, China. Total drinking fluids and water from food were assessed by a 7-day, 24-h fluid intake questionnaire and the duplicate portion method, respectively. The osmolality and electrolyte concentrations of the 24-h urine and fasting blood samples were tested. Differences in groups LD1 (low drinker), LD2, HD1, and HD2 (high drinker), divided according to the quartiles of total drinking fluids, were compared using one-way ANOVA, Kruskal−Wallis H-tests, and chi-squared tests. A total of 109 subjects completed the study. The HD2 group had greater amounts of TWI (total water intake) and higher and lower contributions of total drinking fluids and water from food to TWI, respectively, than the LD1, LD2, and HD1 groups (p < 0.05), but the amounts of water from food did not differ significantly among the four groups (all p > 0.05). Participants in the HD2 group had higher amounts of water than participants in the LD1, LD2, and HD1 groups (p < 0.05); SSBs were the second top contributor of total drinking fluids, ranging from 24.0% to 31.8%. The percentage of subjects in optimal hydration status increased from 11.8% in the LD1 group to 58.8% in the HD2 group (p < 0.05). The HD2 and HD1 groups had 212−227 higher volumes of urine than the LD1 and LD2 groups (p < 0.05). No significant differences were found in the plasma biomarkers (p > 0.05), with the exception of higher concentrations of K in the HD1 group than in the LD1 group (p < 0.05). Subjects with higher amounts of total drinking fluids had better hydration status than those with lower total drinking fluids, but not better drinking patterns. Habitual total drinking fluids did not affect the plasma biomarkers.
摘要：
这项研究的目的是探索饮酒模式，以及习惯性总饮水摄入量不同的年轻人的尿和血浆水合生物标志物。一项横断面研究是在北京111名年轻男子运动员中进行的，中国。通过7天评估食物中的总饮用水和水，24小时液体摄入问卷和重复部分法，分别。测试了24小时尿液和空腹血液样品的渗透压和电解质浓度。LD1（低饮酒者）组的差异，LD2，HD1和HD2（高饮酒者），根据总饮用液体的四分位数划分，使用单向方差分析进行比较，Kruskal-WallisH-tests,和卡方检验。共有109名受试者完成了研究。HD2组有更大量的TWI（总饮水量）和更高和更低的总饮用水液体和水从食物对TWI的贡献，分别,比LD1、LD2和HD1组(p<0.05)，但四组之间的食物水分含量没有显着差异（均p>0.05）。HD2组的参与者的水量高于LD1，LD2和HD1组的参与者（p<0.05）；SSB是总饮用液体的第二大贡献者，从24.0%到31.8%不等。处于最佳水合状态的受试者百分比从LD1组的11.8%增加到HD2组的58.8%(p<0.05)。HD2和HD1组的尿液体积比LD1和LD2组高212-227（p<0.05）。血浆生物标志物无显著差异(p>0.05),HD1组的K浓度高于LD1组（p<0.05）。总饮用液量较高的受试者比总饮用液量较低的受试者具有更好的水合状态。但不是更好的饮酒模式。习惯性总饮用液体不影响血浆生物标志物。
