杰西·埃尔·哈耶克、西贝尔·阿尔·哈耶克、贾法尔·贾法尔、娜塔莉·贾布拉延和安托万·法哈特
本研究旨在研究饮食、社会阶层和生活方式因素对圣母大学学生身体发育的影响。在这项横断面研究中，收集了社会阶层、生活方式、人体测量因素，包括身体发育（软瘦体重 (SLM)、肌肉与脂肪百分比 (PBF) 和直觉脂肪区域 (VFA)）。通过表观压力量表 (PSS) 测量压力。通过 MEDFICTS 评估饮食。在 392 名学生中，3.1% 体重过轻，59% 体重正常，40% 体重过重和肥胖。在女性中，10.5% 坚持治疗性生活方式改变 (TLC)，而男性 (2.5%) 则为 52.5%，而女性为 39.5%，需要改变饮食 (p<0.01)。坚持 TLC 的男性处于 PBF 的前三分之一。 PBF/VFA/SLM 第一三分位的参与者腰围 (WC)、BMI 和健康评分最低。只有 SLM 第一三分位的男性腰围与身高之比 (WHt) 最高。吸烟仅与男性的 PBF 相关。总睡眠时间与两性的 PBF/SLM 或女性的 VFA 均无相关性，而第一 VFA 三分位的男性睡眠时间 (7.5 小时) 比第三三分位的男性 (6.9 小时) 更长 (p<0.01)。尽管大多数样本体重正常，但大多数男性超重或肥胖。生活方式和饮食因素与身体合成之间的关系在性别之间并不相似；此外，在学校提供基于性别的营养干预也很重要。
Methods: A cross-sectional examination was completed on Notre Dame University (NDU) representatives, in the Zouk Mosbeh, North, and Shouf grounds. Before the commencement of the examination, the investigation convention was affirmed by the Institutional Review Board of NDU. Starting in October 2016, an e-welcome was sent to all staff and employees of NDU to welcome them to take an interest in the investigation. Following the e-welcome, four nutritionists visited all personnel and staff individuals in their workplaces to energize investment. Of the 600 reached workers in the three NDU grounds, 360 acknowledged to take an interest and were screened for qualification. Avoidance rules included pregnancy, lactation, inability to finish the surveys, and nearness of a pacemaker or metal pieces in the member's body. The individuals who were seen as qualified (n = 344) were approached to sign an educated assent structure and afterward reached by the examination agents to organize a 30-min up close and personal meeting. A distinguishing proof number was relegated to every member. All polls were named utilizing codes. The specialists kept up the rundown partner names with codes and were accountable for keeping it private.
Results: A sum of 344 representatives (half Male) matured somewhere in the range of 20 and 74 years took an interest in the examination. The greater part of the members were overweight and fat. Mean serum nutrient D focuses were 28.2 ± 13.9 ng/mL. Among members, 37.5% of our investigation populace had 25(OH)D ≥ 30 ng/mL, and 68.3% had 25(OH)D ≥ 20 ng/mL. People with low nutrient D status had essentially higher percent muscle to fat ratio (PBF) (p < 0.005), and higher abdomen periphery (WC) (p = 0.012) than in the adequate gathering, anyway BMI didn't vary by nutrient D status. Strategic relapse examination showed that a 1% expansion in muscle versus fat expands the chances of having 25(OH)D ≤ 30 ng/mL by 8% while controlling for BMI and different confounders (p = 0.019).
统计分析：假设黎巴嫩成年人维生素 D 缺乏的普遍率为 73% [5]，样本量确定为 303 人。定量和主观估计分别总结为平均值 ± 标准差和 n (%)。分别使用独立样本 T 检验/Mann-Whitney-U 检验和卡方检验/Fisher 精确检验对一致性和直接性因素进行检验。使用了两个计算复发模型，其中低维生素 D 状态（定义为 25(OH)D ≤ 30 ng/mL 或 ≤ 20 ng/mL）用作依赖变量，PBF 用作自由变量，控制 BMI、年龄、性取向、日光照射、维生素 D 摄入量、维生素 D 补充剂使用量、饮酒量、口服避孕药 (OCP) 摄入量、教育、防晒霜使用量、慢性疾病状态、工资、体力活动、胆固醇、甘油三酯、HDL 和 LDL 水平。使用 Windows 版社会科学统计软件包 (SPSS) 22 版进行事实调查。p 估计值低于 0.05 被认为具有事实依据。
结论：本研究强调了对黎巴嫩成年人，特别是高危人群进行低维生素 D 水平常规筛查的必要性，包括高风险腰围、高PBF、在室内工作且维生素 D 摄入量低的人群，并建议在必要时补充维生素 D。
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