膳食炎症指数与伊朗女学生睡眠质量和肥胖的关系：一项横断面研究。
The association between dietary inflammatory index with sleep quality and obesity amongst iranian female students: A cross-sectional study.
机构信息
Student Research Committee, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
Department of Nutrition, School of Allied Medical Sciences, Ahvaz Jundishapur University of Medical Science, Ahvaz, Iran.
出版信息
Int J Clin Pract. 2021 May;75(5):e14061. doi: 10.1111/ijcp.14061. Epub 2021 Feb 10.
BACKGROUND
Overweight, obesity and lack of sleep quality as inflammatory states are the common problems amongst college students and the Association of Dietary Inflammatory Index (DII) with these problems amongst this population is unknown. We aimed to evaluate the relationship of the DII with obesity and sleep quality amongst Iranian female students.
METHODS
The present cross-sectional study was conducted on 249 female college students. The Dietary Inflammatory Index (DII) was calculated using a valid and reliable 147-item food frequency questionnaire (FFQ). To assess sleep quality, Pittsburgh Sleep Quality Index (PSQI) was used. Odds Ratio (OR) and 95% Confidence Intervals (CIs) were estimated for anthropometric indices and sleep quality according to the DII score. Linear regression was used to estimate the relationship between DII score with sleep and anthropometric indices.
RESULTS
There was a significant association evident between DII and sleep quality (>5 is considered as poor quality of sleep); ie, the odds ratios between DII quartile 2 vs 1 (unadjusted model: OR = 0.33 (CI: 0.14-0.74), P for trend = .002; model 1: the fully adjusted OR = 0.31(CI: 0.12-0.78), P for trend = .005; model 2:OR = 0.30 (CI: 0.12-0.78), P for trend = .005) to quartile 4(unadjusted model: OR = 1.13(CI: 0.45-2.80); model 1: OR = 1.11(CI: 0.44-2.79); model 2:OR = 1.13(CI: 0.44-2.87), P for trend = .005). Also, odds ratios increased significantly from quartile 2 to quartile 4 in all models for DII and sleep quality. According to the continuous score of DII, there was a significant positive association between DII and sleep quality in all three models: unadjusted, model 1, and model 2 (OR = 1.21 (CI: 1.05-1.40), OR = 1.21 (CI: 1.03-1.43), and OR = 1.22 (CI: 1.03-1.44), respectively.
CONCLUSIONS
In this study, after removing the effect of confounding factors, participants in the highest quartile of DII score had significantly higher PSQI global score.
背景
超重、肥胖和睡眠质量差是大学生常见的炎症状态，饮食炎症指数（DII）与这一人群的这些问题之间的关系尚不清楚。我们旨在评估 DII 与伊朗女大学生肥胖和睡眠质量的关系。
方法
本横断面研究纳入了 249 名女大学生。采用有效的、可靠的 147 项食物频率问卷（FFQ）计算饮食炎症指数（DII）。使用匹兹堡睡眠质量指数（PSQI）评估睡眠质量。根据 DII 评分，估计了人体测量指数和睡眠质量的比值比（OR）和 95%置信区间（CI）。线性回归用于估计 DII 评分与睡眠和人体测量指数之间的关系。
结果
DII 与睡眠质量之间存在显著关联（>5 被认为是睡眠质量差）；即，DII 四分位 2 与 1 相比（未调整模型：OR=0.33（CI：0.14-0.74），趋势 P 值=0.002；模型 1：完全调整的 OR=0.31（CI：0.12-0.78），趋势 P 值=0.005；模型 2：OR=0.30（CI：0.12-0.78），趋势 P 值=0.005）至四分位 4（未调整模型：OR=1.13（CI：0.45-2.80）；模型 1：OR=1.11（CI：0.44-2.79）；模型 2：OR=1.13（CI：0.44-2.87），趋势 P 值=0.005）。此外，在所有模型中，DII 和睡眠质量的四分位 2 到四分位 4 的比值比均显著增加。根据 DII 的连续评分，在所有三个模型（未调整模型、模型 1 和模型 2）中，DII 与睡眠质量之间均存在显著正相关：未调整模型（OR=1.21（CI：1.05-1.40），OR=1.21（CI：1.03-1.43），OR=1.22（CI：1.03-1.44）。
结论
在这项研究中，在去除混杂因素的影响后，DII 评分最高四分位的参与者 PSQI 总分显著较高。
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