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. 2024 Feb 3;10(1):26.
doi: 10.1186/s40795-024-00834-0.

The association between energy-adjusted dietary inflammatory index and physical activity with sleep quality: a cross-sectional study

Mohammad Javad Zare  1 , Seyed Jalil Masoumi  2   3   4 , Morteza Zare  1
Affiliations

The association between energy-adjusted dietary inflammatory index and physical activity with sleep quality: a cross-sectional study

Mohammad Javad Zare et al. BMC Nutr. .

Abstract

Background: The study aimed to assess the independent and interactive association of energy-adjusted dietary inflammatory index (E-DII) and physical activity (PA) with sleep quality.

Method: A cross-sectional study was conducted on the 2466 participants (60% women). A 116-item food frequency questionnaire (FFQ) was applied to calculate E-DII, the International Physical Activity Questionnaire (IPAQ) long form for PA, and the Pittsburgh sleep quality index (PSQI) to assess sleep quality were collected via interview. Multivariate logistic regression was applied to assess independent and interactive associations of E-DII and PA with sleep quality.

Result: No significant association was observed between E-DII and sleep quality (OR: 0.96, 95% CI: 0.92_1.01). Also, there was no significant association between the levels of PA and sleep quality. Women had 70% increased odds for poor sleep quality (OR: 1.7, 95% CI: 1.39_2.09) compared with men. No interactive association was observed between E-DII and PA levels with sleep quality.

Conclusion: No significant association was observed between E-DII and PA levels with sleep quality. The study indicates a gender difference in sleep quality. Future prospective studies are required to confirm these findings.

Keywords: Diet; Dietary inflammatory index; Physical activity; Sleep; Sleep quality.

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Conflict of interest statement

The authors declare no competing interests.

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