BMC gastroenterology · 2022
Empirically derived dietary pattern and odds of non-alcoholic fatty liver diseases in overweight and obese adults: a case-control study.
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Talenezhad Nasir, Mirzavandi Farhang, Rahimpour Shahab, Amel Shahbaz Amir Pasha, Mohammadi Mohammad, Hosseinzadeh Mahdieh
Аннотация
BACKGROUND: The prevalence of non-alcoholic fatty liver disease (NAFLD) is rising at an exponential rate throughout the world. Given the confirmed association between nutritional status and NAFLD, this study aimed to investigate the relationship of dietary patterns with NAFLD in overweight and obese adults.
METHODS: In this age- and gender-matched case-control study, 115 newly diagnosed cases and 102 control individuals participated. A validated 178-item semi-quantitative food frequency questionnaire was administered to assess the participants' dietary data. Dietary patterns were extracted from 24 predefined food groups by factor analysis. Multivariate logistic regression was run to evaluate the relationship between dietary patterns and NAFLD.
RESULTS: Factor analysis resulted in: "western", "traditional", and "snack and sweets" dietary patterns. The NAFLD odds were greater in participants at the highest quintile of the "western" dietary pattern than the lowest quintile (OR: 3.52; 95% CI: 1.64, 8.61). A significant increasing trend was observed in NAFLD odds across increasing quintiles of the "western" dietary pattern (P-trend = 0.01). After adjusting for the potential confounders, this relationship remained significant (OR: 3.30; 95% CI: 1.06-10.27). After full adjustments, NAFLD had no association with "traditional" or "snack and sweets" dietary patterns.
CONCLUSION: The "western" dietary pattern containing fast food, refined grains, liquid oil, pickles, high-fat dairy, sweet desserts, red meat, tea, and coffee was associated with increased odds of NAFLD. However, further prospective studies are required to establish these results.
METHODS: In this age- and gender-matched case-control study, 115 newly diagnosed cases and 102 control individuals participated. A validated 178-item semi-quantitative food frequency questionnaire was administered to assess the participants' dietary data. Dietary patterns were extracted from 24 predefined food groups by factor analysis. Multivariate logistic regression was run to evaluate the relationship between dietary patterns and NAFLD.
RESULTS: Factor analysis resulted in: "western", "traditional", and "snack and sweets" dietary patterns. The NAFLD odds were greater in participants at the highest quintile of the "western" dietary pattern than the lowest quintile (OR: 3.52; 95% CI: 1.64, 8.61). A significant increasing trend was observed in NAFLD odds across increasing quintiles of the "western" dietary pattern (P-trend = 0.01). After adjusting for the potential confounders, this relationship remained significant (OR: 3.30; 95% CI: 1.06-10.27). After full adjustments, NAFLD had no association with "traditional" or "snack and sweets" dietary patterns.
CONCLUSION: The "western" dietary pattern containing fast food, refined grains, liquid oil, pickles, high-fat dairy, sweet desserts, red meat, tea, and coffee was associated with increased odds of NAFLD. However, further prospective studies are required to establish these results.