Background:

non-alcoholic fatty liver disease is the most common liver disease globally. It is usually asymptomatic with a liver manifestation of metabolic syndrome.

Aim:

to estimate the risk of fatty liver by means of the FLI index and its relationship with BMI, adiposity indicators, lifestyle habits and socio-demographic variables.

Material and Methods:

cross-sectional descriptive study in 815 workers aged 18-66 years during the health monitoring of companies taking part from March 2020-June 2021.

The fatty liver index-FLI calculator was used and relationships were established with sociodemographic variables, adiposity indices, eating habits and physical activity using PREDIMED and IPAQ questionnaires.

Results:

FLI > 60 is significantly related to BMI, waist circumference and waist hip index. BMI increases the risk almost 20 times (odds ratio 19.87, 95% CI 10.84-36.44). Values are worse in men and risk increases with age. A medium to high FLI > 30 reveals a significant relationship with adherence to MedDiet and with physical activity performed. There are differences between the sexes (P < 0.0001).

Conclusion:

fatty liver risk increases with obesity and unhealthy lifestyle habits. Values are more unfavourable among men. It highlights the importance of evaluating adiposity indicators together with BMI.

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