Volume 17, Issue 5 pp. 304-312
Original article

Longitudinal association of obesity, metabolic syndrome and diabetes with risk of elevated aminotransferase levels in a cohort of Mexican health workers

Yvonne N. Flores

Corresponding Author

Yvonne N. Flores

Unidad de Investigación Epidemiológica y en Servicios de Salud, Instituto Mexicano del Seguro Social, Cuernavaca, Morelos, México

Department of Health Policy and Management, Center for Cancer Prevention and Control Research, Fielding School of Public Health and Jonsson Comprehensive Cancer Center, Los Angeles, California, USA

Correspondence to: Yvonne N. FLORES, Department of Health Policy and Management, Center for Cancer Prevention and Control Research, Fielding School of Public Health and Jonsson Comprehensive Cancer Center, UCLA, 650 Charles Young Drive South, A2-125 CHS, Box 956900, Los Angeles, California 90095, USA. Email [email protected]Search for more papers by this author
Allyn Auslander

Allyn Auslander

Department of Epidemiology, Fielding School of Public Health, UCLA, Los Angeles, California, USA

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Catherine M. Crespi

Catherine M. Crespi

Department of Biostatistics, Center for Cancer Prevention and Control Research, Fielding School of Public Health and Jonsson Comprehensive Cancer Center, UCLA, Los Angeles, California, USA

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Michael Rodriguez

Michael Rodriguez

Department of Family Medicine, David Geffen School of Medicine, UCLA, Los Angeles, California, USA

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Zuo-Feng Zhang

Zuo-Feng Zhang

Department of Epidemiology, Fielding School of Public Health, UCLA, Los Angeles, California, USA

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Francisco Durazo

Francisco Durazo

Department of Digestive Diseases, David Geffen School of Medicine and Pfleger Liver Institute, UCLA, Los Angeles, California, USA

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Jorge Salmerón

Jorge Salmerón

Unidad de Investigación Epidemiológica y en Servicios de Salud, Instituto Mexicano del Seguro Social, Cuernavaca, Morelos, México

Centro de Investigación en Salud Poblacional, Instituto Nacional de Salud Pública, Cuernavaca, Morelos, Mexico

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First published: 14 March 2016
Citations: 12
Conflict of interest: None.

Abstract

Objective

In Mexico, chronic liver disease have been increasingly found along with the rapidly growing prevalence of obesity, diabetes and metabolic syndrome (MS). We aimed to investigate the longitudinal association between these three factors and risk of elevated alanine aminotransferase (ALT) levels (>40 U/L), a marker for liver damage, in a cohort of Mexican adults.

Methods

Data were obtained from two separate waves of the Mexican Health Worker Cohort Study: Wave 1 (2004–2006) and Wave 2 (2011–2013). Unconditional logistic regression models were employed to determine the cross-sectional and longitudinal association between these risk factors and elevated ALT levels.

Results

The prevalence of elevated ALT was significantly higher among men, individuals aged under 60 years, those who were overweight or obese, diabetic, with MS or heavy/binge drinkers. The longitudinal results indicated that weight gain between waves that resulted in a change in body mass index, along with remaining overweight or obese, were significantly associated with an increased risk of elevated ALT levels. A significantly increased risk of developing elevated ALT was also observed among those who acquired diabetes or MS from Wave 1 to Wave 2.

Conclusions

Weight gain and acquiring diabetes or MS are associated with a significant risk of having elevated ALT. These results, within the context of the rapid increase in global obesity rates, call urgently for programs to help to prevent chronic liver disease.

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