Cohort profile: the Trivandrum non-alcoholic fatty liver disease (NAFLD) cohort.

Purpose: The Trivandrum non-alcoholic fatty liver disease (NAFLD) cohort is a population-based study designed to examine the interaction between genetic and lifestyle factors and their association with increased risk of NAFLD within the Indian population.

Participants: Between 2013 and 2016, a total of 2222 participants were recruited to this cohort through multistage cluster sampling across the whole population of Trivandrum-a district within the state of Kerala, South India. Data were collected from all inhabitants of randomly selected households over the age of 25.

Prevalence of gastro-esophageal reflux disease and its risk factors in a community-based population in southern India.

Background: The prevalence of gastro-esophageal reflux disease (GERD) varies widely around the world. This study aimed to investigate the prevalence and risk factors of GERD in a general population of southern India.

Methods: An interview-based observational study was carried out in southern India during 2010 and early 2011 using a GERD questionnaire (GerdQ).