Trend of adults’ occupational physical activity levels and nutritional status over four decades in Brazil

Abstract Objective: to evaluate the trend of adults’ (≥ 20 years) occupational physical activity levels and nutritional status in Brazilian national surveys carried out over four decades. Methods: the declared data regarding main occupation was stratified in three physical activity levels (light, moderate, and heavy) according to the classifications in force when the surveys were conducted. The nutritional status was determined according to the World Health Organization classification based on the body mass index (BMI, kg.m-2) as underweight (BMI