Association between the Increase in Body Mass Index and Medical Absenteeism in a Peruvian Mining Population.

Background: Obesity and overweight are associated with work absenteeism of medical cause. However, there is little knowledge on the relationship between incremental body mass index (BMI) and absenteeism.

Objective: To assess the effect of annual increase in BMI on amount of prolonged absenteeism.

[Hemoglobin changes (Hb) in miners exposed to high altitude and associated factors].

Aim: To determine the variation of hemoglobin (Hb) in two groups of miners working at different altitudes.

Methodology: A longitudinal study conducted in a private company. Hb was obtained from entrance exams and annual checks of workers at two locations: at sea level and at Peruvian highlands (4,100 m), taken by trained staff and equipment calibrated to environmental conditions.