Food energy requirements are best determined from estimates of energy expenditure (EE), and factorial methods based on activity levels expressed as multiples of basal metabolic rate (BMR) have been ...

Objective: To describe a method to estimate physical activity level (PAL) values based on household surveys in which representative information of the population on the distribution of sex, age, ...

The Monthly publishes articles, as well as notes and other features, about mathematics and the profession. Its readers span a broad spectrum of mathematical interests, and include professional ...