Background: Hyperglycaemia increases the risk of type 2 diabetes, heart disease and stroke, and is influenced by weight. However, the impact of preceding weight change on blood glycemia levels in late-life is less well understood.

Aim: We studied the interplay between weight change and risk of hyperglycaemia in a prospective cohort of elderly women.

Methods: Elderly Caucasian women (age: 67.1 years at baseline,≥ 5.6 mmol/L or HbA1c ≥ 42 mmol/mol) in normalweight (BMI ≤ 25 kg/m2), overweight (BMI = 25-29.9 kg/m2) and obese (BMI ≥ 30 kg/m2) women who either lost weight, were weight-stable or had gained weight at follow-up.

Results: Overweight and obese elderly women who had gained weight at follow-up presented an increased risk of hyperglycaemia,

Conclusions: Losing weight in late life had a positive effect on the risk of hyperglycaemia in overweight and obese women, while further, weight gain increased the risk of hyperglycaemia. The study highlights that strategies to reduce weight in obese and overweight elderly women could have a positive influence on disease burden in late-life.

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