Findings published by researchers from the University of Basel, Switzerland, and the Max Planck Institute for Human Development in Berlin, Germany, were based on research on more than 10,000 people across nine countries.
Marriage BMI link
It found that the average BMI of a single man in the study was 25.7 compared with 26.3 for a married man. The figures for women were 25.1 and 25.6. The paper was titled Higher Body Mass Index, less exercise but healthier eating in married adults: Nine representative surveys across Europe.
The research, featured in Social Science and Medicine, looked at 10,226 respondents from Austria, France, Germany, Italy, the Netherlands, Poland, Russia, Spain and the UK.