In January 2001, 7000 men aged 45–54 years joined a new health insurance plan and were offered a free health check; 1200

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In January 2001, 7000 men aged 45–54 years joined a new healthinsurance plan and were offered a free health check; 1200 of themen were found to be overweight or obese. Ten years later the menwere checked again, and 1100 men who were normal weight in 2001were now overweight or obese, while 300 of those who wereoverweight or obese in 2001 had lost weight and were now in thenormal range.
1. What was the prevalence of overweight and obesity in the menin January 2001?
2. What was the prevalence of overweight and obesity in the menin January 2011?