Obesity - Size of problem

History

Obesity - Size of problem

click here to enlarge viewWith the rapid growth and development in the economy of Hong Kong and China, obesity and its associated morbidities are increasingly a health and societal burden to the region. In a territory-wide survey of Chinese adults in Hong Kong, the prevalence of overweight was even more alarming, as 26.9% of the men and 31.1% of the women studied were having BMI over 25. A recent multi-centre study of obesity problem in various Asia-Pacific countries revealed that nearly 3% of the Chinese and Hong Kong populations are medically obese (BMI > 30). These figures are alarming, as many obese patients will inevitably suffer from obesity-related disease and premature mortality.

Southeast Asia populations like Hong Kong and China have a higher risk of developing diabetes and cardiovascular disease than Caucasians who have the same BMI values, and WHO had recommended a lower the cut-off point for defining overweight (BMI > 23) or obese (BMI > 25) for Asian population.

While life-style modification, exercise, dietary training and medical therapy may be effective in weight control for slightly overweight people, those who are morbidly obese often fail with these simple measures. Bariatric surgery has been proven to be a most effective and long-lasting measure in the management of such a condition.

  BMI (kg/m2)
體重指數
Risk of co-morbidities
肥胖相關的發病風險
Waist circumference 腰圍
< 90cm (M )
< 80cm (F
)
> 90cm (M )
> 80cm (F
)
Normal weight
正常體重
18.2 - 22.9 Average
一般
Increased
增加
Overweight 過重 > 23    
At risk 危險期 23 - 24.9 Increased
增加
Moderate
中度增加
Obese I 肥胖 25 - 29.9 Moderate
中度增加
Severe
嚴重增加
Obese II 嚴重肥胖 >30 Severe
嚴重增加
Very Severe
非常嚴重增加
(病態型肥胖)

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