Abstract
Background
Overweight and obesity is one of the most serious public health challenges of the 21st century. Despite the consequences of obesity, participation in weight management programs. Aim of this study is to estimate the clinical burden of obese patients in government primary care clinics in Kuching, Sarawak. We use randomized patients from these clinics to carry out a willingness to pay study for weight management and estimated the economic burden of overweight and obesity management in primary care setting in Sarawak. Identifying their willingness to pay will help in formulation and implementation of policies for effective weight management therefore improve the quality of care in future. Clinic based cross-sectional study involving 252 randomly overweight and obese patients (with BMI ≥ 23), age 18 to 59 years old, who attended outpatient department.
Results
Patients indicated their preference for three hypothetical weight reduction programs: diet, exercise, drug and combination of all. Data from secondary sources was used to estimate the prevalence of overweight and obesity in Sarawak. Out of 1,504,779 patients aged 18 to 59 years attending government health clinics in Sarawak, it was estimated that overweight and obesity would account for approximately 30% of total adult patients (451,433 patients). Conversion to USD was based on December 2015 conversion rate of USD 100 to MYR 430.31. The median willingness to pay was MYR 44.87 (USD 11.56), MYR 88.80 (USD 21.01), and MYR 60.18 (USD14.24) for Drug and Exercise, Diet and Exercise and Drug, Diet and Exercise respectively.
Conclusion
Resource allocation for weight management intervention in Sarawak, Malaysia depend on evaluation of weight management intervention (objectively measured by WTP) and the availability of fixed budget from State Health Department. The total WTP for weight reduction intervention via diet and exercise was MYR 22, 512, 963.71 (USD 5,231,801.19), while weight reduction intervention via drug, diet and exercise was MYR of 40, 087, 250.40 (USD 9,315,900.30 ) and weight reduction intervention via drug and exercise was MYR 27, 167, 237.94 (USD 6,313,410.78). Clinical and economic burden of overweight and obesity in Sarawak is substantial. Therefore implementation of effective policies and programs are essential in tackling obesity.