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Table 2 Mean (standard deviation (S.D)) crude sex- and BMI-specific yearly healthcare costs

From: Body mass index and healthcare costs: using genetic variants from the HUNT study as instrumental variables

Type of healthcare

BMI-categorya

Males & females

Sex

Male

Female

Mean (S.D) (€)

Mean (S.D) (€)

Mean (S.D) (€)

GP costs

Underweight

201.7 (216.8)

122.2 (121.2)

224.1 (232.1)

Normal weight

154.4 (163.9)

134.7 (165.8)

166.4 (161.5)

Overweight

175.3 (173.1)

157.3 (166.8)

196.6 (177.9)

Class I Obesity

216.1 (199.3)

198.1 (195.3)

232.4 (201.5)

Class II Obesity

276.5 (233.3)

267.9 (253.9)

280.4 (223.2)

Specialist Costs

Underweight

3454.3 (10,268.7)

2496.0 (6469.4)

3724.2 (11,101.2)

Normal weight

1804.9 (5616.0)

1949.7 (5982.9)

1716.1 (5376.6)

Overweight

2130.9 (6193.9)

2225.4 (7046.7)

2019.0 (4996.4)

Class I Obesity

2481.4 (6536.6)

2387.8 (5839.9)

2566.2 (7108.5)

Class II Obesity

3214.1 (7479.6)

3831.7 (9849.7)

2930.8 (6073.2)

Total costs

Underweight

3656.0 (10,343.2)

2618.3 (6517.7)

3948.4 (11,179.3)

Normal weight

1959.3 (5667.6)

2084.4 (6040.3)

1882.5 (5425.1)

Overweight

2306.2 (6247.1)

2382.7 (7096.4)

2215.5 (5058.6)

Class I Obesity

2697.5 (6602.6)

2585.9 (5915.0)

2798.6 (7167.9)

Class II Obesity

3490 (7556.8)

4099.6 (9934.7)

3211.2 (6149.5)

  1. aThe BMI-categories were defined as follows: Underweight = BMI < 18.5, normal weight = BMI: 18.5–24.9, overweight = BMI: 25.0–29.9, class I obesity = BMI: 30.0–34.9, and class II obesity = BMI ≥35.0