Table 4 Health care costs in function of body mass index categories adjusted for age, gender, household educational level and lack of physical activity, Belgian population ≥ 18 years – underweight population was excluded, BHIS 2013—IMA2013-2017 (N = 4,504)
From: Health care costs and lost productivity costs related to excess weight in Belgium
| Â | Cost ratio | Standard error | P-value | 95% CI |
|---|---|---|---|---|
BMI categories | ||||
Normal weight (reference) | 1 | — | — | — |
Overweight | 1.24 | 0.11 | 0.010 | 1.05–1.47 |
Obese | 1.36 | 0.14 | 0.003 | 1.11–1.65 |
Age groups | ||||
18–34 years (reference) | 1 | — | — | — |
35–64 years | 1.44 | 0.20 | 0.009 | 1.09–1.89 |
 ≥ 65 years | 2.62 | 0.41 |  < 0.001 | 1.93–3.55 |
Gender | ||||
Male (reference) | 1 | — | — | — |
Female | 1.02 | 0.07 | 0.807 | 0.88–1.17 |
Household educational level | ||||
No diploma or primary education | 1.62 | 0.25 | 0.002 | 1.20–2.18 |
Lower secondary education | 1.48 | 0.16 |  < 0.001 | 1.21–1.82 |
Higher secondary education | 1.13 | 0.09 | 0.125 | 0.97–1.33 |
Higher education (reference) | 1 | — | — | — |
At risk due to lack of physical activity | ||||
Yes | 1.37 | 0.12 |  < 0.001 | 1.15–1.62 |
No (reference) | 1 | — | — | — |
Constant | 1,164 | 152 |  < 0.001 | 901–1,503 |