Table 1

Key parameters in the model (prevalence, health state utilities and mortality rates)

ParametersAge groups, yearsFemalesMalesDistributions
BMI categoriesHealthy weightOverweightObeseHealthy weightOverweightObese
Prevalence (95% CI)
50–590.468 (0.413 to 0.520)0.259 (0.235 to 0.314)0.262 (0.221 to 0.305)0.656 (0.590 to 0.713)0.271 (0.219 to 0.334)0.072 (0.044 to 0.121)
60–690.520 (0.461 to 0.578)0.243 (0.204 to 0.290)0.237 (0.181 to 0.300)0.687 (0.614 to 0.760)0.275 (0.204 to 0.349)0.038 (0.021 to 0.066)
70–790.587 (0.511 to 0.645)0.282 (0.233 to 0.345)0.131 (0.093 to 0.192)0.819 (0.758 to 0.866)0.139 (0.098 to 0.196)0.043 (0.024 to 0.080)
85+0.759 (0.659 to 0.808)0.153 (0.099 to 0.299)0.088 (0.065 to 0.169)0.774 (0.677 to 0.855)0.202 (0.122 to 0.301)0.024 (0.008 to 0.072)
Health state utilities (average (95% CI))50–590.807 (0.792 to 0.823)0.805 (0.786 to 0.825)0.795 (0.772 to 0.818)0.837 (0.821 to 0.852)0.840 (0.813 to 0.866)0.797 (0.722 to 0.871)Beta
60–690.793 (0.775 to 0.810)0.802 (0.782 to 0.823)0.754 (0.708 to 0.800)0.822 (0.809 to 0.836)0.815 (0.783 to 0.847)0.832 (0.764 to 0.899)Beta
70+0.737 (0.719 to 0.756)0.733 (0.701 to 0.765)0.710 (0.654 to 0.766)0.763 (0.743 to 0.782)0.729 (0.669 to 0.789)0.715*Beta
Mortality rates
(per 1000) for the general population
50–540.0090.012
55–590.0120.017
60–640.0210.026
65–690.0340.040
70–740.0590.067
75–790.1020.112
80–840.1640.177
85+0.2730.286
  • Prevalence,15 health state utilities16 and mortality rates19 were taken from previous studies.

  • *CIs were not estimated due to insufficient data, (the subsample for males with obesity in age group 70 years and above, n=13).

  • BMI, body mass index.