Epidemiology Research International

Research Article

Uncertainty Analysis in Population-Based Disease Microsimulation Models

Table 3

Point estimates and 95% CI for hazard ratios of osteoarthritis in POHEM-OA*, estimated from the NPHS** (2000–2002); reference category: normal weight .
Male (95% CI)Female (95% CI)
Under weight
(BMI < 18.5)		—0.33 (0.02–0.4)
Normal weight
(18.5 ≤ BMI < 25)		1 (ref)1 (ref)
Over weight
(25 ≤ BMI < 30)		1.07 ( )1.76 (1.14–2.62)
Obese
(BMI ≥ 30.0)		1.69 ( )2.03 ( )
*POHEM-OA: Population Health Microsimulation model for osteoarthritis (OA) [46]; **NPHS: National Population Health Survey, a longitudinal household survey by statistics Canada with a sample of size of over 17,000 persons that started in 1994 [49].