Research Article

Developing a Dynamic Microsimulation Model of the Australian Health System: A Means to Explore Impacts of Obesity over the Next 50 Years

Table 3

Models for transition probabilities within health module.

OutcomeYearsStatistical modelExplanatory variables

Inadequate physical activity2001–2007Pooled dynamic logistic regressionAge, couple, bachelor degree, employed, kids in household, adults in household, household income, smoker in previous year, at-risk alcohol consumption in previous year, inadequate physical activity in the previous year, and health status in previous year

Smoker2002–2007Pooled dynamic logistic regressionAge, couple, bachelor degree, employed, kids in household, adults in household, household income, at-risk alcohol consumption in previous year, inadequate physical activity in the previous year, and health status in previous year

At-risk alcohol consumption2002–2007Pooled dynamic logistic regressionAge, couple, bachelor degree, employed, kids in household, adults in household, household income, at-risk alcohol consumption in previous year, inadequate physical activity in the previous year, and health status in previous year

Obese2006–2008Pooled dynamic logistic regressionAge, education, current smoker, physical activity, at-risk alcohol consumption, health status, and obesity t−1

Health status2006–2008Pooled dynamic generalised ordinal logistic regressionAge, couple, bachelor degree, employed, kids in household, adults in household, household income, smoking status, at-risk alcohol consumption, physical activity, obese, and health status, t−1

Private health insurance2005–2007Multinomial logistic regression Age, gender, and change in status of (education level, labour force status, income, household structure, and marital status)

Medical services used2001–2008Logistic regression model and probability tablesAge, sex, education, labour force status, health status, and private health insurance

Prescriptions used2001–2008Logistic regression and negative binomial regression modelsAge, sex, education, labour force status, income, health status, and age-sex interactions

Hospital admissionsLogistic regression and negative binomial regression modelsAge, sex, labour force status, and private health insurance

Medical costsTables of costs per serviceAge and sex

Prescription costsTables of costs per scriptAge and sex

Hospital costsTables of cost per bed dayAge