Multivariate analysis of associations between presence of chronic disease and inpatient treatment with expense, measured by both the actual amount and percentage.

*Adjusted for household characteristics (household size, presence of younger than 18, presence of older than 65, basic insurance coverage, commercial insurance coverage, per capita income, city, Hukou) and household head characteristics (age, gender, education, occupation, marital status). Est: estimated regression coefficient in linear regression. OR: odds ratio in logistic regression.