Table 2

Multivariate-adjusted relative risk of annual prevalence of type 2 diabetes rates for sex, age, time, insurance premium, and urbanization level
Variable Crude relative risk (95% CI) Multivariate-adjusted relative risk (95% CI)a
Logistic regression model-type 2 diabetes prevalence
2000 1 1
2001 1.1 (1.0–1.1)*** 1.0 (1.0–1.0)***
2002 1.1 (1.1–1.1)*** 1.1 (1.1–1.1)***
2003 1.1 (1.1–1.1)*** 1.1 (1.1–1.1)***
2004 1.2 (1.2–1.2)*** 1.2 (1.2–1.2)***
2005 1.3 (1.3–1.3)*** 1.3 (1.3–1.3)***
2006 1.4 (1.3–1.4)*** 1.4 (1.4–1.4)***
2007 1.4 (1.4–1.4)*** 1.4 (1.4–1.4)***
Sex
Male 1.1 (1.0–1.1)*** 1.0 (1.0–1.0)***
Female 1 1
Age
20–39 1 1
40–59 9.9 (9.9–9.9)*** 10.0 (10.0–10.0)***
60–79 31.5 (31.4–31.6)*** 30.2 (30.1–30.3)***
≥ 80 34.1 (34.0–34.2)*** 31.8 (31.7–31.9)***
Insurance premium
Dependent population 1 1
<Median 0.7 (0.7–0.7)*** 0. 9 (0.9–0.9)***
≥Median 0.4 (0.4–0.4)*** 0.8 (0.8–0.8)***
Urbanization level
High-density urban area 1 1
Medium-density urban area 1.1 (1.135–1.139)*** 1.1 (1.1–1.1)***
Newly developed area 1.0 (1.046–1.050)*** 1.0 (1.0–1.0)***
General area 1.3 (1.330–1.336)*** 1.0 (1.0–1.0)***
Aging society area 1.8 (1.8–1.8)*** 1.1 (1.1–1.1)***
Rural area 1. 6 (1.6–1.6)*** 1.0 (1.0–1.0)***
Non-developed area 1.4 (1.4–1.5)*** 1.0 (1.0–1.1)***

***: p < 0.001.

a: Modeled as an ordinal variable in a separate multivariate model with insurance premium, sex, age, insurance premium, and urbanization degree.

CI: confidence interval.

Lin et al.

Lin et al. BMC Public Health 2013 13:318   doi:10.1186/1471-2458-13-318

Open Data