Time trend analysis of the prevalence and incidence of diagnosed type 2 diabetes among adults in Taiwan from 2000 to 2007: a population-based study

BMC Public Health

Table 3 Multivariate-adjusted relative risk of annual incidence rates of type 2 diabetes for sex, age, time, insurance premium, and urbanization level

Variable	Crude relative risk (95% CI)	Multivariate-adjusted relative risk (95% CI)
Logistic regression model-type 2 diabetes incidence
2000	1	1
2001	1.0 (1.0–1.0)	0.9 (0.9–1.0)***
2002	1.0 (1.0–1.0)	1.0 (1.0–1.0)***
2003	0.9 (0.9–0.9)***	0.9 (0.9–1.0)***
2004	0.9 (0.9–0.9)***	1.0 (1.0–1.1)***
2005	0.9 (0.9–0.9)***	0.9 (0.9–0.9)***
2006	0.9 (0.9–0.9)***	0.9 (0.9–0.9)***
2007	0.9 (0.9–0.9)***	0.9 (0.9–0.9)***
Sex
Male	1.2 (1.2–1. 2)***	1.2 (1.1–1.2)***
Female	1	1
Age
20–39	1	1
40–59	6.9 (6.9–7.0)***	7.0 (6.9–7.1)***
60–79	16.2 (16.1–16.3)***	15.5 (15.3–15. 6)***
≥80	15.6 (15.4–15.8)***	14.9 (14.7–15.0)***
Insurance premium
Dependent population	1	1
<Median	0.8 (0.8–0.8)***	0.9 (0.9–0.9)***
≥Median	0.6 (0.6–0.6)***	0.8 (0.8–0.8)***
Urbanization level
High-density urban area	1	1
Medium-density urban area	1.1 (1.1–1.1)***	1.1 (1.1–1.1)***
Newly developed area	1.0 (1.0–1.0)***	1.0 (1.0–1.0)***
General area	1.3 (1.3–1.3)***	1.0 (1.0–1.1)***
Aging society area	1.7 (1.7–1.7)***	1.1 (1.1–1.1)***
Rural area	1.5 (1.5–1.5)***	1.1 (1.1–1.1)***
Non-developed area	1.4 (1.4–1.4)***	1.1 (1.1–1.1)***