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

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)***