Table 1

Baseline participant characteristics by history of diagnosed diabetes

History of diagnosed diabetes

P-value*


Overall

No

Yes


N

1873

1587

286


Age (years; mean ± SE)

73.0 ± 0.14

73.0 ± 0.15

73.1 ± 0.36

0.943


Sex (% female)

48.7

48.7

48.6

0.973


Education (years; mean ± SE)

4.9 ± 0.11

4.9 ± 0.12

5.1 ± 0.30

0.535


Marital status (%married or living with partner)

66.8

67.2

64.3

0.338


Smoking status (%current)

19.4

19.7

17.8

0.454


Functional status (%)


High

47.7

50.5

32.5

< 0.001


Middle

44.6

43.0

53.8


Low

7.6

6.6

13.6


Heart disease (% yes)

23.4

21.6

32.9

< 0.001


Hypertension (% yes)

39.6

37.3

52.3

< 0.001


Stroke (% yes)

7.6

6.4

14.4

< 0.001


Number of other conditions(%)


0

49.6

52.1

35.3

< 0.001


1

32.8

32.4

34.5


≥ 2

17.7

15.4

30.2


Duration of diabetes (years; mean ± SE)

10.0 ± 0.55

-


Use Insulin (% yes)

19.7

-


*Continuous variables were compared using the Student's t-test and shown as the mean ± standard error (SE). Categorical variables were compared using Pearson's Chi-square test and shown as percentages.

Other conditions include heart disease, hypertension, and stroke.

Li et al. BMC Public Health 2011 11:953   doi:10.1186/1471-2458-11-953

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