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Table 2 Demographic characteristics of the study cohorts in selected study years

From: Transitions between versions of the International Classification of Diseases and chronic disease prevalence estimates from administrative health data: a population-based study

Characteristics

1974

1984

1994

2004

2018

N

360,341

554,894

656,290

726,005

824,816

Age, mean (SD)

37.3 (13.0)

38.5 (15.1)

42.0 (16.7)

45.2 (17.6)

48.0 (18.8)

Female (%)

49.0

50.0

50.8

51.4

51.2

  1. SD Standard Deviation
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BMC Public Health

ISSN: 1471-2458

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