Table 3

Comparison between distribution of gender and age in GIS and the Dutch population

Males (%)

Females (%)

    Age

    GIS

    DP

    R (CI)

    GIS

    DP

    R (CI)

0–10

2.8

14.6

0.15 (0.13–0.18)

2.8

14.4

0.16 (0.14–0.19)

11–20

7.9

12.2

0.60 (0.55–0.65)

10.7

11.6

0.90 (0.83–0.97)

21–30

11.1

12.8

0.88 (0.81–0.95)

14.4

11.8

1.22 (1.15–1.31)

31–40

17.4

16.7

1.09 (1.02–1.16)

19.9

15.4

1.36 (1.29–1.45)

41–50

22.2

14.5

1.54 (1.45–1.64)

22.8

13.8

1.69 (1.59–1.78)

51–60

22.2

12.7

1.77 (1.67–1.88)

17.2

12.2

1.35 (1.27–1.44)

61–70

11.1

8.9

1.27 (1.17–1.37)

9.9

9.0

1.12 (1.04–1.21)

71–80

4.7

5.5

0.85 (0.76–0.95)

2.1

7.1

0.29 (0.24–0.33)

>80

0.6

2.1

0.29 (0.21–0.39)

0.2

4.7

0.04 (0.02–0.06)


GIS: Great Influenza Survey 2003–2004 (Males: n = 6,250; Females: n = 7,050)

DP: Dutch population (data from Dutch Statistics; Males: n = 8,065,000; Females: n= 8,234,000)

R: Ratio

CI: 95% confidence interval (Calculated according to Gardner and Altman (ref. 28)

Marquet et al. BMC Public Health 2006 6:242   doi:10.1186/1471-2458-6-242

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