Table 1

Age and sex distribution of lower respiratory infection encounters and person-time.

Age

Episodes

Years

Rate

Rate

95% CI

ratio

group

(M/F)


F

M

F

M

F

M

F

M


<1

3304

4252

32060.5

33032.2

0.1031

0.1287

1.25

1.19–1.31

1–4

6572

7523

25051.3

26424.2

0.2623

0.2847

1.09

1.05–1.12

5–14

9860

10517

76412.1

79600.7

0.1290

0.1321

1.02

1.00–1.05

15–24

4658

3495

57973.5

44746.9

0.0804

0.0781

0.97

0.93–1.01

25–34

7029

3841

135954.1

113350.0

0.0517

0.0339

0.66

0.63–0.68

35–44

8896

5690

120094.0

110367.8

0.0741

0.0516

0.70

0.67–0.72

45–54

7540

5162

79264.2

74378.0

0.0951

0.0694

0.73

0.70–0.76

55–64

4544

3105

34273.8

32041.1

0.1326

0.0969

0.73

0.70–0.76

65–74

8654

7138

26123.8

20967.0

0.1409

0.1154

0.82

0.79–0.85

75–84

2205

1387

10840.1

7312.5

0.2034

0.1897

0.93

0.87–1.00

>85

596

393

2023.0

917.0

0.2946

0.4286

1.45

1.28–1.65


Lazarus et al. BMC Public Health 2001 1:9   doi:10.1186/1471-2458-1-9

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