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Table 1 Estimates of Relative Risk (RR) and confidence interval with 95% reliability of age, birth cohort and period, in the Metropolitan and the Serrana regions of Rio de Janeiro

From: Brain cancer mortality in an agricultural and a metropolitan region of Rio de Janeiro, Brazil: a population-based, age-period-cohort study, 1996–2010

Variables

Serrana region

Metropolitan region

N

RR

95% CI

N

RR

95% CI

Age

      

 20 to 24

10

Reference

126

Reference

 25 to 29

9

0.49

0.28 - 0.88

139

1.13

1.09 - 1.18

 30 to 34

15

0.64

0.34 - 1.20

207

1.73

1.65 - 1.81

 35 to 39

19

1.05

0.52 - 2.11

240

2.07

1.97 - 2.17

 40 to 44

27

1.95

0.95 - 4.00

353

3.15

3.00 - 3.31

 45 to 49

28

2.51

1.20 - 5.25

464

4.45

4.23 - 4.68

 50 to 54

44

6.58

3.08 - 14.08

588

6.47

6.15 - 6.81

 55 to 59

46

10.37

4.79 - 22.44

615

8.25

7.84 - 8.69

 60 to 64

61

18.87

8.67 - 41.07

719

11.96

11.36 - 12.60

 65 to 69

63

27.7

12.65 - 60.66

695

14.99

14.23 - 15.80

 70 to 74

49

27.13

12.33 - 59.72

627

17.60

16.70 - 18.54

 75 to 79

41

33.63

15.24 - 74.22

549

23.78

22.55 - 25.07

Birth cohort

     

 1920-24

8

0.58

0.44 - 0.78

124

0.88

0.86 - 0.90

 1925-29

31

0.80

0.67 - 0.94

374

1.03

1.02 - 1.05

 1930-34

55

0.70

0.61 - 0.80

646

0.94

0.94 - 0.95

 1935-39

48

0.59

0.52 - 0.52

685

0.99

0.98 - 1.00

 1940-44

52

0.68

0.61 - 0.75

648

Reference

 

 1945-49

58

Reference

 

625

1.04

1.03 - 1.05

 1950-54

35

0.81

0.72 - 0.93

603

1.06

1.04 - 1.07

 1955-59

34

1.19

1.01 - 1.41

497

0.97

0.95 - 0.98

 1960-64

32

2.00

1.53 - 2.60

370

0.93

0.91 - 0.94

 1965-69

21

1.67

1.20 - 2.32

265

0.90

0.88 - 0.92

 1970-74

14

2.23

1.46 - 3.42

195

0.92

0.89 - 0.95

 1975-79

12

2.72

1.54 - 4.81

152

0.86

0.83 - 0.89

 1980-84

7

4.07

1.83 - 9.04

96

0.90

0.86 - 0.95

 1985-89

5

4.17

1.79 - 9.74

42

0.95

0.89 - 1.02

Period

      

 1996 to 2000

102

Reference

1554

Reference

 2001 to 2005

129

0.98

0.92 - 1.03

1718

0.98

0.97 - 0.98

 2006 to 2010

181

1

1

2050

1

1