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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