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Cadernos de Saúde Pública

Print version ISSN 0102-311X

Abstract

SOUZA, Mirian Carvalho de; VASCONCELOS, Ana Glória Godoi  and  CRUZ, Oswaldo Gonçalves. Trends in lung cancer mortality in Brazil from the 1980s into the early 21st century: age-period-cohort analysis. Cad. Saúde Pública [online]. 2012, vol.28, n.1, pp. 21-30. ISSN 0102-311X.  http://dx.doi.org/10.1590/S0102-311X2012000100003.

The aim of this study was to describe the pattern of trends in lung cancer mortality in Brazil and identify the effects of the factors age, period and cohort (APC) on mortality rates. A time series study was conducted using secondary population-based data. Lung cancer mortality rates by sex were calculated for the period 1980 to 2007. APC models were adjusted to identify the influence of age, period and cohort effects on rates. Lung cancer mortality rates are significantly higher among men. Specific rates for men over the age of 64 and for women of all ages are increasing. There was a greater increase of adjusted rates among women. With respect to the age effect, mortality risk increases with age starting with the earliest age groups. With regard to the cohort effect, there is a lesser risk of mortality among men born after 1950 and an increasing risk across all cohorts among women. The results regarding younger generations indicate that present trends are likely to continue. The cohort effect among women suggests an increasing trend in mortality rates, whereas a decrease in rates among men under the age of 65 suggests that this trend will continue. These trends reflect tobacco control measures adopted since 1986.

Keywords : Lung Neoplasms; Logistic Models; Mortality.

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