Evaluating socio-economic inequality in cause-specific mortality among the working population requires large cohort studies. Through this census-based study, we aimed to quantify disparities in mortality across occupation-based social classes in Italy.
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We conducted a historical cohort study on a sample of more than 16 million workers. We estimated the mortality rate ratios for each social class, considering upper non-manual workers as reference.
Non-skilled manual workers showed an increased mortality from upper aero-digestive tract, stomach and liver cancers, and from diseases of the circulatory system, transport accidents and suicides in both sexes, and from infectious diseases, diabetes, lung and bladder cancers only in men. Among women, an excess mortality emerged for cervical cancer, whereas mortality from breast and ovarian cancers was lower. When education was taken into account, the excess mortality decreased in men while was no longer significant in women.
There are remarkable disparities across occupation-based social classes in the Italian working population that favour the upper non-manual workers. Our data could be useful in planning policies for a more effective health and social security system.
International journal of public health. 2018 Jul 26 [Epub ahead of print]
Paola Bertuccio, Gianfranco Alicandro, Gabriella Sebastiani, Nicolas Zengarini, Giuseppe Costa, Carlo La Vecchia, Luisa Frova
Department of Clinical Sciences and Community Health, Università degli Studi di Milano, Via Vanzetti 5, 20133, Milan, Italy., Department of Clinical Sciences and Community Health, Università degli Studi di Milano, Via Vanzetti 5, 20133, Milan, Italy. ., Italian National Institute of Statistics, Rome, Italy., Epidemiology Unit, ASL TO3 Piedmont Region, Grugliasco, TO, Italy.