Now showing items 1-3 of 3

    • The Association between Lifetime Smoking Exposure and Breast Cancer Mortality – Results from a Norwegian Cohort 

      Bjerkaas, Eivind; Gram, Inger Torhild; Parajuli, Ranjan; Weiderpass, Elisabete; Mascarinec, G; Engeland, Anders (Journal article; Tidsskriftartikkel; Peer reviewed, 2014)
      Several recent cohort studies have found an association between smoking and breast cancer, but the association between lifetime smoking exposure and breast cancer mortality is less well described. We examined whether smoking before breast cancer diagnosis is a predictor of breast cancer mortality in a large cohort with more than 4.1 million years of follow-up, with a special focus on women who ...
    • Cigarette smoking and colorectal cancer mortality among 602,242 Norwegian males and females 

      Parajuli, Ranjan; Bjerkaas, Eivind; Tverdal, Aage; Le Marchand, Loïc; Weiderpass, Elisabete; Gram, Inger Torhild (Journal article; Tidsskriftartikkel; Peer reviewed, 2014)
      Background: Colorectal cancer (CRC) is one of the main cancer types, with high incidence and mortality in Norway. We examined the association between different measures of smoking exposure and CRC mortality overall and by subsite in a large Norwegian cohort. Methods: We followed 602,242 participants from four Norwegian health surveys, aged 19–67 years at enrollment between 1972 and 2003 by linkage ...
    • Smoking duration before first childbirth: an emerging risk factor for breast cancer? Results from 302,865 Norwegian women 

      Bjerkaas, Eivind; Parajuli, Ranjan; Weiderpass, Elisabete; Engeland, Anders; Gertraud, Maskarinec; Selmer, Randi; Gram, Inger Torhild (Journal article; Tidsskriftartikkel; Peer reviewed, 2013)
      Purpose: Recently, The International Agency for Research on Cancer classified cigarette smoking as possibly carcinogenic to the human breast. Since some new cohort studies have suggested that this risk is confined to women who started to smoke before first childbirth, we wanted to examine the association between smoking and breast cancer, with a focus on time of smoking initiation in relation to the ...