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. Author manuscript; available in PMC: 2017 May 17.
Published in final edited form as: Ann Epidemiol. 2015 Aug 19;25(11):803–810. doi: 10.1016/j.annepidem.2015.08.002

Figure 2.

Figure 2

Forest plot showing hazard ratio estimates of association of personal application of insecticides with risk of diffuse large B cell lymphoma, stratified by age (< 65 versus ages 65+), derived from cox proportional hazard models that included an interaction term between the exposure and age. The referent category for ever personally applied insecticides was women who reported never personally using insecticides. The referent category for the other exposure metrics consisted of women who reported that they neither personally applied/mixed insecticides nor had a commercial or lawn service apply insecticides in their home. The baseline hazard functions were stratified by age at baseline and a time varying indicator for extension study participation. All models were adjusted for age, race/ethnicity, education, United States region of residence, occupational type, body mass index and smoking status.