An international peer-reviewed journal in all aspects of occupational & environmental medicine

Occup Environ Med

2001;58:145-153 doi:10.1136/oem.58.3.145

Relation between exposure to asbestos and smoking jointly and the risk of lung cancer

Table 1

Multiplicative model (F₁,F₂,F₃,F₄) and the population distribution of exposure

Group		Proportion of deaths attributed to
Group		Background	Asbestos only	Smoking only	Both factors
A⁻S⁻	1	—	—	—
A⁺S⁻	1/F₂	(F₂−1)/F₂	—	—
A⁻S⁺	1/F₃	—	(F₃−1)/F₃	—
A⁺S⁺	1/F₄	(F₂−1)/F₄	(F₃−1)/F₄	(1−F₂−F₃+F₄)/F₄