Table 5.

Underlying cause of death among Aboriginal current, past and never-smokers in the 45 and Up Study

Underlying cause of death (CoD)	% of deaths due to each cause
	Smoking status			Total
	Current	Past	Never
CoD established as causally linked to smoking
Lung cancer	23	≤13	—	13
Other cancers established as caused by smoking	23	15	21	19
Diseases of the circulatory system established as caused by smoking	18	19	18	19
Diseases of the respiratory system established as caused by smoking	—	≤13	—	7
Diabetes	—	—	—	4
CoD likely to be, but not established as, causally linked to smoking	21	18	24	20
Total deaths due to conditions made appreciably more probable by smoking	87	79	79	81
CoD unlikely to be causally linked to smoking	13	21	21	19

Restricted to deaths where the cause of death was recorded. Cause of death was not recorded for 17% of deaths in the sample. Numbers of events are not provided to protect confidentiality; —represents cells containing fewer than five events, with data not shown, to protect confidentiality. See Table S2 for details on the classification of ICD-10AM codes.

CoD, cause of death.