Table 1

Basic description of the case-control data from Nordic countries (cancer incidence data) and Italy (cancer mortality data)

VariableCategoryNordic countriesItaly
No. of cases + controlsNo. of cases + controls
Tumor diagnosis/cause of deathLung/larynx1124
Bladder 5 0
Lymphohematopoietic 9 5
Other sites6833
CA frequencyLow24 + 12115 + 93
Medium22 + 13520 + 81
High47 + 10727 + 71
CountryDenmark2 + 8
Finland26 + 102
Norway30 + 115
Sweden35 + 138
SexFemale24 + 9210 + 39
Male69 + 27152 + 206
Year of CA test1965–197511 + 4127 + 105
1976–198046 + 18125 + 96
1981–198525 + 1128 + 37
1986–199011 + 292 + 7
Age at CA test (yr)23–3917 + 714 + 17
40–4922 + 8722 + 103
50–5935 + 13233 + 120
60–8519 + 733 + 5
Time since CA test (yr)<1–427 + 1035 + 18
5–719 + 8911 + 43
8–1016 + 6210 + 47
11–1526 + 9620 + 72
16–315 + 1316 + 65