Table 1 Distribution of cases of non-Hodgkin and Hodgkin lymphoma and controls according to selected characteristics
Non-Hodgkin lymphoma | Hodgkin lymphoma | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Controls (n = 1004) | Cases (n = 571) | p-valuea | Controls (n = 188) | Cases (n = 188) | p-valuea | |||||
No. | % | No. | % | No. | % | No. | % | |||
Study center | ||||||||||
Aviano | 527 | 52.5 | 272 | 47.6 | 83 | 44.1 | 83 | 44.1 | ||
Napoli | 359 | 35.8 | 215 | 37.7 | 56 | 29.8 | 56 | 29.8 | ||
Catania | 118 | 11.7 | 84 | 14.7 | 49 | 26.1 | 49 | 26.1 | ||
Year of interview | ||||||||||
1999–2002 | 504 | 50.2 | 228 | 39.9 | 62 | 33.0 | 63 | 34.0 | ||
2003–2014 | 500 | 49.8 | 343 | 60.1 | 126 | 67.0 | 125 | 66.0 | ||
Gender | ||||||||||
Male | 622 | 62.0 | 318 | 55.7 | 102 | 54.3 | 102 | 54.3 | ||
Female | 382 | 38.0 | 253 | 44.3 | 86 | 45.7 | 86 | 45.7 | ||
Age (years) | ||||||||||
< 30 | 107 | 10.7 | 38 | 6.7 | 66 | 35.1 | 78 | 41.5 | ||
30–44 | 198 | 19.7 | 99 | 17.3 | 79 | 42.0 | 67 | 35.6 | ||
45–64 | 366 | 36.4 | 260 | 45.5 | 35 | 18.6 | 35 | 18.6 | ||
≥ 65 | 333 | 33.2 | 174 | 30.5 | 8 | 4.3 | 8 | 4.3 | ||
Place of birthb | ||||||||||
North-Center | 487 | 48.6 | 221 | 38.8 | 73 | 38.8 | 58 | 31.0 | ||
South | 515 | 51.4 | 349 | 61.2 | p < 0.01 | 115 | 61.2 | 129 | 69.0 | p = 0.13 |
Education (years)b | ||||||||||
< 7 | 368 | 36.6 | 195 | 34.2 | 18 | 9.6 | 21 | 11.2 | ||
7–11 | 300 | 29.9 | 186 | 32.6 | 73 | 38.8 | 64 | 34.2 | ||
≥ 12 | 336 | 33.5 | 189 | 33.2 | p = 0.47 | 97 | 51.6 | 102 | 54.6 | p = 0.62 |