Table 1.
Comparison of baseline characteristics of EPIC-Italy and NSHDS.
All individuals (n = 663) | EPIC-Italy (n = 261) | NSHDS (n = 402) | P-values | |||||
---|---|---|---|---|---|---|---|---|
N | % or mean(sd) | N | % or mean(sd) | N | % or mean(sd) | |||
Gender | Male | 244 | 36,8% | 67 | 25,7% | 177 | 44,0% | <0.001 |
Female | 419 | 63,2% | 194 | 74,3% | 225 | 56,0% | ||
Type | Case | 338 | 51,0% | 133 | 51,0% | 205 | 51,0% | — |
Control | 325 | 49,0% | 128 | 49,0% | 197 | 49,0% | ||
Disease | Breast cancer (cases) | 167 (90) | 25,2% | 94 (49) | 36,0% | 73 (41) | 18,2% | <0.001 |
NHL (cases) | 496 (248) | 74,8% | 167 (84) | 64,0% | 329 (164) | 81,8% | ||
Age | Global | 663 | 52.8(7.7) | 261 | 53.5(8.1) | 402 | 52.4(7.5) | 0.430 |
BMI (kg/m2) | Global | 663 | 26.0(3.9) | 261 | 25.8(3.6) | 402 | 26.2(4.1) | 0.329 |
Phase | 1 | 355 | 53,5% | 194 | 74,3% | 161 | 40,1% | <0.001 |
2 | 308 | 46,5% | 67 | 25,7% | 241 | 59,9% | ||
Center | Central | 116 | 17,5% | 116 | 44,4% | 0 | 0,0% | — |
North | 104 | 15,7% | 104 | 39,9% | 0 | 0,0% | ||
South | 41 | 6,2% | 41 | 15,7% | 0 | 0,0% | ||
Umea | 402 | 60,6% | 0 | 0,0% | 402 | 100,0% | ||
Smoking status | Never | 326 | 49,2% | 127 | 48,7% | 199 | 49,5% | 0.807 |
Former | 183 | 27,6% | 70 | 26,8% | 113 | 28,1% | ||
Current | 154 | 23,2% | 64 | 24,5% | 90 | 22,4% | ||
Alcohol (g/day) | Global | 663 | 7.1(12.5) | 261 | 12.5(17.6) | 402 | 3.6(5.0) | <0.001 |
Physical activity | Inactive | 179 | 27,1% | 70 | 26,8% | 109 | 27,1% | 0.007 |
Moderately inactive | 266 | 40,1% | 106 | 40,6% | 160 | 39,8% | ||
Moderately active | 166 | 25,0% | 54 | 20,7% | 112 | 27,9% | ||
Active | 52 | 7,8% | 31 | 11,9% | 21 | 5,2% | ||
Education | None/primary | 270 | 40,7% | 146 | 55,9% | 124 | 30,8% | <0.001 |
Professional/technical | 132 | 19,9% | 30 | 11,5% | 102 | 25,4% | ||
Secondary | 147 | 22,2% | 55 | 21,1% | 92 | 22,9% | ||
University/college | 114 | 17,2% | 30 | 11,5% | 84 | 20,9% | ||
Inflammatory score | Global | 663 | 7.0(5.9) | 261 | 6.8(6.1) | 402 | 7.0(5.7) | 0.244 |
PC1 | Global | 663 | −0.01(3.0) | 261 | −0.003(3.0) | 402 | −0.02(3.1) | 0.807 |
P-values are estimated with Ӽ2 tests, Student T-tests or Wilcoxon rank sum tests.