Table 1.
Baseline characteristics of cases and controls
| Baseline variable | Case (n = 270) [n(%)] |
Control (n = 270) [n(%)] |
Difference (p-value) | |
|---|---|---|---|---|
| Cohort | EPIC-Italy | 84 (31.1) | 84 (31.1) | |
| NSHDS | 186 (68.9) | 186 (68.9) | ||
| Sex | Male | 133 (49.3) | 133 (49.3) | |
| Female | 137 (50.7) | 137 (50.7) | ||
| Mean Age | (yrs) | 53.08 | 53.09 | 0.989 |
| Mean Height | (cm) | 169.55 | 168.24 | 0.120 |
| Mean Weight | (kg) | 76.48 | 75.09 | 0.267 |
| BMI | Underweight | 1 (0.4) | 0 (0.0) | |
| Normal | 104 (38.5) | 109 (40.4) | ||
| Overweight | 121 (44.8) | 118 (43.7) | ||
| Obese | 40 (14.8) | 39 (14.4) | ||
| unknown | 4 (1.5) | 4 (1.5) | 0.883 | |
| Smoking status | Never | 121 (44.8) | 134 (49.6) | |
| Former | 90 (33.3) | 72 (26.7) | ||
| Current | 57 (21.1) | 54 (20) | ||
| unknown | 2 (0.7) | 10 (3.7) | 0.269 | |
| Highest educational level | None | 4 (1.5) | 1 (0.4) | |
| Primary | 94 (34.8) | 98 (36.3) | ||
| Technical/professional | 68 (25.2) | 54 (20.0) | ||
| Secondary | 52 (19.3) | 64 (23.7) | ||
| University/college | 47 (17.4) | 42 (15.6) | ||
| unknown | 5 (1.9) | 11 (4.1) | 0.202 | |
| Cambridge physical activity index | Inactive | 80 (29.6) | 75 (27.8) | |
| Moderately inactive | 106 (39.3) | 95 (35.2) | ||
| Moderately active | 69 (25.6) | 76 (28.2) | ||
| Active | 14 (5.2) | 23 (8.5) | ||
| unknown | 1 (0.4) | 1 (0.4) | 0.510 |
Chi2 tests excluded the unknown category