Table 1 Characteristics of participants included in the current study (n = 775, 267 cases, 508 controls).
Case (n = 267) | Control (n = 508) | P | |
|---|---|---|---|
Sex, n (%) | |||
Male | 113 (23.2) | 62 (22.2) | 0.757 |
Female | 395 (76.8) | 205 (77.8) | |
Age in years, median (IQR) | 38.5 (14.7) | 39.8 (15.1) | 0.123 |
Study region, n (%) | |||
Brisbane (27 °S) | 90 (33.7) | 176 (34.6) | 0.089 |
Newcastle (33 °S) | 35 (13.1) | 88 (17.3) | |
Geelong (37 °S) | 64 (24) | 134 (26.4) | |
Tasmania (43 °S) | 78 (29.2) | 110 (21.7) | |
Education, n (%) | |||
Year 10 or below | 66 (24.8) | 165 (32.5) | 0.065 |
Year 11 or 12 | 53 (19.9) | 73 (14.4) | |
TAFE/Diploma | 80 (30.1) | 139 (27.4) | |
University | 67 (25.2) | 131 (25.8) | |
Smoking history, n (%) | |||
Smoked at some time | 163 (61.3) | 266 (52.5) | 0.019 |
Never smoked | 103 (38.7) | 241 (47.5) | |
Body mass index, median (IQR) | 25.9 (7.6) | 25.7 (7.4) | 0.848 |
Physical activity (METs), median (IQR) | 2034 (3639) | 1940 (3137) | 0.596 |
History of infectious mononucleosis, n (%) | |||
Yes | 73 (27.4) | 83 (16.3) | <0.0001 |
No | 175 (65.8) | 404 (79.5) | |
Do not know | 18 (6.8) | 21 (4.1) | |
Dietary misreporting, n (%) | |||
Under-reporter | 73 (27.4) | 176 (22) | 0.091 |
Normal/over-reporter | 193 (72.6) | 394 (78) | |
Ultra-processed foods (servings/day), median (IQR) | 6.2 (4.3) | 5.5 (4.4) | 0.889 |
