Table 1 Descriptive characteristics of the study population
From: Occupational exposure to pesticides and endometrial cancer in the Screenwide case-control study
Controls No. (%)a | Cases No. (%)a | p-valueb | |
|---|---|---|---|
Overallc | 216 (55.4) | 174 (44.6) | |
Age | 0.701 | ||
< 60 | 69 (31.9) | 49 (28.2) | |
60–69 | 68 (31.5) | 56 (32.2) | |
≥ 70 | 79 (36.6) | 69 (39.7) | |
Country of birth | 0.165 | ||
Spain | 199 (92.1) | 153 (87.9) | |
Other countries | 17 (7.9) | 21 (12.1) | |
Educational level | 0.382 | ||
Primary | 163 (75.5) | 126 (72.4) | |
Secondary | 37 (17.1) | 28 (16.1) | |
Higher | 16 (7.4) | 20 (11.5) | |
BMId | < 0.001 | ||
Underweight and normal < 25 | 64 (29.6) | 26 (14.9) | |
Overweight 25-29.9 | 81 (37.5) | 50 (28.7) | |
Obesity ≥ 30 | 63 (29.2) | 92 (52.9) | |
Diabetes | 0.014 | ||
No | 187 (86.6) | 134 (77.0) | |
Yes | 29 (13.4) | 40 (23.0) | |
Hypertension | 0.010 | ||
No | 129 (59.7) | 81 (46.6) | |
Yes | 87 (40.3) | 93 (53.4) | |
Hypercholesterolemia | 0.290 | ||
No | 127 (58.8) | 93 (53.4) | |
Yes | 89 (41.2) | 81 (46.6) | |
Smoking | 0.365 | ||
Never smoker | 146 (67.6) | 125 (71.8) | |
Former smoker | 70 (32.4) | 49 (28.2) | |
Occupational exposure to solvents | 0.215 | ||
Never exposed | 147 (68.1) | 125 (71.8) | |
Ever exposed | 69 (31.9) | 49 (28.2) | |
Occupational shifts | 0.172 | ||
Never night shift | 175 (81.0) | 150 (86.2) | |
Ever night shift | 41 (19.0) | 24 (13.8) | |
Family history of gynecological cancere | 0.513 | ||
Gynecological cancer | 47 (21.8) | 32 (18.4) | |
Other type of cancer | 91 (42.1) | 69 (39.7) | |
No gynecological cancer family history | 76 (35.2) | 70 (40.2) | |
Age at menarche | 0.543 | ||
< 13 | 94 (43.5) | 81 (46.6) | |
≥ 13 | 112 (51.9) | 85 (48.9) | |
Hormonal contraceptives | 0.005 | ||
Never | 98 (45.4) | 104 (59.8) | |
Ever | 118 (54.6) | 70 (40.2) | |
Parity (number of children) | 0.793 | ||
Nulliparous | 29 (13.4) | 24 (13.8) | |
1 | 39 (18.1) | 26 (14.9) | |
2 | 95 (44.0) | 76 (43.7) | |
≥ 3 | 52 (24.1) | 48 (27.6) | |
Age at first deliveryf | 0.841 | ||
< 26 | 106 (57.0) | 87 (58.0) | |
≥ 26 | 79 (42.5) | 62 (41.3) | |
Menopause status | < 0.001 | ||
Premenopause | 31 (14.4) | 7 (4.0) | |
Postmenopause | 185 (85.6) | 167 (96.0) | |
Postmenopausal hormone therapyg | 0.494 | ||
Never | 164 (88.6) | 147 (88.0) | |
Ever | 8 (4.3) | 10 (6.0) |