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Table 1 Baseline characteristics

From: Metabolic risk factors for esophageal squamous cell carcinoma and adenocarcinoma: a prospective study of 580 000 subjects within the Me-Can project

   Cases Total cohort1
   Adenocarcinoma Squamous cell carcinoma Other or undifferentiated morphology All cases  
Subjects, n   114 184 26 324 577259
Sex Male 102 (89.5) 144 (78.3) 22 (84.6) 268 (82.7) 288930 (50.1)
Female 12 (10.5) 40 (21.7) 4 (15.4) 56 (17.3) 288329 (49.9)
Age at baseline, mean (SD) 49.6 (10.1) 51.0 (10.9) 51.2 (10.1) 50.5 (10.5) 44.0 (11.7)
Cohort, n (%) Oslo 13 (11.4) 37 ((20.1) 5 (19.2) 55 (17.0) 16714 (2.9)
NCS 31 (27.2) 29 (15.8) 4 (15.4) 64 (19.8) 50922 (8.8)
CONOR 10 (8.8) 14 (7.6) 3 (11.5) 27 (8.3) 109403 (19.0)
40-y 5 (4.4) 6 (3.3) 1 (3.8) 12 (3.7) 128742 (22.3)
VHM&PP 16 (14.0) 40 (21.7) 5 (19.2) 61 (18.8) 159444 (27.6)
VIP 16 (14.0) 8 (4.3) 1 (3.8) 25 (7.7) 79360 (13.7)
MPP 23 (20.2) 50 (27.2) 7 (26.9) 80 (24.7) 32674 (5.7)
Fasting time, n (%) < 4 hrs 43 (37.7) 64 (34.8) 8 (30.8) 115 (35.5) 242246 (42.0)
4-8 hrs 14 (12.3) 14 (7.6) 5 (19.2) 33 (10.2) 57409 (9.9)
> 8 hrs 57 (50.0) 106 (57.6) 13 (50.0) 176 (54.3) 277604 (48.1)
BMI, mean (SD)   27.1 (3.8) 24.0 (3.3) 26.0 (4.2) 25.3 (3.8) 25.3 (4.0)
Mid BP2 mmHg, mean (SD) 110.6 (12.9) 112.4 (15.3) 111.9 (12.7) 111.7 (14.3) 104.4 (13.7)
Glucose mmol/l, median (IQR) 5.4 (4.8-5.4) 5.3 (4.7-5.3) 5.1 (4.6-5.6) 5.3 (4.7-5.9) 5.1 (4.6-5.6)
Cholesterol mmol/l, mean (SD) 6.1 (1.1) 6.2 (1.1) 6.4 (1.3) 6.2 (1.1) 5.7 (1.2)
Triglycerides mmol/l, median (IQR) 1.63 (1.11-2.43) 1.44 (1.02-2.11) 1.82 (1.12-2.80) 1.57 (1.05-2.33) 1.29 (0.91-1.91)
Smoking status, n (%) Never 25 (21.9) 29 (15.8) 4 (15.4) 58 (17.9) 257721 (44.6)
Former 36 (31.6) 25 (13.6) 5 (19.2) 66 (20.4) 158358 (27.4)
Current 52 (45.6) 129 (70.1) 17 (65.4) 198 (61.1) 159624 (27.7)
  Missing 1 (0.9) 1 (0.5) 0 2 (0.6) 1556 (0.3)
  1. 1After exclusion of 1441 subjects with a follow-up less than 1 year.
  2. 2Mid blood pressure = [(systolic blood pressure + diastolic blood pressure)/2] mm Hg).
  3. Abbreviations: Oslo The Oslo study I cohort, NCS The Norwegian County Study, CONOR The cohort of Norway, 40-y: The Age 40-programme, VHM&PP The Vorarlberg Health Monitoring and Prevention Program, VIP The Västerbotten Intervention Project, MPP The Malmö Preventive Project, BMI body mass index (kg/m2).