Table 2

Description of study population by gastrointestinal cancer status
Oesophageal cancer Stomach cancer Colon cancer Rectal cancer Colorectal cancer All
(n = 323) (n = 782) (n = 2519) (n = 1495) (n = 4014) (n = 492044)
Age (years) - Mean (SD) 56.07 (10.63) 58.72 (11.80) 58.93 (11.61) 57.38 (11.02) 58.36 (11.42) 44.62 (14.11)
Sex
  Male 237 (71.39) 501 (62.47) 1394 (54.09) 926 (60.76) 2320 (56.57) 260469 (52.94)
  Female 95 (28.61) 301 (37.53) 1183 (45.91) 598 (39.24) 1781 (43.43) 231575 (47.06)
SES
  White Collar 112 (33.73) 262 (32.67) 946 (36.71) 583 (38.25) 1529 (37.28) 182488 (37.09)
  Blue Collar 162 (48.80) 359 (44.76) 1063 (41.25) 684 (44.88) 1747 (42.60) 231088 (46.96)
  Not gainfully employed or Missing 58 (17.47) 181 (22.57) 568 (22.04) 257 (16.86) 825 (20.12) 78468 (15.95)
Follow-up time (years) - Mean (SD) 8.06 (4.71) 7.73 (4.62) 8.46 (4.64) 8.44 (4.51) 8.46 (4.59) 12.55 (3.94)
Calcium (mmol/L) - Mean (SD) 2.40 (0.11) 2.38 (0.10) 2.39 (0.10) 2.39 (0.10) 2.39 (0.10) 2.39 (0.10)
Calcium according to age-specific cut-offs
  Low 2 (0.60) 9 (1.12) 17 (0.66) 13 (0.85) 30 (0.73) 4025 (0.82)
  Normal 320 (96.39) 778 (97.01) 2508 (97.32) 1477 (96.92) 3985 (97.17) 479026 (97.35)
  High 10 (3.10) 15 (1.87) 52 (2.02) 34 (2.23) 86 (2.10) 8993 (1.83)
Corrected Calcium (mmol/L) - Mean (SD) 2.35 (0.10) 2.34 (0.09) 2.35 (0.09) 2.34 (0.09) 2.35 (0.09) 2.32 (0.09)
Albumin (g/L) Mean (SD) 42.11 (2.97) 41.82 (2.75) 41.92 (2.69) 42.28 (2.68) 42.05 (2.69) 43.18 (2.84)
BMI (kg/m2)1
  < 25 17 (58.62) 40 (50.63) 141 (50.72) 96 (55.49) 237 (52.55) 38517 (61.11)
  ≥ 25 12 (41.38) 39 (49.37) 137 (49.28) 77 (44.51) 214 (47.45) 24511 (38.89)
Charlson Comorbidity Index
  0 273 (82.23) 666 (83.04) 2199(85.33) 1312 (86.09) 3511 (85.61) 454237 (92.32)
  1 30 (9.04) 77 (9.60) 190 (7.37) 113 (7.41) 303 (7.39) 20669 (4.20)
  2 19 (5.72) 42 (5.24) 143 (5.55) 77 (5.05) 220 (5.36) 12869 (2.62)
  3+ 10 (3.01) 17 (2.12) 45 (1.75) 22 (1.44) 67 (1.63) 4269 (0.87)

1Measured in subcohort with BMI measurement.

Wulaningsih et al.

Wulaningsih et al. BMC Public Health 2013 13:663   doi:10.1186/1471-2458-13-663

Open Data