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Table 1 Socio-demographic and lifestyle characteristics of participants in the Melbourne Collaborative Cohort Study (MCCS– Follow-up 2)

From: Domain-specific physical activity and the risk of colorectal cancer: results from the Melbourne Collaborative Cohort Study

  All participants CRC cases Non-cases
(n = 23,586) (n = 473) (n = 23,113)
Age at entry (years, Mean ± SD) 65.6 ± 8.7 70.2 ± 8.0 65.5 ± 8.7
Country of birth, n (%)
 Australia/New Zealand/UK 19,376 (82.2) 386 (81.6) 18,990 (82.2)
 Greece/Italy 4210 (17.8) 87 (18.4) 4123 (17.8)
Highest education achieved, n (%)
 Primary School 2976 (12.6) 68 (14.4) 2908 (12.6)
 Some high/technical school 8970 (38.0) 191 (40.4) 8779 (38.0)
 Completed high/technical 4259 (18.1) 95 (20.1) 4164 (18.0)
 Tertiary/diploma/degree 7381 (31.3) 119 (25.2) 7262 (31.4)
SEIFA, n (%)
 Ist Quintile- most disadvantaged 3701 (15.7) 76 (16.1) 3625 (15.7)
 2nd Quintile 4407 (18.7) 90 (19.0) 4317 (18.7)
 3rd Quintile 3703 (15.7) 71 (15.0) 3632 (15.7)
 4th Quintile 4640 (19.7) 104 (22.0) 4536 (19.6)
 5th Quintile - least disadvantaged 7135 (30.3) 132 (27.9) 7003 (30.3)
Smoking status, n (%)
 Never 14,292 (60.6) 270 (57.1) 14,022 (60.7)
 Former 8243 (34.9) 189 (40.0) 8054 (34.8)
 Current 1051 (4.5) 14 (3.0) 1037 (4.5)
Current alcohol intake (g/d), n (%)
 None 7768 (32.9) 168 (35.5) 7600 (32.9)
 < 10 6184 (26.2) 108 (22.8) 6076 (26.3)
 10–20 4283 (18.2) 87 (18.4) 4196 (18.2)
 > 20 5351 (22.7) 110 (23.3) 5241 (22.7)
Red Meat intake (g/d), n (%)
 < 30 6097 (25.9) 120 (25.4) 5977 (25.9)
 ≥ 30-< 45 5901 (25.0) 114 (24.1) 5787 (25.0)
 ≥ 45-< 75 5778 (24.5) 109 (23.0) 5669 (24.5)
 ≥ 75 4628 (19.6) 101 (21.4) 4527 (19.6)
 Missing 1182 (5.0) 29 (6.1) 1153 (5.0)
Processed Meat intake (g/d), n (%)
 < 4 5788 (24.5) 97 (20.5) 5691 (24.6)
 ≥ 4-< 8 5461 (23.2) 124 (26.2) 5337 (23.1)
 ≥ 8-< 20 6090 (25.8) 133 (28.1) 5957 (25.8)
 ≥ 20 4892 (20.7) 87 (18.4) 4805 (20.8)
 Missing 1355 (5.7) 32 (6.8) 1323 (5.7)
Family history of CRC, (%)
 No 20,786 (88.1) 412 (87.1) 20,374 (88.1)
 Yes 2359 (10.0) 50 (10.6) 2309 (10.0)
 Missing 441 (1.9) 11 (2.3) 430 (1.9)
Waist circumference (cm, Mean ± SD) 90.7 ± 13.0 92.8 ± 12.3 90.7 ± 13.0
Dietary fiber intake (g/d, Mean ± SD) 27.5 ± 9.2 26.5 ± 8.7 27.5 ± 9.2
Total energy intake (KJ/d, Mean ± SD) 8572 ± 2267 8531 ± 2292 8572 ± 2266
  1. Abbreviations: MET, Metabolic equivalent; CRC, Colorectal Cancer; SD, standard deviation; KJ, Kilojoules; m, meter; g, grams; d, day; SEIFA, Socio-Economic Indexes For Areas. Values are n (%), unless otherwise stated. Percentages are calculated by column