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Table 2 Distribution of characteristics among endometrial cancer cases and controls (means and standard deviation or frequencies and percentages)

From: Diet and endometrial cancer: a focus on the role of fruit and vegetable intake, Mediterranean diet and dietary inflammatory index in the endometrial cancer risk

General characteristics Cases Controls p-valuea
  (n = 297) (n = 307)  
Age (years) 61.49 (7.48) 60.40 (7.72) 0.10
Age at menarche (years) 12.75 (1.53) 12.51 (1.51) 0.53
Parity <0.001
 0 43 (15.41%) 16 (5.61%)
 1 218 (78.14%) 209 (73.33%)
  ≥ 2 18 (6.45%) 60 (21.05%)
Oral contraceptive use 0.39
 Yes 53 (19.00%) 65 (21.89%)
 No 226 (81.00%) 232 (78.11%)
Menopausal status 0.0001
 Postmenopausal 263 (93.93%) 250 (83.89%)
 Premenopausal 17 (6.07%) 48 (16.11%)
Hormone replacement therapy 0.36
 Yes 52 (18.64%) 64 (21.62%)
 No 227 (81.36%) 232 (78.38%)
Body mass index (kg/m2) <0.001
  < 25 (normal weight) 107 (36.03%) 163 (53.09%)
 25–30 (overweight) 95 (31.99%) 98 (31.92%)
  > 30 (obese) 95 (31.99%) 46 (14.98%)
Physical activity 0.08
 Inactive or moderately inactive 28 (10.22%) 47 (16.10%)
 Moderately active 161 (58.76%) 169 (57.88%)
 Active 85 (31.02%) 76 (26.03%)
Education 0.001
 Primary school or less 113 (40.94%) 81 (27.27%)
 Secondary or vocational school 106 (38.41%) 125 (42.09%)
 High school or more 57 (20.65%) 91 (30.64%)
Smoking status 0.04
 Never smoker 189 (67.99%) 181 (61.15%)
 Former smoker 68 (24.46%) 73 (24.66%)
 Current smoker 21 (7.55%) 42 (14.19%)
Alcohol consumption (g/day) 6.91 (9.81) 5.87 (9.95) 0.56
Fruit consumption (g/day) 262.87 (140.98) 289.35 (146.28) 0.03
Vegetable consumption (g/day) 85.24 (50.62) 112.24 (74.49) <0.0001
Total energy intake (Kcal/day) 7569 (2319) 7706 (2408) 0.60
Mediterranean diet index 0.0003
 Low adherence (0–3 habits) 158 (53.20%) 115 (37.46%)
 Moderate adherence (4–5 habits) 111 (37.37%) 143 (46.58%)
 High adherence (6–8 habits) 28 (9.43%) 49 (15.96%)
Dietary index of inflammation 0.33
 1st quintile (low inflammation) 46 (16.49%) 69 (23.31%)
 2nd quintile 56 (20.07%) 59 (19.93%)
 3rd quintile 57 (20.43%) 58 (19.59%)
 4th quintile 60 (21.51%) 55 (18.58%)
 5th quintile (high inflammation) 60 (21.51%) 55 (18.58%)
  1. aWilcoxon or Chi-squared test