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Table 1 Characteristics of participants

From: Association of the dietary patterns with the risk of non-alcoholic fatty liver disease among Iranian population: a case-control study

Variables NAFLD (n = 121) Control (n = 122) P-valuea
Age (year), Mean ± SD 42.95 ± 11.46 42.51 ± 11.52 0.71b
Sex    0.95c
Male 57 (47.1%) 58 (47.5%)  
Female 64 (52.9%) 64 (52.5%)  
Weight, Kg 81.78 ± 13.12 80.76 ± 13.28 0.55d
Height, cm 165.53 ± 10.16 165.97 ± 9.19 0.68b
BMI, kg/m2 30.53 ± 5.04 29.32 ± 4.49 0.08b
Waist circumference, cm 102.86 ± 10.78 98.08 ± 10.55 0.001d
Hip circumference, cm 105.91 ± 7.59 105.35 ± 7.41 0.58d
WHtR 0.62 ± 0.07 0.59 ± 0.07 < 0.001d
WHR 0.95 ± 0.07 0.92 ± 0.08 0.002b
Systolic blood pressure, mmHg 124.09 ± 12.29 121.02 ± 14.45 0.32b
Diastolic blood pressure, mmHg 81.35 ± 6.96 80.14 ± 6.44 0.28b
Total energy intake, kcal 4122.76 ± 1624.85 3178.60 ± 936.18 < 0.001d
Met (Hour/day) 34.11 ± 5.87 35.94 ± 7.88 0.14b
Marital status    0.72c
Married 105 (86.8%) 102 (83.6%)  
Bachelor 16 (13.2%) 20 (16.4%)  
Educational status    0.002c
Illiterate 14 (11.6%) 2 (1.6%)  
Elementary 36 (29.8%) 30 (24.6%)  
Diploma 34 (28.1%) 31 (25.4%)  
College 37 (30.6%) 59 (48.4%)  
Smoke    0.04c
Yes 12 (9.9%) 4 (3.3%)  
No 109 (90.1%) 118 (96.7%)  
  1. aP-value < 0.05 was considered significant
  2. bP-value based on the Mann-Whitney test
  3. cP-value based on the chi-squared test
  4. dP-value based on the t-test
  5. NAFLD nonalcoholic fatty liver disease; BMI body mass index; WHtR waist to height ratio; WHR waist to hip ratio; MET the metabolic equivalent of tasks