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Table 1 Characteristic of study participants according to tertiles of heme Iron intake in a hospital-based case–control study of gastric cancer in Iran (2010 to 2012)

From: Association between gastric cancer and the intake of different types of iron and meats

 

Cases

Controls

Characteristics

T1

T2

T3

p-value

T1

T2

T3

p-value

Number (%)

59 (33.1)

60 (33.8)

59 (33.1)

0.99

91 (33.3)

92 (33.7)

90 (33.0)

0.99

Age (year) Mean (SD)

63.29±11.71

57.25±12.20

62.00±11.43

0.38

53.67±13.03

54.22±10.88

51.88±11.79

0.014*

Energy (Kcal) Mean (SD)

2341.83±942.99

2656.99±1050.65

3564.07±1365.59

<0.0001

2399.89±1143.55

2696.64±1150.49

3122.49±1168.00

<0.0001*

Alcohol drink (g/d)

1.91±13.40

0.01±0.14

20.40±156.21

0.85

1.22±7.88

1.85±14.82

2.20±12.43

0.40

BMI (kg/m2) Mean (SD)

25.80±4.18

28.26±18.41

29.48±21.54

0.47

25.93±5.23

26.46±12.04

25.60±5.72

0.78

Gender (Male, %)

44 (74.6)

47 (78.3)

41 (69.5)

0.54

56 (61.5)

63 (68.5)

54 (60)

0.44

H-pylori (positive, %)

22 (37.3)

20 (33.3)

26 (44.1)

0.47

57 (62.6)

50 (54.3)

47 (52.2)

0.32

Marital status (Married, %)

58 (98.3)

59(98.3)

57 (96.6)

0.32

75 (82.4)

80 (87)

81 (90)

0.84

Education (illiterate, %)

36 (61)

34 (56.7)

41 (69.5)

0.34

25 (27.5)

25 (27.2)

22 (24.4)

0.87

Smoking (yes %)

37 (62.7)

31 (51.7)

29 (49.2)

0.29

65 (71.4)

61 (66.3)

65 (72.2)

0.63

  1. p-values for qualitative variables are resulted from Chi square Test
  2. *p-values for quantitative variables are resulted from Independent T-test