Skip to main content

Table 2 Characteristics of the study population

From: Lifelong vegetarianism and breast cancer risk: a large multicentre case control study in India

 

Case

Control

 

(N = 2 101)

(N = 2 255)

Sociodemographic variables

 Age in years at recruitment, mean (SD)

49.7 (9.7)

49.8 (9.1)

 Hindu religion, % (N)

83 (1 741)

79 (1 790)

 Living in urban location, % (N)

58 (1 223)

50 (1 124)

 Running water in house, % (N)

84 (1 762)

78 (1 732)

 Living in stone house, % (N)

88 (1 836)

84 (1 881)

 Self-contained toilet in house, % (N)

88 (1 848)

88 (1 959)

 Housewife, % (N)

73 (1 531)

70 (1 562)

Diet, alcohol and tobacco

 Life long vegetarianism, % (N)

29 (611)

25 (560)

 Ever consumed alcohol, % (N)

<1 (13)

<1 (12)

 Ever smoked tobacco, % (N)

1 (11)

2 (35)

 Ever chewed tobacco, % (N)

6 (133)

10 (231)

 Ever chewed non-tobacco, % (N)

9 (193)

16 (358)

Anthropometry

 Body Mass Index in kg/m2, mean (SD)

25.4 (9.0)

24.6 (7.1)

 Height in cm, mean (SD)

154.5 (7.7)

154.0 (7.9)

Reproductive factors

 Age in years at menarche, mean (SD)

13.8 (1.3)

13.7 (1.3)

 Age in years at first birth, mean (SD)

22.8 (5.3)

22.3 (4.7)

 Number of living children, mean (SD)

2.5 (1.2)

2.6 (1.2)

 Total duration of breast feeding (parous women), mean (SD)

4.1 (2.4)

4.6 (2.7)

 Postmenopausal at recruitment, % (N)

56 (1 166)

55 (1 204)

 Ever used oral contraceptive pill, % (N)

3 (62)

2 (51)

 Ever used hormone replacement therapy, % (N)

<1 (3)

<1 (3)

 Sterilised, % (N)

30 (635)

37 (821)