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Table 1 Socio-demographic characteristic of study participants

From: Reproductive risk factors associated with breast cancer in women in Bangui: a case–control study

Variables

Cases (174)

Freq (%)

Controls (348)

Freq (%)

Total (522)

Freq (%)

χ2

p-value

Age group

 15–39

57 (32.8)

112 (32.2)

169 (32.4)

  

 40–44

25 (14.4)

54 (15.5)

79 (15.1)

  

 45–49

18 (10.3)

34 (9.8)

52 (10.0)

  

 50–54

33 (19.0)

68 (10.5)

101 (19.3)

  

 55–59

15 (8.6)

30 (8.6)

45 (8.6)

  

 60–64

10 (5.7)

18 (5.2)

28(5.3)

  

 65–69

5 (2.9)

12 (3.4)

17 (3.3)

  

 70–74

6 (3.4)

10 (2.9)

16 (3.1)

  

  ≥ 75

5 (2.9)

10 (2.9)

15 (2.9)

  

Mean age (SD)

45.83 (13.55)

45.79 (13.34)

45.80 (13.40)

t = -0.035

0.97a

Occupation

   

11.36

0.001 b

 Housewife

121 (69.5)

287 (82.5)

408 (78.2)

  

 Employed

53 (30.5)

61 (17.5)

114 (21.8)

  

Economic status

   

9.92

0.01 c

 Poor

24 (13.8)

56 (16.1)

80 (15.3)

  

 Moderate

99 (56.9)

231 (66.4)

330 (63.3)

  

 Good

48 (27.6)

55 (15.8)

103 (19.7)

  

 Excellent

3 (1.7)

6 (1.7)

9 (1.7)

  

Education level

   

22.2

0.000 c

 Illiterate

45 (25.9)

34 (9.8) 34(9.7)

79 (15.1)

  

 Elementary

57 (32.7)

144 (41.4)

201 (38.5)

  

 High School

49 (28.2)

119 (34.2)

168 (32.2)

  

 University

23 (13.2)

51 (14.7)

74 (14.2)

  

Residence

   

21

0.000 b

 Urban

149 (85.6)

336 (96.6)

485 (92.9)

  

 Rural

25 (14.4)

12 (3.4)

37 (7.1)

  

Marital status

   

18.28

0.000 c

 Married

42 (24.1)

32 (10.1)

77 (14.8)

  

 Single

132 (75.9)

313 (89.9)

445 (85.2)

  

Parity

   

9.6

0.008 c

 Nulliparus

31 (17.9)

34 (9.8)

65 (12.5)

  

 1–2

46 (26.6)

128 (36.8)

174 (33.4)

  

  ≥ 3

96 (55.5)

186 (53.4)

282 (54.1)

  
  1. Frequency was calculated by using Cross tabulation analyze. Employee includes all sectors: public and private. Poor economic status (income < 2 dollars a day), moderate (income = 3 to 4 dollars a day), good (income = 5 to 10 dollars per day) and excellent (income > 15 dollars a day); Residence: Town (Bangui) and Rural (outside Bangui)
  2. Legend: Frequency; χ2 chi square, SD standard deviation
  3. χ2 was calculated by using Fisher’s exact chi square test
  4. a p-value was calculated by using T-test
  5. b p-value was calculated by using Pearson’s chi square test
  6. c p-value was calculated by using Fisher’s exact chi square test, p-value < 0.05 in italic