Risk and Protective Factors for Breast Cancer in Midwest of Brazil
Table 2
Socioeconomic, gynecological, and anthropometric variables of women with breast cancer (cases) and respective controls, from Midwest of Brazil (2008–2010).
Variable
Cases ()
Controls ()
value*
Mean
SD
Mean
SD
Age (years)
51.93
10.07
51.77
9.73
0.897
Height (cm)
1.55
0.05
1.55
0.06
0.570
Current body mass index (BMI) (kg/m²)
27.14
5.44
26.84
4.53
0.623
Waist circumference (cm)
86.94
11.86
86.62
10.15
0.819
Adult weight gain (kg)
16.94
11.65
15.65
10.51
0.416
Median
Median
value**
Per capita income (US$)
147.00
200.00
0.059
Body mass index (BMI) (kg/m²) at 20 years old
21.91
21.35
0.369
Age at menarche (years)
13
13
0.283
Age at menopause (years)
50
48
0.115
Age at first full pregnancy (years)
21
20
0.099
Number of children
3
3
0.719
Total breastfeeding (months)
24
28
0.557
*Student’s t-test. **Mann-Whitney test. SD: standard deviation.
