Skip to main content

Table 1 Demographic characteristics of breast cancer and control groups

From: Obesity, diabetes mellitus, and the risk of female breast cancer in Eastern China

Characteristic Cases, n (%) Controls n (%) χ2(df) P value
Age     
25 to 35 5 (4.1) 14 (3.8) 0.659 (3) 0.417
36 to 49 56 (45.5) 162 (43.9)   
50 to 64 54 (43.9) 167 (45.3)   
65 to 70 8 (6.5) 26 (7.0)   
Residence     
Urban 27 (22.0) 97 (26.3) 2.517 (1) 0.113
Rural 96 (78.0) 272 (73.7)   
Education     
Elementary or low 58 (47.2) 192 (52.0) 0.042 (3) 0.838
Middle 36 (29.3) 86 (23.3)   
High 24 (19.5) 60 (16.3)   
College 5 (4.0) 31 (8.4)   
Family annual income (RMB)     
<15,000 54 (43.9) 191 (51.8) 3.828 (1) 0.050
≥15,000 69 (56.1) 178 (48.2)   
Family history of breast cancer     
Yes 10 (8.1) 7 (1.9) 16.056 (1) 0.000
No 113 (91.9) 362 (98.1)   
Total life satisfactiona     
<25 46 (37.4) 215 (58.3) 15.990 (1) 0.000
≥25 77 (62.6) 154 (41.7)   
Current life satisfactionab     
<13 43 (35.0) 207 (56.1) 12.461 (1) 0.000
≥13 80 (65.0) 162 (43.9)   
Exercise     
Yes 13 (10.6) 72 (19.5) 5.207 (1) 0.022
No 110 (89.4) 297 (80.5)   
  1. Abbreviations: df, degrees of freedom; RMB, renminbi.
  2. aTotal life satisfaction was rated with a cumulative score of 12 items, with high scores indicating low life satisfaction, and low scores indicating high life satisfaction.
  3. bCurrent life satisfaction was rated with a cumulative score of six items, with high scores indicating low life satisfaction, and low scores indicating high life satisfaction.