Table 1 Characteristics of breast cancer cases and their matched controls
From: Circulating levels of leptin, adiposity and breast cancer risk
Baseline characteristics | Cases ( n =297) | Controls ( n =593) | P -value |
|---|---|---|---|
Age (year) | 49.66±8.72 | 48.71±8.51 | 0.1196 |
Age at menarche (year) | 13.64±1.50 | 13.67±1.53 | 0.7624 |
Age at FFTP (year) | 26.72±4.14 | 26.46±4.05 | 0.4049 |
Age at menopause (year) | 48.89±5.15 | 48.48±4.82 | 0.4466 |
Number of parity | 2.01±1.15 | 2.02±1.08 | 0.9314 |
BMI (kg m−2) | 23.36±4.00 | 22.88±2.93 | 0.0648 |
Waist circumference (cm) | 77.67±9.37 | 75.13±7.56 | <0.0001 |
WHR | 0.81±0.06 | 0.78±0.05 | <0.0001 |
