Journal of Obesity / 2016 / Article / Tab 1

Research Article

Weight Fluctuation and Postmenopausal Breast Cancer in the National Health and Nutrition Examination Survey I Epidemiologic Follow-Up Study

Table 1

Demographics and baseline characteristics.

CharacteristicsCases 
Controls 

Age of diagnosis/years of follow-up (%)
 50–6041 (51.90%)
 61–7021 (26.58%)
 71–8014 (17.72%)
 80 and above3 (3.80%)
Mean (standard deviation)62.82 (9.26)
Minimum-maximum50–87

BMI at age 25
 Mean (standard deviation)21.11 (2.65)
 Minimum-maximum16.83–33.77

BMI status at age 25
 Underweight9 (11.39%)
 Normal65 (82.28%)
 Overweight4 (5.06%)
 Obese1 (1.27%)

Live births
 012 (15.19%)10 (12.66%)
 1 or more67 (84.81%)69 (87.34%)

Age > 30 for birth of first child
 Yes ()4 (5.06%)4 (5.06%)
 No ()64 (81.01%)68 (86.08%)
 N/A11 (13.92%)7 (8.86%)

History of BC female relatives (mother)
 Yes13 (16.46%)16 (20.25%)
 No66 (83.54%)63 (79.75%)

Have ever used hormone therapy (HRT)
 Yes6 (7.59%)34 (43.04%)
 No73 (92.41%)45 (56.96%)