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

Table 2

The association between weight fluctuation and postmenopausal breast cancer.

Model	Odds ratio	95% Wald confidence limits		value (Wald Chi-square)
# 1: weight fluctuation (RMSE)	1.674	1.056	2.655	0.0285
# 2: weight fluctuation (RMSE)	2.917	1.385	6.142	0.0048

Model #1 included weight gain.
Model #2 included weight gain, parity, first child at >30 years of age, history of cancer (mother), and have ever used hormonal therapy.
The result is significant with .