Both studies adjusted for age and pre-diagnosis BMI, but Bradshaw et al. also adjusted for pre-diagnosis adult weight gain, hormone receptor status, and tumour size, while Kroenke et al. also adjusted for oral contraceptive use, parity and age at birth, menopausal status, age at menopause, use of hormone replacement therapy, protein intake, and tamoxifen use. Here, NR4A1 is linked to neoplasm.