NR4A1 and breast cancer: A total of 1340 women (mean [SD] age, 51.3 [9.9] years) enrolled in DELCaP and completed the baseline questionnaire (Table); most participants were postmenopausal (696 [52.5%]), self-identified as non-Hispanic White (1118 [83.7%]), completed at least some college education (954 [71.2%]), and were diagnosed with hormone-receptor positive BC (873 [65.3%]).