全国夫妇健康和时间压力生物学研究（NCHAT-BIO）：第1波方法报告和第3波预览

Objective. Sexual minority populations are growing, experience elevated physical and mental health risks, and have unique stressor exposures. However, biopsychosocial research on sexual minority individuals at the population level remains limited. Addressing this gap, we launched the National Couples’ Health and Time Stress Biology Study (NCHAT-BIO), the first US-based study focused on stress biology within a large, diverse sample of married/cohabiting sexual minority and heterosexual adults. NCHAT-BIO capitalized on the unique opportunity of NCHAT, a population-representative US sample which