Table 1.

Eligibility Criteria for the Study of Environment, Lifestyle, and Fibroids

Inclusion criteria

Age 23–34 years at time of recruitment

Self-identify as African American, black, or partly African American

Intact uterus (i.e., no previous hysterectomy)

Residence in the United States

Ability to attend clinic visits in Detroit, MI

Stated commitment to remain in study for 5 years

Willing to provide contact information for tracing (contact information for three persons who could be asked about their whereabouts, or their social security number and contact information for 1 person who would know their whereabouts).

Exclusion criteria

Any prior diagnosis of uterine fibroids

Any prior diagnosis of cancer that required radiation or chemotherapy

Any prior diagnosis of lupus, Grave's disease, Sjogren's, scleroderma, or multiple sclerosis that required medication

Delayed entry

Any woman who was pregnant at recruitment had enrollment delayed until 3 months after the pregnancy ended.