TABLE 7.
Consistency of risk factors for endometriosis across study cohort, definition of endometriosis, and choice of comparison group, ENDO Study (n = 600)
| Risk factor | Population cohort (Table 3) (n = 127) | Operative cohort visualized disease (Table 3) (n = 600) | Operative cohort visualized and histologically confirmed disease vs no endometriosis (Table 4) (n = 473) | Operative cohort rASRM stages 3 and 4 endometriosis only vs no endometriosis (Table 5) (n = 339) | Operative cohort endometriosis vs women with normal pelvis at laparoscopy (Table 6) (n = 320) |
|---|---|---|---|---|---|
| Increased risk | |||||
| Higher income | — | ||||
| College education | — | — | |||
| Infertility history | — | — | — | — | — |
| Older age at first sex | — | — | — | — | |
| Surgical indication for pelvic pain | — | — | — | — | |
| Dysmenorrhea | — | — | — | ||
| History pelvic pain | — | ||||
| Decreased risk | |||||
| Higher gravidity | — | — | — | — | |
| Higher parity | — | — | — | — | |
| Higher body mass index | — | — | — |
rASRM, revised criteria from American Society for Reproductive Medicine.
Peterson. Risk factors associated with endometriosis. Am J Obstet Gynecol 2013.