Table 5.

Associated clinical factors (multivariable regression)

Risk factor	Anatomic site
	Bladder (tender vs non-tender)		Pelvic floor (tender vs non-tender)		Cervix and uterus (tender vs non-tender)		Cul-de-sac or uterosacral ligaments (tender vs non-tender)
	Exp[b] (95% CI)	P value	Exp[b] (95% CI)	P value	Exp[b] (95% CI)	P value	Exp[b] (95% CI)	P value
Endometriosis∗								<.001
Present							3.54 (2.00–6.25)	<.001
Suspected							6.87 (3.69–12.8)	<.001
Excluded							reference	—
Painful bladder syndrome†	2.90 (1.77–4.76)	<.001			1.68 (1.12–2.50)	.011	1.62 (1.11–2.38)	.013
Age‡	0.94 (0.91–0.97)	.001	0.96 (0.94–0.99)	.012
Depression‡ (PHQ-9)	1.05 (1.01–1.09)	.008	1.07 (1.03–1.10)	<.001
Pain Catastrophizing Scale‡					1.03 (1.01–1.04)	<.001
Miscarriage†					2.24 (1.42–3.53)	.001
Family history of chronic pain∗		.009						.016
Yes	1.81 (1.01–3.24)	.045					1.96 (1.23–3.11)	.005
Don’t know	2.45 (1.37–4.39)	.003					1.40 (0.87–2.24)	.16
No	reference	—					reference	—
Education§			0.84 (0.73–0.97)	.015			0.80 (0.70–0.91)	.001
Income§			0.87 (0.76–0.98)	.025
Red meat consumption§					1.41 (1.06–1.89)	.019

CI = confidence interval; PHQ-9 = Patient Health Quality–9.

^∗Categorical variable.

^†Binary variable.

^‡Continuous variable.

^§Ordinal variable (see Table 4).