Table 2.

Adjusted Logistic Regression Models for Potentially Abnormal Uterine Bleeding^3–6, The Study of Women’s Health Across the NationMenstrual Calendar Substudy

	Menses 10+ Days a Adjusted Odds Ratios (95% Confidence Interval)	Spotting 6+ Days b Adjusted Odds Ratios (95% Confidence Interval)	Heavy Bleeding 3+ Days c Adjusted Odds Ratios (95% Confidence Interval)
Menopausal Transition Stage
Pre-transition	Referent	Referent	Referent
Early transition	3.15 (2.47, 4.02)	2.66 (1.98, 3.57)	1.38 (1.10, 1.73)
Late transition	4.30 (3.26, 5.68)	3.95 (2.83, 5.52)	1.75 (1.31, 2.34)
Unknown	1.46 (0.82, 2.59)	0.94 (0.50, 1.77)	1.41 (0.90, 2.22)
Race/Ethnicity
African-American	0.64 (0.46, 0.89)	0.52 (0.37, 0.73)	1.26 (0.87, 1.84)
Chinese	0.97 (0.72, 1.32)	1.23 (0.90, 1.69)	1.04 (0.71, 1.51)
Japanese	0.80 (0.60, 1.07)	1.01 (0.76, 1.34)	0.59 (0.39, 0.88)
White	Referent	Referent	Referent
Very or Somewhat Hard to Pay for Basics	n/a	1.24 (0.96, 1.60)	1.57 (1.17, 2.11)
Uterine Fibroids	1.52 (1.22, 1.88)	1.28 (1.04, 1.58)	1.34 (0.97, 1.85)
Body Mass Index, kg/m2
Normal weight (≤24.9)	Referent	Referent	Referent
Overweight (25.0–29.9)	0.94 (0.73, 1.20)	0.88 (0.70, 1.11)	1.40 (1.02, 1.91)
Obese (≥ 30)	0.91 (0.69, 1.19)	0.80 (0.58, 1.10)	2.24 (1.63, 3.08)
Current Smoker	n/a	n/a	1.63 (1.16, 2.28)
Ever Hormone Use During Study	1.59 (1.27, 2.00)	1.32 (1.06, 1.64)	1.62 (1.21, 2.16)

^aMultivariable model contains menopausal transition stage, race/ethnicity, uterine fibroids, BMI, ever hormone use, and adjusted for repeated measures

^bMultivariable model contained menopausal transition stage, race/ethnicity, hard to pay for basics, uterine fibroids, BMI, ever hormone use, and adjusted for repeated measures

^cMulitvariable model contains menopausal transition stage, race/ethnicity, hard to pay for basics, uterine fibroids, BMI, current smoker, ever hormone use, and adjusted for repeated measures