Table 3.

Mean Difference in Nugent Score by BMI Category Overall and Within Each Race

BMI Category (kg/m2)	Mean Nugent Score (SD)	Mean Difference in Nugent Score (95% Confidence Interval)			Black v. White
		Crude	Fully Adjusted*	Final Adjusted**	Interaction p-value
All Women†
< 18.5	4.27 (3.01)	0.30 (−0.14, 0.73)	0.15 (−0.29, 0.58)	0.19 (−0.24, 0.62)	0.557
18.5–24.9	3.90 (2.85)	Referent	Referent	Referent	Referent
25–29.9	4.53 (2.94)	0.40 (0.22, 0.59)	0.29 (0.11, 0.48)	0.33 (0.14, 0.51)	0.891
30–34.9	4.87 (2.99)	0.61 (0.39, 0.83)	0.44 (0.23, 0.66)	0.51 (0.29, 0.72)	0.401
≥ 35	4.93 (2.96)	0.53 (0.31, 0.75)	0.28 (0.07, 0.50)	0.37 (0.16, 0.59)	0.064
Black Women
< 18.5	5.08 (3.02)	0.10 (−0.62, 0.83)	0.00 (−0.72, 0.72)	0.00 (−0.72, 0.71)
18.5–24.9	4.98 (3.01)	Referent	Referent	Referent
25–29.9	5.24 (3.01)	0.26 (−0.03, 0.55)	0.23 (−0.06, 0.52)	0.30 (0.01, 0.58)
30–34.9	5.37 (3.06)	0.39 (0.07, 0.71)	0.34 (0.02, 0.66)	0.41 (0.10, 0.73)
≥ 35	5.19 (3.00)	0.21 (−0.09, 0.51)	0.07 (−0.23, 0.38)	0.18 (−0.12, 0.48)
White Women
< 18.5	3.63 (2.79)	0.43 (−0.15, 1.01)	0.23 (−0.34, 0.81)	0.30 (−0.28, 0.87)
18.5–24.9	3.21 (2.51)	Referent	Referent	Referent
25–29.9	3.62 (2.70)	0.42 (0.16, 0.67)	0.24 (−0.02, 0.49)	0.24 (−0.01, 0.49)
30–34.9	3.99 (2.78)	0.78 (0.45, 1.11)	0.51 (0.18, 0.84)	0.56 (0.23, 0.89)
≥ 35	4.08 (2.71)	0.88 (0.50, 1.25)	0.51 (0.13, 0.88)	0.58 (0.21, 0.95)

BMI – body mass index; SD – standard deviation; statistically significant values are in bold.

^*Fully adjusted model included income, public assistance, trouble paying for basics, education, number of sex partners in the last 30 days, lifetime number of sex partners, current tobacco use, douching in last 30 days, douching in last 180 days, history of sexually transmitted infection, current sexually transmitted infection.

^**Final model adjusted for public assistance, education, current smoker, douching in the last 30 days and sexually transmitted infection at baseline.

^†The All Women model was also adjusted for race.