Table I.

Association between Women’s Characteristics and Hysterectomy Status: Bi-variate analysis and logistic regression

Women’s characteristics	Total N=180,982	Had hysterectomy (%)	Bi-variate Analysis [Crude OR (95% CI)]	Multivariable Analysis [Adjusted OR (95% CI)]
Age at questionnaire (y)
18 to 45	74,583	7.6	Reference	Reference
46 to 54	32,792	28.2	4.76 (4.6 to 4.94)	5.00 (4.82 to 5.19)
55 & older	73,607	44.6	9.76 (9.47 to 10.1)	8.73 (8.44 to 9.02)
Region of country
Northeast	39,762	19.1	Reference	Reference
Southeast	46,912	31.9	1.98 (1.92 to 2.05)	2.03 (1.97 to 2.11)
Midwest	40,855	26.0	1.49 (1.44 to 1.54)	1.50 (1.44 to 1.56)
West	49,158	27.7	1.62 (1.57 to 1.68)	1.80 (1.74 to 1.87)
Other	4,295	21.5	1.16 (1.07 to 1.26)	1.33 (1.21 to 1.45)
Race
White	141,399	27.4	Reference	Reference
Black	16,756	25.6	.91 (.88 to .95)	1.08 (1.04 to 1.13)
Hispanic	13,737	18.4	.60 (.57 to 63)	.79 ( .75 to .83)
Other	9,090	24.1	.84 (.80 to .88)	Not significant
Education Level
College graduate	54,269	17.8	Reference	Reference
Some college	50,462	26.5	1.66 (1.61 to 1.71)	1.51 (1.46 to 1.56)
High school graduate	56,366	31.0	2.07 (2.01 to 2.13)	1.61 (1.56 to 1.67)
Less than high school	19,885	36.3	2.62 (2.53 to 2.72)	1.75 (1.68 to 1.83)
Reported annual income level
Greater than 50K	51,256	19.1	Reference	Reference
15 to 50 K	79,374	27.1	1.57 (1.53 to 1.61)	1.06 (1.03 to 1.10)
Less than 15 K	23,739	33.0	2.08 (2.02 to 2.16)	1.06 (1.02 to 1.11)
Refused	26,613	32.3	2.02 (1.95 to 2.09)	Not significant
Employment status
Employed	95,507	18.9	Reference	Reference
Out of work	8,311	19.6	1.03 ( .98 to 1.10)	Not significant
Not in labor force	77,738	36.3	2.44 (2.38 to 2.50)	1.23 (1.20 to 1.27)