Table 1.

Selected Characteristics of Women with Hysterectomies and Control Women

	Women with hysterectomies (n = 236)		Control women (n = 392)
	Mean	SD	Mean	SD	p value
Age (years) at interview	40.4	4.0	40.3	4.6	0.8
Number of pregnancies	2.6	1.7	2.3	2.0	0.01
Number of full-term pregnancies	1.8	1.3	1.4	1.4	0.002
	n	%	n	%
Age at interview (years)					0.08
30–34	15	6.4	42	10.7
35–39	75	31.8	113	28.8
40–44	106	44.9	151	38.5
45–47	40	17.0	86	21.9
Race					0.02
White	113	47.9	231	58.9
African American	116	49.2	147	37.5
All other	7	3.0	14	3.6
Marital status					0.03
Married/living as married	147	62.3	213	54.3
Single, never married	38	16.1	98	25.0
Divorced/separated/widowed	51	21.6	81	20.7
Educational level					<0.0001
Up to high school graduate	152	64.4	174	44.4
College graduate	61	25.9	117	29.9
Graduate/professional school	23	9.8	101	25.8
Number of full-term pregnancies					0.001
None	44	18.6	130	33.2
One	50	21.2	75	19.1
Two or three	125	53.0	164	41.8
Four or more	17	7.2	23	5.9
History of infertility					0.7
Yes	43	18.2	77	19.6
No	193	81.8	315	80.4
Oral contraceptive use					0.4
Ever	218	92.4	354	90.3
Never	18	7.6	38	9.7
Tubal ligation					<0.0001
Yes	107	45.3	104	26.5
No	129	54.7	288	73.5
Smoking status					0.08
Never smoker	142	60.2	258	65.8
Former smoker	43	18.2	77	19.6
Current smoker	51	21.6	57	14.5
Currently drink alcohol					0.2
No	79	33.5	110	28.1
Yes	157	66.5	282	71.9
Strenuous physical activity					<0.0001
Never or <once a month	119	50.4	123	31.4
Up to 1 time a week	34	14.4	95	24.2
2–6 times a week	73	30.9	161	41.1
≥7 times a week	10	4.2	13	3.3
Moderate physical activity					0.01
Never or <once a month	39	16.5	34	8.7
Up to 1 time a week	55	23.3	98	25.0
2–6 times a week	110	46.6	216	55.1
≥7 times a week	32	13.6	44	11.2
Physical activity in occupation					0.02
Mainly sitting	94	39.8	198	50.5
Mainly standing or walking	44	18.6	69	17.6
Mainly active to very active	67	28.4	74	18.9
Do not work outside the home	31	13.1	51	13.0
Weight pattern during adulthood					0.2
Stable (±10 pounds) or weigh less	67	28.4	130	33.5
Weigh more now	87	36.9	150	38.7
Weight fluctuates	82	34.7	108	27.8
Missing			4
Change in strenuous physical activity between baseline and follow-up					0.6
Unchanged	135	57.2	211	53.8
Decreased	56	23.7	107	27.3
Increased	45	19.1	74	18.9
Change in moderate physical activity between baseline and follow-up					0.1
Unchanged	100	42.4	192	49.0
Decreased	53	22.5	90	23.0
Increased	83	35.2	110	28.1