Table 1.

Participant Demographics and Medical Characteristics

Characteristic	No Symptoms		Some Insomnia Symptoms		Clinical Insomnia
	No. of Patients	%	No. of Patients	%	No. of Patients	%
Age, years
Mean	61.3		57		55.9
SE	0.08		0.04		0.03
Diagnosis
Alimentary tract	27	36	30	40	18	24
Brain and peripheral	1	33.3	1	33.3	1	33.3
Breast	61	15.3	156	39	183	45.8
Genitourinary tract	6	21.4	7	25	15	53.6
Gynecologic	11	17.2	25	39.1	28	43.8
Hematologic	23	19.5	44	37.3	51	43.2
Lung	24	20	35	29.2	61	50.8
Melanoma	0	0	0	0	1	100
Neck and head	3	75	0	0	1	25
Soft tissue sarcoma	1	33.3	1	33.3	1	33.3
Unknown primary	3	42.9	2	28.6	2	28.6
Marital status
Married	106	18.2	220	37.7	257	44.1
Divorced	16	18.6	25	29.1	45	52.3
Separated	3	30	1	10	6	60
Single	14	23	22	36.1	25	41
Widowed	21	25.3	33	39.8	29	34.9
Race
American Indian	4	66.7	0	0	2	33.3
Black	16	28.1	17	29.8	24	42.1
Hawaiian/Pacific Islander	4	19	10	47.6	7	33.3
Non-Hispanic	2	14.3	3	21.4	9	64.3
Unknown	0	0	0	0	3	100
White	134	18.6	271	37.5	317	43.9
Ethnicity
Nonwhite	26	25.7	30	29.7	45	44.6
White	134	18.6	271	37.5	317	43.9
Sex, female	106	17.7	229	38.3	263	44.0
Previous treatment
Surgery	95	17.9	204	38.3	233	43.8
Chemotherapy	21	17.9	56	47.9	40	34.2
Radiation	21	24.4	28	32.6	37	43.0
Other	147	20.2	271	37.3	309	42.5
Other disease characteristics
Adjuvant	94	17.8	186	35.3	247	46.9
Metastatic	60	22.7	100	37.9	104	39.4
Neoadjuvant	3	33.3	6	66.7	0	0
Other	2	15.4	5	38.5	6	46.2
Recurrent	1	14.3	3	42.9	3	42.9