Table 1.

Partner Interfering Behaviors in Cancer Care (PIB-C): Psychometric Evaluation

PIB-C Items (Abbreviated 14-item measure)*	Agree %(n)		Factor and Loadings
			Partner focused on self	Partner Cautious	Partner Interfered
1. Partner interfered with your getting a doctor’s appointment	0.7	(16)	0.188	0.202	0.643
2. Partner implied you did not deserve medical treatment	0.6	(14)	0.205	0.297	0.342
3. Partner made you feel your medical needs were a burden on the family	3.3	(78)	0.724	0.166	0.144
4. Partner made you feel guilty for needing extra help or care during cancer treatment or recovery	5.0	(118)	0.776	0.176	0.151
5. Partner refused to handle existing or new responsibilities as a result of your cancer treatment	5.0	(120)	0.650	−0.042	0.217
6. Partner created an embarrassing scene at your doctor’s office	1.1	(26)	0.125	0.356	0.649
7. Partner criticized your doctor or their medical care	2.5	(59)	0.209	0.717	0.039
8. Partner suggested that your doctor was not capable of providing medical treatment for you	2.0	(48)	0.142	0.757	0.209
9. Partner made you think you did not have a serious medical condition	3.8	(90)	0.718	0.251	0.090
10. Partner “forgot” to pick up your prescriptions.	1.7	(40)	0.186	−0.186	0.676
11. Partner said no treatment until you got a second opinion.	3.1	(73)	0.098	0.653	0.045
12. Partner complained that you were not focusing on him or your family	3.9	(94)	0.696	0.112	0.185
13. Partner discouraged your talking with others about your cancers.	1.5	(36)	0.412	0.326	0.281
14. Partner did not allow to relax or recover following cancer treatment	3.4	(81)	0.679	0.186	0.120
	Psychometrics of Scales
# Items in factor (14 in full scale)	14		7	3	4
N (%) Endorsing any time in scale (or subscale)	349 (14.7)		262 (11.0)	123 (5.2)	72 (3.0)
Mean score or subscale; (Range)	0.37 (0–14)		0.26 (0–7)	0.08 (0–3)	0.04 (0–4)
Cronbach’s Alpha by factor	0.840		0.835	0.651	0.560
Variance explained by factor			66.3%	19.5%	14.4%

^*Agree (=1) vs disagree (=0) response options