TABLE 4.

Psychometric properties and CFA factor loadings for ZBI-9

			CFA Loadings
Items	Corrected Item-total Correlation	Item-factor Correlation	Factor 1	Factor 2	Factor 3	Factor 4
1 Do you feel that because of the time you spend with your care recipient that you don’t have enough time for yourself?	0.72	0.90	0.80	—	—	—
2 Do you feel stressed between caring for your care recipient and trying to meet other responsibilities for your family or work?	0.77	0.89	0.84	—	—	—
3 Do you feel that your social life has suffered because you are caring for your care recipient?	0.78	0.89	0.86	—	—	—
4 Do you feel that you will be unable to take care of your care recipient much longer?	0.55	0.90	—	0.68	—	—
5 Do you feel that you have lost control of your life since the care recipient’s illness?	0.73	0.91	—	0.93	—	—
6 Do you feel strained when you are around your care recipient?	0.68	0.88	—	—	0.79	—
7 Do you feel your health has suffered because of your involvement with your care recipient?	0.59	0.89	—	—	0.73	—
8 Do you feel you should be doing more for your care recipient?	0.33	0.91	—	—	—	0.96
9 Do you feel you could do a better job in caring for your care recipient?	0.26	0.90	—	—	—	0.67
Cronbach’s alpha			0.87	0.77	0.73	0.78