Table 2.

Maximum likelihood factor analysis in the FoP‐Q‐SF.

Factor	Items	Factor Loading	h 2	ʎ	% Variance
Fear of progression	1. I become anxious if I think my disease may progress	0.802	0.643	7.805	65.045
	2. I am nervous before doctors’ appointments or periodic examinations	0.806	0.649
	3. I am afraid of pain	0.854	0.730
	4. I have concerns about reaching my professional goals because of my illness	0.824	0.678
	5. When I am anxious, I have physical symptoms such as a rapid heartbeat, stomach ache or agitation	0.786	0.618
	6. The possibility of my children contracting my disease disturbs me	0.724	0.525
	7. It disturbs me that I may have to rely on strangers for activities of daily living	0.763	0.583
	8. I am worried that at some point in time I will no longer be able to pursue my hobbies because of my illness	0.824	0.679
	9. I am afraid of severe medical treatments during the course of my illness	0.891	0.794
	10. I worry that my treatment could damage my body	0.864	0.747
	11. I worry about what will become of my family if something should happen to me	0.727	0.528
	12. The thought that I might not be able to work due to my illness disturbs me	0.795	0.632
	Reliability measures
	Cronbach's α	0.950
	McDonald's Omega	0.957
	Average Inter‐Item Correlation	0.649

Abbreviations: FoP‐Q‐SF, fear of progression questionnaire‐short form; h ², communalities; ʎ, Eigenvalue.