Table 3.

Results of the Exploratory Factor Analysis of the Illness Invalidation Inventory (medical professionals) Demonstrating the Loadings of Each Item in the Scale With the Factor of Invalidation

Itema,b	Mean	SD	h2c	Loadingsd
Medical professionals find it odd that I can do much more work on some days than other days	2.70	1.11	0.54	0.73
Medical professionals think that I should be tougher	2.57	1.19	0.70	0.84
Medical professionals give me unhelpful advice	2.76	1.13	0.64	0.80
Medical professionals make me feel like I am an exaggerator	2.66	1.24	0.82	0.90
Medical professionals think I can work more than I do	2.52	1.24	0.67	0.82
Medical professionals take me seriouslye	2.27	0.99	0.73	0.86
Medical professionals understand the consequences of my health problems or illnesse	2.58	1.09	0.65	0.81
Medical professionals give me a chance to talk about what is on my minde	2.53	1.08	0.63	0.79

^aRespondents were asked to rate their frequency of experience with the statements provided.

^bOn the 5-point Likert scale, response categories are as follows: 1 = never, 2 = seldom, 3 = sometimes, 4 = often, 5 = very often.

^ch² or communalities indicate the proportion of variance explained by each item in the factor. Values above 0.3 indicate that each item from the scale shares common variance with the other items.

^dLoadings represent correlation of each item with the factor.

^eReversely scored item.