. 2014 Aug 18;34(3):207–215. doi: 10.1037/hea0000096

Table 2. Final Models of the Variance in Anxiety, Depression, and Trauma Explained by Illness Perceptions, After Controlling for Age and Gender.

	Anxiety model				Depression model				PTSD symptoms model
	R² change	Beta	t	Sig	R² change	Beta	t	Sig	R² change	Beta	t	Sig
Note. PTSD = posttraumatic stress disorder; Sig = significance; IPQ-R = Illness Perception Questionnaire-Revised; Adj = adjusted.
* p < .001.
Constant			−.56	.582			−.79	.428			−.75	.453
Gender	.12*	−.33	−5.49	<.001	.01	−.15	−2.21	.028	.12*	−.27	−4.44	<.001
Age		−.06	−.98	.326		.02	.28	.778		−.15	−2.45	.015
IPQ-R	.20*				.18*				.22*
Identity (0/1)		.14	2.34	.020		.14	2.10	.037		.18	3.03	.003
Chronic timeline		.17	2.20	.029		.18	2.11	.036		.16	2.11	.036
Cyclical timeline		.12	1.82	.070		.10	1.46	.15		.02	.27	.786
Consequences		.14	2.05	.041		.15	2.00	.046		.17	2.41	.017
Personal control		−.07	−1.25	.212		−.13	−1.96	.051		−.03	−.53	.600
Treatment control		.13	1.71	.088		.07	.82	.412		.19	2.63	.009
Illness coherence		−.00	−.06	.951		−.01	−.17	.865		−.20	−3.16	.002
Psychological cause		.22	3.45	.001		.10	1.42	.156		.16	2.61	.010
Model summary
R²	32				.19				.34
Adj R²	28				.15				.31