The relationship between traits optimism and anxiety and health-related quality of life in patients hospitalized for chronic diseases: data from the SATISQOL study

Table 4 Association of anxiety or optimism with quality of life (dimensions PF, RP, BP and VT of SF36)

		Physical functioning score			Role physical score			Bodily pain score			Vitality score
		M1	M2	M3	M1	M2	M3	M1	M2	M3	M1	M2	M3
Anxiety score
	4-17*	16.0		17.3	32.4		35.3	22.9		15.8	28.6		28.3
	17-29*	15.1		16.1	28.5		29.4	19.9		11.4	22.1		21.3
	29-41*	6.8		7.8	16.7		17.7	8.9		- 2.7	11.8		10.8
	41-80**	(54.2)		(55.2)	(26.2)		(26.9)	(42.2)		(45.8)	(28.1)		(29.8)
	p-value	<0,0001		<0,0001	<0,0001		<0,0001	<0,0001		<0,0001	<0,0001		<0,0001
Optimism score
	0-13*		-14.6	- 3.1		- 24.9	- 3.8		- 16.8	- 13.0		- 19.5	- 5.8
	13-15*		- 6.9	2.2		- 18.5	- 4.5		- 9.9	- 9.1		- 14.3	- 0.5
	15-17*		- 4.1	0.6		-12.7	- 2.5		- 4.4	-2.6		- 7.3	- 0.1
	17-20**		(69.2)	(65.6)		(57.3)	(50.2)		(61.4)	(58.1)		(51.9)	(46.5)
	p-value		<0,0001	0.0038		<0,0001	0.0522		<0,0001	0.0012		<0,0001	0,0001
Interaction Anxiety score and Optimism score	p-value			0.9872			0.1792			0.2807			0.3709

*Figure in each cells indicates he mean difference with reference class value**.
**reference class : (absolute score value).
M1 (Model 1) : Relation between anxiety and quality of life.
M2 (Model 2) : Relation between optimism and quality of life.
M3 (Model 3) : Relation between anxiety, optimism and quality of life.
All models were adjusted for center, age, gender, level of education, use of psychotropic drugs, p significant <0.006.
Dimensions of SF36 score : PF (Physical Functionning), RP (Role Physical), BP (Bodily Pain), VT (Vitality).
Anxiety score: STAI score <33 corresponds to the lowest level of anxiety and >51 to the highest level of anxiety.
Optimism score : LOT-R score <13 corresponds to the lowest level of optimism and >17 to the highest level of optimism.

ISSN: 1477-7525