Table 5

Association of anxiety or optimism with quality of life (dimension SF, RE, MH and GH of SF36)
Social functioning score Role emotional score Mental health score General health score
M1 M2 M3 M1 M2 M3 M1 M2 M3 M1 M2 M3
Anxiety score
4-33* 34.4 29.2 43.5 44.5 37.4 37.2 26.9 23.8
17-29* 30.1 22.1 38.9 36.3 31.0 28.7 20.4 17.1
29-41* 17.4 10.7 23.4 25.3 17.6 15.3 10.6 6.2
41-80** (40.8) (44.4) (23.7) (25.2) (36.9) (38.5) (32.1) (35.2)
p-value <0,0001 <0,0001 <0,0001 <0,0001 <0,0001 <0,0001 <0,0001 <0,0001
Optimism score
0-13* -23.0 - 12.7 - 29.8 - 6.7 - 24.6 - 6.2 - 23.4 - 11.8
13-15* - 15.0 - 4.7 - 26.4 - 6.1 - 16.2 - 1.1 - 16.4 - 4.7
15-17* - 6.7 - 2.6 - 13.5 - 4.2 - 9.1 - 1.9 - 9.9 - 4.0
17-20** (70.3) (64.9) (64.2) (55.9) (68.2) (61.1) (57.1) (52.1)
p-value <0,0001 <0,0001 <0,0001 0.0069 <0,0001 <0,0001 <0,0001 <0,0001
Interaction Anxiety score and Optimism score p-value 0.0021 0.3142 0.0365 0.0300

*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 : SF, (Social Functionning) RE (Role Emotional), MH (Mental Health), GH (General Health).

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.

Kepka et al.

Kepka et al. Health and Quality of Life Outcomes 2013 11:134   doi:10.1186/1477-7525-11-134

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