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Table 4 Interscale correlation matrices* for VAS/Likert-type methods

From: Validation of a general measure of treatment satisfaction, the Treatment Satisfaction Questionnaire for Medication (TSQM), using a national panel study of chronic disease

 

Effectiveness (EFFECT)

Side effects (SIDEF)

Convenience (CONV)

 

VAS**

Likert***

VAS**

Likert***

VAS**

Likert***

Effectiveness

1.00

1.00

    

Side effects

.23

.37

1.00

1.00

  

Convenience

.22

.36

.33

.35

1.00

1.00

Global Satisfaction

.60

.72

.36

.43

.41

.48

  1. * Spearman correlations are significant at the .0001 level (2-tailed); **VAS sample (n = 287); ***Likert type sample (n = 280)
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Health and Quality of Life Outcomes

ISSN: 1477-7525

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