Table 6

Convergent and discriminant validity correlations

Original Six-Item ASC


Cancer Worry

Health Worry


Validity

Instrument

Subscale

n

r

p

n

r

p

Convergent

PANAS

Negative

722

.34

*

722

.46

*

CES-D

Total

727

.19

*

725

.39

*

Discriminant

PANAS

Positive

726

.11

.003

724

.06

.10


Revised Five-Item ASC (children's health item excluded)


Cancer Worry

Health Worry


Validity

Instrument

Subscale

n

r

p

n

r

p

Convergent

PANAS

Negative

722

.34

*

721

.43

*

CES-D

Total

727

.19

*

724

.39

*

Discriminant

PANAS

Positive

726

.11

.003

723

.02

.67


n is the sample size, r is the correlation, and p is the probability value. An asterisk (*) indicates that the p-value is less than 0.0001. Sample sizes vary because of missing values.

Gotay and Pagano Health and Quality of Life Outcomes 2007 5:15   doi:10.1186/1477-7525-5-15

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