Table 3

Convergent validity of the 4 factors. Spearman's rho correlation in total group (N = 961)

Factor
Frustrating
Exhausting
Pleasant
Frightening

Fatigue Severity
.66*
.58*
-.54*
.43*
Exhausting
.54*



Pleasant
-.48*
-.35*


Frightening
.49*
.42*
-.25*

Age
-.16*
-.14*
.05
-.03
Gender (1 = M, 2 = F)
-.09*
.03
.11*
-.10*

* p < 0.01

Gielissen et al. Health and Quality of Life Outcomes 2007 5:36   doi:10.1186/1477-7525-5-36