Table 1

 Relationship between objectively-measured physical activity levels† and health status

VariablePearson correlation coefficient
Physical activity levelPer cent predicted MaxVo2Per cent predicted Vo2 at VATPer cent predicted MaxWork
†Reported as number of minutes per day spent in moderate or vigorous physical activity, after logarithmic transformation.
CHAT, Congenital Heart Adolescent and Teenage Questionnaire; CHQ, Child Health Questionnaire; MaxVo2, maximum oxygen consumption at peak exercise; MaxWork, maximum work rate; Vo2 at VAT, oxygen consumption at anaerobic threshold.
CHQ Parent Report
    Global health0.080.39*0.45*0.33*
    Physical functioning limitations0.040.21*0.24*0.29*
    Impact of emotional or–0.04–0.08–0.110.02
    behavioural problems - school or work
    Impact of physical limitations - school or work0.110.21*0.24*0.29*
    Bodily pain0.
    General behaviour problems–0.03–0.19*–0.15–0.09
    Mental health0.
    Self esteem0.080.170.28*0.07
    General health perceptions0.23*0.25*0.150.36*
    Impact on parent of child’s health - parent worries/concerns–*0.17
    Impact on parent of child’s health - time restrictions–
    Family activities0.13–0.07–0.030.03
    Family cohesion0.140.110.26*0.02
    Overall physical functioning summary score0.140.29*0.26*0.38*
    Overall psychosocial functioning summary score–0.04–
CHAT Questionnaire
    General health0.04–0.19–0.34*–0.11
    Social life–0.010.03–0.19–0.08
    Seriousness of condition––0.03
    Activity limitations–0.22–0.32*–0.34*–0.32*
    Emotional concerns0.02–0.040.01–0.18
    Friendship concerns–0.21–0.17–0.12–0.25*
    Career concerns–0.04–0.12–0.16–0.22*
    Symptom concerns–0.02–0.25*–0.22–0.21*