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
RRrr
*p<0.05.
†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 pain0.140.120.020.11
    General behaviour problems–0.03–0.19*–0.15–0.09
    Mental health0.050.030.140.05
    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–0.030.140.22*0.17
    Impact on parent of child’s health - time restrictions–0.050.020.050.15
    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–0.04–0.050.050.01
CHAT Questionnaire
    General health0.04–0.19–0.34*–0.11
    Social life–0.010.03–0.19–0.08
    Seriousness of condition–0.010.010.01–0.03
    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*