Table 2

 Mean activity levels (using activity diary) in children with and without cystic fibrosis

Activity levels (MJ/day)
PrepubescentPubescent
GirlsBoysGirlsBoys
All values shown are mean (SE).
*Indicates significantly different from control value (p < 0.05).
n indicates the number of subjects studied in each group.
Mild disease severity = FEV1 ⩾70% predicted.
Moderate to severe disease severity = FEV1 <70% predicted.
Control10.8 (1.8) (n = 38)11.8 (1.6) (n = 32)11.3 (1.4) (n = 37)13.8 (1.7) (n = 41)
Total CF11.0 (1.8) (n = 38)12.2 (1.9) (n = 32)11.7 (1.3) (n = 37)13.9 (1.6) (n = 41)
Mild CF12.6 (1.7)* (n = 22)13.2 (1.2)* (n = 17)13.2 (1.2)* (n = 21)14.9 (1.2)* (n = 26)
Moderate to severe CF10.9 (1.6) (n = 16)12.0 (1.2) (n = 15)9.7 (1.2)* (n = 16)12.0 (1.5)* (n = 15)