Table 2

Mean and SD for complete cases and imputed data for missing values on PA (ie, sport, VPA and MVPA), fruit intake, aerobic capacity (estimated VO2max), mental health and need for recovery for the intervention and control group at baseline and after 6 months of follow-up after baseline

GroupComplete cases analysesImputed data for missing values analyses
nT0m, mean (SD)T6m, mean (SD)∆ (T0−T6m)β (95% CI)nT0m, mean (SD)T6m, mean (SD)∆ (T0−T6m)β (95% CI)
PA—by the SQUASH
 Sports (min/week)I283134.6 (139.2)209.9 (192.1)75.3 40.4 (13.0 to 67.7) * 367130.7 (136.7)205.6 (189.7)74.9 33.2 (29.5 to 36.9) *
C269133.9 (139.8)169.0 (177.5)35.1 363123.3 (135.0)167.9 (175.7)44.6
 VPA (min/week)I286356.9 (300.8)516.4 (655.0)159.548.5 (−81.0 to 178.1)367178.8 (262.6)299.2 (523.6)120.424.9 (37.0 to 86.9)
C271362.9 (292.7)473.2 (579.7)110.3 363182.3 (270.3)277.0 (438.3)94.7
 MVPA (min/week)I286830.4 (611.6)1091.3 (832.4)260.9−1.4 (−126.0 to 123.2)367803.7 (605.9)1093.4 (797.0)289.3−7.7 (−108.0 to 92.5)
C271827.4 (620.9)1092.0 (264.6)264.6 363825.2 (607.4)1113.5 (750.7)288.3
PA—by CSA
 VPA (min/week) (min/week)I6112.7 (33.6)20.3 (34.4)7.68.5 (−0.34 to 17.3)9514.1 (32.1)18.7 (26.9)4.64.3 (−1.7 to 10.2)
C7313.9 (35.3)12.4 (28.3)−1.5 10112.4 (30.4)13.7 (23.1)1.3
 MVPA (min/week)I61224.3 (173.8)244.6 (141.2)20.313.8 (−25.9 to 53.5)95233.4 (157.0)241.6 (109.2)8.27.0 (−18.0 to 32.1)
C73220.2 (156.4)229.8 (103.6)9.6 101220.0 (158.0)232.2 (83.7)12.2
Fruit intake
 Pieces/weekI29325.3 (14.6)31.0 (14.7)5.7 2.7 (0.63 to 4.7) * 36724.8 (14.9)30.5 (14.7)5.7 2.0 (0.13 to 3.9) *
C28226.0 (13.2)28.7 (14.8)2.7 36325.4 (13.4)28.8 (14.7)3.4
Vitality-related outcomes
 VO2max I13830.7 (6.7)31.7 (8.3)1.00.231 (0.82 to 1.03)20930.1 (7.0)31.2 (8.1)1.10.06 (−1.2 to 1.3)
C12231.7 (6.2)32.4 (8.3)0.7 21831.8 (8.2)31.8 (8.2)1.0
 Mental healthI29376.0 (14.2)76.9 (13.8)0.91.04 (−0.70 to 2.78)36775.2 (14.8)76.2 (14.1)1.00.87 (−0.79 to 2.5)
C28277.9 (13.3)77.0 (13.4)−0.9 36377.6 (13.4)76.9 (13.4)−0.7
 Need for recoveryI29328.5 (27.2)25.3 (26.7)−3.2 −3.5 (−6.4 to −0.54) * 36729.6 (27.7)26.4 (27.3)−3.2 −2.8 (−3.2 to −2.4) *
C28226.9 (27.4)27.5 (28.0)0.6 36327.8 (28.1)27.9 (28.2)0.1
  • * p<0.05.

  • The intervention effects are also presented.

  • ∆, mean difference between baseline and follow-up measure directly after the intervention ended (ie, 6 months); β, estimated intervention effect from linear regression analysis adjusted for baseline differences on the outcome measure; C, control group; I, intervention group; MVPA, moderate-to-vigorous physical activities; PA, physical activity; SQUASH, Short QUestionnaire to ASses Health-enhancing physical activity.