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Table 2 Pre- and post-intervention means±SD, marginal means for changes, and 95%CIs for strength and body composition in Study 1

From: Programming and supervision of resistance training leads to positive effects on strength and body composition: results from two randomised trials of community fitness programmes

Variable

Pre- (Mean ± SD)

Post- (Mean ± SD)

Change (Marginal Means)

95% Confidence Interval for Change

Strength (kg)

 CONT

67.0 ± 22.4

72.2 ± 37.0

4.4

−8.9 to 17.7

 FREE

71.0 ± 27.4

91.4 ± 56.4

18.4

8.2 to 28.5

 PAC

71.4 ± 28.0

79.3 ± 36.2

7.2

−5.9 to 20.3

 STRUC

66.4 ± 24.4

87.0 ± 45.5

16.0

5.9 to 26.0

BF%

 CONT

34.2 ± 11.5

34.3 ± 11.7

0.1

−1.9 to 2.1

 FREE

34.7 ± 14.8

34.2 ± 14.9

−0.5

−2.1 to 1.1

 PAC

34.9 ± 13.0

34.2 ± 13.4

−0.8

−2.7 to 1.3

 STRUC

35.7 ± 16.0

32.9 ± 15.1

−2.5

−4.1 to −0.9

BF Mass (kg)

 CONT

24.8 ± 13.4

23.1 ± 9.3

−1.5

−3.1 to 0.2

 FREE

24.4 ± 11.9

23.7 ± 11.3

−0.8

−2.1 to 0.6

 PAC

25.1 ± 9.8

24.4 ± 9.0

−0.6

−2.2 to 1.1

 STRUC

24.7 ± 10.8

23.1 ± 10.3

−1.3

−2.6 to 0.0

LBM (kg)

 CONT

49.0 ± 18.6

47.1 ± 18.6

−1.8

−4.5 to 0.9

 FREE

48.9 ± 18.2

48.5 ± 18.2

−0.4

−2.6 to 1.8

 PAC

50.3 ± 18.4

51.4 ± 18.9

1.2

−1.5 to 3.9

 STRUC

48.4 ± 19.4

50.7 ± 18.1

2.3

0.1 to 4.5

  1. CONT control, FREE free/unstructured exercise, PAC physical activity counselling, STRUC structured exercise programme