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Table 4 Psychosocial variable means at T0 and T1 by trial arm

From: Effectiveness and cost-effectiveness of the PLAN-A intervention, a peer led physical activity program for adolescent girls: results of a cluster randomised controlled trial

Variable

Intervention

Control

N

Mean (SD)

N

Mean (SD)

Physical activity motivation: Autonomous

  T0

731

2.49 (0.99)

779

2.49 (1.01)

  T1

677

2.39 (1.02)

687

2.35 (1.01)

Physical activity motivation: Controlled

  T0

739

1.35 (0.81)

786

1.31 (0.82)

  T1

681

1.35 (0.85)

692

1.37 (0.84)

Physical activity psychological need satisfaction: Autonomy

  T0

737

5.08 (1.39)

786

5.14 (1.37)

  T1

675

4.89 (1.32)

696

4.97 (1.35)

Physical activity psychological need satisfaction: Competence

  T0

743

4.49 (1.58)

786

4.38 (1.58)

  T1

678

4.31 (1.49)

690

4.12 (1.49)

Physical activity psychological need satisfaction: Relatedness

  T0

733

4.80 (1.74)

779

4.83 (1.75)

  T1

681

4.68 (1.75)

686

4.64 (1.71)

PA self-efficacy

  T0

734

1.38 (0.42)

786

1.40 (0.44)

  T1

675

1.29 (0.47)

684

1.31 (0.46)

Physical activity social support

  T0

741

1.46 (0.68)

781

1.41 (0.64)

  T1

679

1.33 (0.65)

691

1.25 (0.66)

Peer norms for physical activity: prevalence

  T0

744

1.48 (0.63)

787

1.47 (0.64)

  T1

681

1.35 (0.66)

697

1.38 (0.68)

Peer norms for physical activity: importance

  T0

745

1.44 (0.86)

790

1.49 (0.89)

  T1

681

1.34 (0.85)

693

1.30 (0.87)

Peer norms for physical activity: acceptance

  T0

745

1.22 (0.74)

789

1.21 (0.71)

  T1

676

1.11 (0.76)

695

1.09 (0.73)