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Table 5 Objectively measured activity variables at follow-up between participants randomised to usual practice (control) or to the Girls Active programme (intervention)a

From: Effectiveness of the ‘Girls Active’ school-based physical activity programme: A cluster randomised controlled trial

 

Number of schools | pupils

Adjusted difference at follow-upb

Control

Intervention

Coefficient (95% C.I.)

P value

ICC

MVPA (mins/day)

School days

 Baseline

10 | 854

10 | 850

   

 7 months

8 | 602

10 | 746

1.84 (-0.52 to 4.20)

0.126

0.02

 14 months

9 | 578

10 | 693

1.79 (-1.27 to 4.85)

0.251

0.02

Weekend

 Baseline

10 | 828

10 | 827

   

 7 months

8 | 561

10 | 702

2.78 (-2.37 to 7.92)

0.290

0.04

 14 months

9 | 503

10 | 637

0.99 (-3.54 to 5.51)

0.669

0.02

During school hours

 Baseline

10 | 855

10 | 850

   

 7 months

8 | 602

10 | 746

0.73 (-0.84 to 2.30)

0.360

0.05

 14 months

9 | 578

10 | 693

0.84 (-0.50 to 2.18)

0.218

0.02

After-school hours

 Baseline

10 | 855

10 | 850

   

 7 months

8 | 602

10 | 746

0.51 (-0.79 to 1.78)

0.443

0.02

 14 months

9 | 578

10 | 693

0.39 (-1.61 to 2.39)

0.701

0.03

Average acceleration (ENMO; mg/day)

All days

 Baseline

10 | 858

10 | 850

   

 7 months

8 | 602

10 | 747

1.39 (0.09 to 2.18)

0.033

0.03

 14 months

9 | 578

10 | 694

0.66 (-0.62 to 1.95)

0.314

0.02

School days

 Baseline

10 | 854

10 | 850

   

 7 months

8 | 602

10 | 747

0.89 (-0.18 to 1.95)

0.102

0.03

 14 months

9 | 578

10 | 693

0.46 (-0.91 to 2.02)

0.460

0.03

Weekend

 Baseline

10 | 828

10 | 827

   

 7 months

8 | 559

10 | 702

1.39 (-1.13 to 3.92)

0.280

0.05

 14 months

9 | 503

10 | 637

0.51 (-1.49 to 2.51)

0.619

0.02

Sedentary time (mins/day)

All days

 Baseline

10 | 848

10 | 846

   

 7 months

8 | 588

10 | 732

-5.76 (-12.90 to 1.38)

0.114

0.01

 14 months

9 | 565

10 | 680

-2.64 (-13.03 to 7.75)

0.618

0.01

School days

 Baseline

10 |840

10 | 844

   

 7 months

8 | 586

10 | 726

-4.17 (-10.74 to 2.40)

0.213

0.01

 14 months

9 | 559

10 | 676

-0.08 (-12.72 to 12.55)

0.990

0.02

Weekends

 Baseline

10 | 815

10 | 806

   

 7 months

8 | 553

10 | 680

-9.73 (-27.41 to 7.95)

0.281

0.02

 14 months

9 | 485

10 | 619

-10.27 (-20.63 to 0.10)

0.052

< 0.001

During school hours

 Baseline

10 | 855

10 | 850

   

 7 months

8 | 602

10 | 746

3.83 (-4.13 to 11.78)

0.356

0.08

 14 months

9 | 578

10 | 693

2.49 (-4.84 to 9.81)

0.506

0.06

After-school hours

 Baseline

10 | 855

10 | 850

   

 7 months

8 | 602

10 | 746

-4.72 (-8.89 to -0.56)

0.026

0.02

 14 months

9 | 578

10 | 693

-1.38 (-6.68 to 3.92)

0.610

0.02

Time spent in light PA (mins/day)

All days

 Baseline

10 | 858

10 | 850

   

 7 months

8 | 602

10 | 747

5.71 (0.96 to 10.46)

0.018

0.01

 14 months

9 | 578

10 | 694

1.50 (-5.93 to 8.94)

0.692

0.01

School days

 Baseline

10 | 854

10 | 850

   

 7 months

8 | 602

10 | 746

4.50 (0.25 to 8.75)

0.038

< 0.01

 14 months

9 | 578

10 | 694

0.30 (-8.49 to 9.09)

0.947

0.03

Weekends

 Baseline

10 | 828

10 | 827

   

 7 months

8 | 561

10 | 702

8.85 (-5.52 to 23.22)

0.227

0.05

 14 months

9 | 503

10 | 637

3.21 (-6.90 to 13.32)

0.534

0.001

During school hours

 Baseline

10 | 855

10 | 850

   

 7 months

8 | 602

10 | 746

5.38 (-10.01 to 20.77)

0.493

0.65

 14 months

9 | 578

10 | 693

4.08 (-7.55 to 15.72)

0.492

0.54

After-school hours

 Baseline

10 | 855

10 | 850

   

 7 months

8 | 602

10 | 746

1.70 (-1.30 to 4.69)

0.268

0.01

 14 months

9 | 578

10 | 693

0.07 (-4.70 to 4.85)

0.976

0.03

Proportion achieving 60 mins/day of MVPA

All days

 Baseline

10 | 857

10 | 849

   

 7 months

8 | 594

10 | 742

0.78 (0.23 to 2.65)

0.688

< 0.001

 14 months

9 | 573

10 | 686

0.65 (0.23 to 1.85)

0.420

0.01

  1. CI confidence interval; ICC intra-class correlation; PA physical activity; MVPA moderate- to vigorous-intensity physical activity
  2. aBased on a complete case analysis
  3. bAdjusted difference at follow-up between randomised groups with 95% confidence interval, P value, and ICC for schools; adjusted for cluster effect, baseline value, participant year group, school %free school meal eligibility and stratification categories (school size and percentage of non-White pupils)
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International Journal of Behavioral Nutrition and Physical Activity

ISSN: 1479-5868

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