Table 3 Predictors of physical activity measured as average mean minutes of daily moderate to vigorous physical activity among adolescent girls, TREC IDEA and ECHO, 2006-2010

MVPA baseline

0.527

0.199

0.008

0.536

0.212

0.011

0.536

0.211

0.011

0.572

0.214

0.007

Study

4.263

2.898

0.141

3.610

2.683

0.179

3.751

2.750

0.173

4.550

2.843

0.110

White

0.719

2.750

0.794

1.282

3.114

0.681

1.032

3.056

0.736

0.524

2.739

0.848

College education

1.208

2.134

0.572

0.320

2.246

0.887

0.356

2.278

0.876

-0.485

2.122

0.819

Free/reduced lunch

1.877

3.383

0.579

2.361

3.607

0.513

2.577

3.563

0.469

2.380

3.911

0.543

Age of student

3.377

0.773

< .0001

3.232

0.745

< .0001

3.369

0.798

< .0001

3.751

0.808

< .0001

Puberty

-5.007

2.734

0.067

-4.967

2.623

0.058

-4.854

2.596

0.062

-5.709

2.596

0.028

% Body Fat

-0.050

0.129

0.697

-0.065

0.133

0.626

-0.071

0.134

0.598

-0.007

0.133

0.958

PA Self-efficacy

-0.155

0.208

0.456

-0.183

0.218

0.401

-0.293

0.213

0.169

PA enjoyment

-0.103

0.247

0.676

-0.094

0.246

0.702

-0.060

0.262

0.820

PA barriers

-0.332

0.168

0.048

-0.319

0.164

0.052

-0.315

0.160

0.049

Daily min screen time

-0.007

0.005

0.162

-0.006

0.005

0.192

-0.006

0.005

0.246

Sport team participation

-6.105

4.300

0.156

-6.222

4.560

0.172

-6.263

4.964

0.207

PA: Parent support

0.297

0.402

0.459

0.167

0.410

0.683

PA Peer support

-0.155

0.320

0.629

-0.145

0.319

0.650

PA equipment Availability & Access Summary Score

0.015

0.013

0.231

Safety concerns

0.247

0.513

0.630

Ease of mobility

0.021

0.416

0.959

Walkability Index

0.188

0.551

0.733