parameter Estimates

Standard error

Wald

P value

95% Confident Interval

Lower

Upper

Stages of readiness to lose weight

Pre-contemplation

−5.598

0.791

50.095

<0.001

−7.148

−4.048

Contemplation

−1.370

0.269

25.985

<0.001

−1.896

−0.843

Preparation

−0.713

0.255

7.808

0.005

−1.213

−0.213

Action

2.026

0.358

32.097

<0.001

1.325

2.726

Gender

Male

0.108

0.139

0.603

0.438

−0.165

0.381

Female

0a

.

.

.

.

.

Age

13 - 15 years old

0.134

0.140

0.925

0.336

−0.139

0.408

16 - 19 years old

0a

.

.

.

.

.

Obesity among family members

Yes

0.143

0.156

0.840

0.359

−0.163

0.449

No

0a

.

.

.

.

Junk foods at school canteen

Yes

−0.498

0.179

7.735

0.005*

−0.848

−0.147

No

0a

.

.

.

.

.

TV viewing time

≤2 hours/day

0.432

0.136

10.085

0.001*

0.165

0.699

>2 hours/day

0a

.

.

.

.

.

Activity physical mean score

Low

−0.597

0.158

14.363

<0.001*

−0.906

−0.288

High

0a

.

.

.

.

.

Family support in physical activity

Low

−0.150

0.152

0.978

0.323

−0.449

0.148

High

0a

.

.

.

.

.

Peer support in physical activity

Low

−0.235

0.153

2.350

0.125

−0.536

0.065

High

0a

.

.

.

.

.

Family encouragement in healthy eating

Low

−0.373

0.145

6.621

0.010*

−0.657

−0.089

High

0a

.

.

.

.

.

Peer encouragement in healthy eating

Low

−0.101

0.144

0.493

0.483

−0.382

0.181

High

0a

.

.

.

.

.