Table 6 Association between weight status and health-related factors

Normal BP

1

0.437

0.366-0.522

<0.001^*

0.206

0.157-0.269

<0.001^*

Sleep duration ≥7.5 h

1

1.065

0.77-1.472

0.704

0.475

0.31-0.728

0.001^*

Physical activity >3 times/week

1

1.098

0.927-1.3

0.28

1.12

0.872-1.438

0.375

Watching TV ≥3 h/day

1

0.93

0.747-1.159

0.521

1.191

0.881-1.611

0.256

Playing video games and using computers ≥3 h/day

1

0.963

0.685-1.353

0.828

0.699

0.399-1.224

0.211

Walking to school

1

0.996

0.842-1.18

0.966

0.852

0.664-1.094

0.21

Nonsmoking

1

0.915

0.721-1.161

0.463

0.774

0.556-1.076

0.127

No alcohol use

1

0.996

0.791-1.253

0.97

0.921

0.664-1.275

0.619

Never or occasionally have snacks

1

1.074

0.904-1.276

0.418

1.348

1.039-1.748

0.025^*

Breakfast every day

1

0.945

0.785-1.138

0.552

0.879

0.669-1.156

0.357

Fresh fruit ≥4 days/week

1

1.202

0.991-1.457

0.061

0.831

0.637-1.084

0.172

Vegetables ≥4 days/week

1

1.145

0.918-1.428

0.229

1.099

0.798-1.153

0.564

Milk ≥4 days/week

1

0.886

0.748-1.05

0.162

0.823

0.64-1.059

0.13

Fizzy drinks ≥4 days/week

1

0.983

0.758-1.274

0.894

0.802

0.528-1.216

0.298

Fastfood ≥4 days/week

1

0.941

0.626-1.413

0.768

0.919

0.501-1.686

0.784

Family income ≥2000 CNY/month

1

1.045

0.856-1.275

0.666

1.442

1.045-1.99

0.026^*

Family size ≤3

1

1.26

1.06-1.497

0.009^*

1.144

0.886-1.477

0.302

Education of both parents above high school

1

0.943

0.641-1.385

0.764

0.774

0.422-1.418

0.406

Smoking mother

1

0.776

0.538-1.121

0.177

1.049

0.641-1.714

0.85

Smoking father

1

1.124

0.949-1.332

0.176

1.205

0.937-1.55

0.146

Unemployed mother

1

0.904

0.721-1.132

0.379

0.995

0.72-1.376

0.978

Unemployed father

1

0.963

0.71-1.307

0.81

0.954

0.609-1.495

0.837