Table 3 Subgroup analysis of the relationship between “watching Mukbang and Cookbang” and body mass index status

Boys (N = 25,749)

Sweetened beverages

Non-drinker

1.000

1.066

0.694

-

1.635

1.143

0.796

-

1.643

1.224

0.897

-

1.671

Low

1.000

0.920

0.744

-

1.138

1.343

1.123

-

1.608

1.136

0.975

-

1.325

Middle

1.000

0.732

0.611

-

0.876

1.163

0.998

-

1.355

1.235

1.080

-

1.413

High

1.000

1.003

0.826

-

1.219

0.943

0.787

-

1.131

1.319

1.140

-

1.525

Fast-food

Low

1.000

0.906

0.799

-

1.028

1.145

1.024

-

1.281

1.190

1.085

-

1.306

High

1.000

0.833

0.686

-

1.012

1.148

0.933

-

1.412

1.319

1.115

-

1.560

Alcohol status

Non-drinker

1.000

0.860

0.752

-

0.983

1.139

1.017

-

1.275

1.211

1.097

-

1.338

Past drinker

1.000

0.917

0.756

-

1.113

1.139

0.960

-

1.352

1.208

1.048

-

1.391

Current drinker

1.000

2.116

0.918

-

4.875

1.634

0.691

-

3.864

2.020

1.101

-

3.705

Smoking status

Non-smoker

1.000

0.878

0.778

-

0.991

1.125

1.016

-

1.246

1.214

1.119

-

1.317

Current smoker

1.000

0.999

0.689

-

1.448

1.334

1.005

-

1.769

1.253

0.973

-

1.613

Academic achievement

High

1.000

0.816

0.691

-

0.962

1.124

0.971

-

1.301

1.375

1.194

-

1.584

Middle

1.000

0.990

0.804

-

1.220

1.195

0.991

-

1.440

1.144

0.987

-

1.325

Low

1.000

0.912

0.744

-

1.118

1.139

0.963

-

1.347

1.149

1.002

-

1.317

Perceived stress level

Low

1.000

1.070

0.850

-

1.347

1.124

0.907

-

1.393

1.178

0.988

-

1.404

Middle

1.000

0.831

0.701

-

0.985

1.126

0.975

-

1.301

1.129

1.003

-

1.270

High

1.000

0.856

0.719

-

1.019

1.172

0.999

-

1.374

1.362

1.202

-

1.544

Girls (N = 24,704)

Sweetened beverages

Non-drinker

1.000

0.956

0.640

-

1.429

0.670

0.447

-

1.005

0.771

0.523

-

1.138

Low

1.000

0.850

0.698

-

1.034

1.216

0.972

-

1.521

1.199

0.977

-

1.470

Middle

1.000

0.996

0.802

-

1.237

1.124

0.882

-

1.431

1.311

1.048

-

1.640

High

1.000

0.776

0.634

-

0.951

0.907

0.676

-

1.216

0.851

0.661

-

1.096

Fast-food

Low

1.000

0.863

0.760

-

0.981

1.072

0.934

-

1.229

1.075

0.942

-

1.227

High

1.000

0.945

0.741

-

1.205

1.012

0.741

-

1.380

1.118

0.834

-

1.499

Alcohol status

Non-drinker

1.000

0.940

0.826

-

1.070

1.073

0.917

-

1.256

1.010

0.866

-

1.177

Past drinker

1.000

0.730

0.575

-

0.926

0.966

0.761

-

1.226

1.292

1.000

-

1.668

Current drinker

1.000

0.596

0.186

-

1.906

2.909

0.785

-

10.781

1.134

0.281

-

4.574

Smoking status

Non-smoker

1.000

0.896

0.795

-

1.010

1.053

0.923

-

1.202

1.073

0.942

-

1.223

Current smoker

1.000

0.601

0.380

-

0.950

1.130

0.629

-

2.032

1.433

0.798

-

2.575

Academic achievement

High

1.000

0.915

0.775

-

1.079

1.215

0.972

-

1.518

1.279

1.018

-

1.607

Middle

1.000

0.810

0.653

-

1.006

1.059

0.855

-

1.311

0.983

0.787

-

1.228

Low

1.000

0.894

0.731

-

1.093

0.889

0.712

-

1.111

1.004

0.824

-

1.223

Perceived stress level

Low

1.000

0.971

0.741

-

1.273

1.114

0.787

-

1.576

0.971

0.709

-

1.330

Middle

1.000

0.853

0.721

-

1.008

0.997

0.813

-

1.224

1.141

0.931

-

1.400

High

1.000

0.877

0.740

-

1.039

1.099

0.909

-

1.328

1.086

0.901

-

1.308