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Table 3 Risk factors and association with purging in school adolescents

From: Associations between sex differences, eating disorder behaviors, physical and mental health, and self-harm among Chinese adolescents

 

Male adolescents

Female adolescents

Odds ratio

Std. err

Z value

P value

[95% conf. interval]

Odds ratio

Std. err

Z value

P value

[95% conf. interval]

Sexual orientation (Heterosexual = 0)

Gay/Lesbian

0.842

0.251

 − 0.575

0.565

0.469–1.512

0.755

0.175

 − 1.214

0.225

0.480–1.189

Bisexual

1.095

0.203

0.490

0.624

0.762–1.573

0.928

0.151

 − 0.460

0.645

0.674–1.277

Reporting no sexual attraction

0.709*

0.101

 − 2.417

0.016

0.536–0.937

0.557***

0.086

 − 3.788

0.000

0.411–0.754

Age

0.975

0.042

 − 0.574

0.566

0.896–1.062

1.103*

0.047

2.305

0.021

1.015–1.199

Household registration residence (Urban = 0)

1.161

0.141

1.225

0.221

0.914–1.473

1.156

0.145

1.151

0.250

0.903–1.479

Being the only child (No = 0)

0.923

0.115

 − 0.642

0.521

0.724–1.178

1.066

0.142

0.476

0.634

0.820–1.384

Suicidal ideation (No = 0)

1.425*

0.246

2.051

0.040

1.016–2.000

1.246

0.202

1.359

0.174

0.907–1.711

Non-suicidal self-harm (No = 0)

1.368

0.246

1.748

0.080

0.963–1.945

1.513**

0.235

2.670

0.008

1.116–2.051

Perceived cognitive deficits

0.947

0.071

 − 0.728

0.467

0.816–1.097

1.085

0.087

1.008

0.313

0.926–1.270

Anxiety symptoms

1.201

0.165

1.331

0.183

0.917–1.572

1.251

0.163

1.721

0.085

0.969–1.615

Depression symptoms

1.308

0.197

1.786

0.074

0.974–1.757

1.372*

0.199

2.188

0.029

1.034–1.823

Poor self-rated health status

1.287***

0.091

3.558

0.000

1.120–1.479

1.410***

0.123

3.926

0.000

1.188–1.674

School bullying victim (No = 0)

1.271

0.226

1.352

0.176

0.898–1.801

1.268

0.267

1.126

0.260

0.839–1.917

School bullying perpetrator (No = 0)

1.110

0.155

0.746

0.456

0.844–1.460

1.565**

0.254

2.763

0.006

1.139–2.150

Constant

0.037***

0.025

 − 4.986

0.000

0.010–0.136

0.004***

0.002

 − 8.590

0.000

0.001–0.013

Observations

  

5416

    

4758

  

DF

  

14

    

14

  

Chi2

  

117.1

    

232.4

  

Log likelihood

  

 − 1138

    

 − 1019

  
  1. ***p < 0.001, **p < 0.01, *p < 0.05