Table 2 Results of the MR study testing causing the association between risk factors and sleep apnea

Years of schooling

MR Egger

0.610

0.354

1.050

0.076

305

0.003

0.441

415.781

2.072E-05

Weighted median

0.747

0.621

0.898

0.002

Inverse variance weighted

0.750

0.653

0.862

4.938E-05

Simple mode

0.769

0.424

1.396

0.389

Weighted mode

0.709

0.436

1.153

0.166

College or university degree

MR Egger

0.485

0.142

1.662

0.251

180

0.001

0.821

229.690

0.006

Weighted median

0.632

0.433

0.923

0.018

Inverse variance weighted

0.558

0.423

0.735

3.443E-05

Simple mode

0.806

0.265

2.457

0.705

Weighted mode

0.664

0.237

1.863

0.438

Intelligence

MR Egger

0.624

0.311

1.255

0.188

142

0.007

0.342

197.281

0.001

Weighted median

0.806

0.672

0.965

0.019

Inverse variance weighted

0.871

0.760

0.999

0.048

Simple mode

0.710

0.400

1.260

0.244

Weighted mode

0.693

0.410

1.171

0.173

Income

MR Egger

1.108

0.302

4.068

0.878

45

-0.005

0.722

57.082

0.089

Weighted median

0.787

0.566

1.093

0.152

Inverse variance weighted

0.877

0.682

1.129

0.309

Simple mode

0.757

0.375

1.528

0.441

Weighted mode

0.769

0.390

1.515

0.452

Social deprivation

MR Egger

7.034

0.269

183.613

0.258

18

-0.018

0.423

19.436

0.304

Weighted median

1.834

0.920

3.654

0.085

Inverse variance weighted

1.821

1.075

3.085

0.026

Simple mode

1.649

0.486

5.597

0.433

Weighted mode

1.730

0.517

5.791

0.386

Attention-deficit hyperactivity disorder

MR Egger

0.857

0.571

1.285

0.480

9

0.020

0.316

6.816

0.557

Weighted median

1.056

0.919

1.213

0.446

Inverse variance weighted

1.064

0.958

1.181

0.246

Simple mode

1.091

0.879

1.355

0.452

Weighted mode

1.021

0.839

1.242

0.844

Bipolar disorder

MR Egger

0.836

0.483

1.446

0.535

13

0.019

0.464

7.115

0.850

Weighted median

1.099

0.978

1.235

0.111

Inverse variance weighted

1.030

0.942

1.127

0.512

Simple mode

1.130

0.926

1.379

0.253

Weighted mode

1.125

0.921

1.373

0.270

Major depressive disorder

MR Egger

1.220

0.575

2.591

0.608

33

-0.001

0.958

40.685

0.140

Weighted median

1.215

0.979

1.508

0.077

Inverse variance weighted

1.196

1.015

1.409

0.032

Simple mode

1.274

0.765

2.123

0.359

Weighted mode

1.228

0.740

2.038

0.433

Schizophrenia

MR Egger

0.994

0.867

1.140

0.929

207

-2.271E-04

0.956

217.592

0.276

Weighted median

1.014

0.967

1.064

0.559

Inverse variance weighted

0.990

0.957

1.025

0.568

Simple mode

1.053

0.901

1.231

0.516

Weighted mode

1.057

0.913

1.225

0.457