Table 3 Unadjusted and adjusted logistic regression analysis of sleep quality and sleep duration associated with overweight/obesity among total sample and by sex and age

Univariable model 1

Sleep Quality Score

1.02 (0.98 to 1.05)

0.351

0.99 (0.94 to 1.04)

0.621

1.07 (1.02 to 1.13)

0.010

1.03 (0.99 to 1.07)

0.190

1.00 (0.94 to 1.07)

0.921

Sleep Duration

 Very short sleep duration

1.21 (0.80 to 1.82)

0.372

1.15 (0.66 to 1.99)

0.626

1.40 (0.74 to 2.65)

0.297

1.53 (0.90 to 2.62)

0.120

1.14 (0.56 to 2.63)

0.721

Short sleep duration

1.12 (0.92 to 1.37)

0.255

1.08 (0.83 to 1.40)

0.564

1.32 (0.96 to 1.81)

0.089

1.16 (0.93 to 1.45)

0.190

1.24 (0.77 to 1.99)

0.377

 Recommended sleep duration^a

1

1

1

1

1

Multivariate model 2

Age

0.91 (0.86 to 0.96)

0.001

0.86 (0.80 to 0.93)

 < 0.001

0.98 (0.89 to 1.07)

0.626

0.91 (0.83 to 0.99)

0.033

0.82 (0.60 to 1.12)

0.201

Sex

 Boys

2.18 (1.79 to 2.66)

 < 0.001

\

\

2.51 (2.00 to 3.15)

 < 0.001

1.34 (0.88 to 2.04)

0.180

 Girls ^a

1

1

\

\

1

1

Father Education

 Less than high school

1.29 (0.74 to 2.26)

0.365

1.72 (0.82 to 3.60)

0.152

0.90 (0.38 to 2.14)

0.803

1.27 (0.69 to 2.35)

0.444

1.97 (0.45 to 8.53)

0.366

 High school

1.57 (0.97 to 2.54)

0.068

1.95 (1.00 to 3.78)

0.05

1.20 (0.59 to 2.44)

0.626

1.64 (0.96 to 2.80)

0.070

1.14 (0.34 to 3.81)

0.835

 Bachelor’s degree

1.24 (0.81 to 1.90)

0.319

1.45 (0.81 to 2.59)

0.215

1.05 (0.56 to 1.96)

0.891

1.26 (0.79 to 2.00)

0.328

1.03 (0.34 to 3.14)

0.964

Master’ degree ^a

1

1

1

1

1

1

Mother Education

 Less than high school

0.95 (0.55 to 1.63)

0.839

0.71 (0.34 to 1.48)

0.358

1.50 (0.67 to 3.38)

0.326

0.89 (0.48 to 1.64)

0.710

1.28 (0.35 to 4.75)

0.708

 High school

0.76 (0.46 to 1.26)

0.293

0.72 (0.36 to 1.43)

0.342

0.86 (0.42 to 1.79)

0.691

0.73 (0.42 to 1.27)

0.263

0.93 (0.28 to 3.08)

0.904

 Bachelor’s degree

0.79 (0.52 to 1.22)

0.289

1.02 (0.57 to 1.82)

0.955

0.58 (0.31 to 1.10)

0.093

0.84 (0.53 to 1.34)

0.469

0.70 (0.23 to 2.08)

0.519

 Master’ degree ^a

1

1

1

1

1

1

MVPA

1.00 (1.00 to 1.00)

0.037

1.00 (1.00 to 1.00)

0.005

1.00 (1.00 to 1.00)

0.743

1.00 (1.00 to 1.00)

0.135

1.00 (0.99 to 1.00)

0.188

Sedentary Behavior

1.00 (1.00 to 1.00)

0.928

1.00 (1.00 to 1.00)

0.705

1.00 (1.00 to 1.00)

0.619

1.00 (1.00 to 1.00)

0.784

1.00 (1.00 to 1.00)

0.529

Sleep Quality Score

1.03 (0.99 to 1.07)

0.146

0.99 (0.94 to 1.04)

0.595

1.08 (1.02 to 1.14)

0.009

1.03 (0.99 to 1.07)

0.196

1.01 (0.94 to 1.09)

0.781

Age

0.89 (0.84 to 0.95)

 < 0.001

0.85 (0.78 to 0.91)

 < 0.001

0.97 (0.88 to 1.06)

0.468

0.88 (0.80 to 0.97)

0.007

0.83 (0.61 to 1.14)

0.245

Sex

 Boys

2.20 (1.80 to 2.69)

 < 0.001

\

\

2.54 (2.02 to 3.20)

 < 0.001

1.34 (0.88 to 2.04)

0.168

 Girls ^a

1

\

\

1

1

Father Education

 Less than high school

1.30 (0.74 to 2.27)

0.365

1.67 (0.80 to 3.49)

0.176

0.96 (0.40 to 2.31)

0.93

1.26 (0.68 to 2.33)

0.466

1.99 (0.46 to 8.60)

0.358

 High school

1.57 (0.97 to 2.54)

0.07

1.90 (0.98 to 3.68)

0.059

1.22 (0.60 to 2.51)

0.583

1.62 (0.95 to 2.77)

0.079

1.16 (0.35 to 3.90)

0.811

 Bachelor’s degree

1.24 (0.81 to 1.89)

0.328

1.43 (0.80 to 2.56)

0.224

1.03 (0.55 to 1.95)

0.919

1.25 (0.79 to 1.99)

0.341

1.05 (0.34 to 3.21)

0.933

 Master’ degree ^a

1

1

1

1

1

Mother Education

 Less than high school

0.96 (0.56 to 1.67)

0.893

0.73 (0.35 to 1.54)

0.411

1.43 (0.63 to 3.25)

0.387

0.93 (0.50 to 1.71)

0.807

1.25 (0.34 to 4.64)

0.738

 High school

0.78 (0.47 to 1.28)

0.325

0.74 (0.37 to 1.47)

0.388

0.84 (0.41 to 1.76)

0.651

0.76 (0.43 to 1.33)

0.328

1.90 (0.27 to 3.00)

0.862

 Bachelor’s degree

0.79 (0.51 to 1.21)

0.277

1.03 (0.58 to 1.84)

0.927

0.57 (0.30 to 1.07)

0.082

0.84 (0.53 to 1.35)

0.476

0.68 (0.23 to 2.04)

0.495

Master’ degree ^a

1

1

1

1

1

MVPA

1.00 (1.00 to 1.00)

0.037

1.00 (1.00 to 1.00)

0.006

1.00 (1.00 to 1.00)

0.741

1.00 (1.00 to 1.00)

0.135

1.00 (0.99 to 1.00)

0.177

Sedentary Behavior

1.00 (1.00 to 1.00)

0.867

1.00 (1.00 to 1.00)

0.568

1.00 (1.00 to 1.00)

0.382

1.00 (1.00 to 1.00)

0.738

1.00 (1.00 to 1.00)

0.649

Sleep Duration

 Very short sleep duration

1.49 (0.97 to 2.29)

0.071

1.39 (0.78 to 2.46)

0.261

1.53 (0.78 to 3.01)

0.217

1.68 (0.96 to 2.93)

0.071

1.15 (0.55 to 2.41)

0.710

 Short sleep duration

1.34 (1.08 to 1.66)

0.008

1.25 (0.94 to 1.64)

0.123

1.51 (1.06 to 2.13)

0.021

1.34 (1.05 to 1.71)

0.019

1.22 (0.75 to 1.98)

0.433

 Recommended sleep duration ^a

1

1

1

1

1

Multivariate logistic regression model 3

Age

0.89 (0.84 to 0.95)

 < 0.001

0.84 (0.78 to 0.91)

 < 0.001

0.96 (0.87 to 1.05)

0.345

0.88 (0.80 to 0.97)

0.007

0.83 (0.60 to 1.14)

0.242

Sex

 Boys

2.21 (1.81 to 2.69)

 < 0.001

\

\

2.54 (2.02 to 3.20)

 < 0.001

1.35 (1.88 to 2.06)

0.166

 Girls ^a

1

\

\

1

1

Father Education

 Less than high school

1.29 (0.74 to 2.26)

0.375

1.69 (0.81 to 3.56)

0.165

0.92 (0.38 to 2.21)

0.847

1.26 (0.68 to 2.32)

0.47

1.97 (0.45 to 8.55)

0.365

 High school

1.56 (0.96 to 2.53)

0.071

1.92 (0.99 to 3.74)

0.055

1.21 (0.59 to 2.47)

0.608

1.62 (0.95 to 2.77)

0.079

1.15 (0.34 to 3.88)

0.818

 Bachelor’s degree

1.23 (0.81 to 1.89)

0.333

1.45 (0.81 to 2.60)

0.212

1.03 (0.55 to 1.94)

0.924

1.25 (0.79 to 1.99)

0.346

1.05 (0.34 to 3.20)

0.937

 Master’ degree ^a

1

1

1

1

1

Mother Education

 Less than high school

0.96 (0.56 to 1.66)

0.887

0.74 (0.35 to 1.55)

0.424

1.47 (0.65 to 3.32)

0.358

0.92 (0.50 to 1.71)

0.8

1.25 (0.34 to 4.64)

0.737

 High school

0.78 (0.47 to 1.29)

0.326

0.74 (0.37 to 1.47)

0.387

0.86 (0.41 to 1.78)

0.678

0.76 (0.43 to 1.32)

0.327

0.90 (0.27 to 2.99)

0.862

 Bachelor’s degree

0.78 (0.52 to 1.21)

0.284

1.02 (0.57 to 1.82)

0.96

0.57 (0.30 to 1.08)

0.087

0.85 (0.53 to 1.35)

0.483

0.68 (0.23 to 2.04)

0.494

 Master’ degree ^a

1

1

1

1

1

MVPA

1.00 (1.00 to 1.00)

0.041

1.00 (1.00 to 1.00)

0.005

1.00 (1.00 to 1.00)

0.647

1.00 (1.00 to 1.00)

0.141

1.00 (1.00 to 1.00)

0.188

Sedentary Behavior

1.00 (1.00 to 1.00)

0.946

1.00 (1.00 to 1.00)

0.703

1.00 (1.00 to 1.00)

0.587

1.00 (1.00 to 1.00)

0.786

1.00 (1.00 to 1.00)

0.528

Sleep Quality Score

1.01 (0.97 to 1.06)

0.533

0.97 (0.92 to 1.02)

0.247

1.07 (1.01 to 1.14)

0.028

1.01 (0.96 to 1.06)

0.677

1.01 (0.93 to 1.09)

0.884

Sleep Duration

 Very short sleep duration

1.40 (0.87 to 2.25)

0.167

1.61 (0.86 to 3.02)

0.134

1.07 (0.50 to 2.26)

0.870

1.59 (0.87 to 2.93)

0.295

1.12 (0.48 to 2.59)

0.195

 Short sleep duration

1.32 (1.06 to 1.64)

0.013

1.28 (0.97 to 1.70)

0.084

1.38 (0.97 to 1.98)

0.075

1.33 (1.03 to 1.70)

0.027

1.21 (0.73 to 1.99)

0.463

 Recommended sleep duration ^a

1

1

1

1

1