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Table 2 Regression analysis between sleep duration, age, gender, and skin color/ethnicity with cardiometabolic risk in adolescents

From: Relationship between sleep duration and TV time with cardiometabolic risk in adolescents

 

β

Cardiometabolic risk

CI (95%)

Model 1 (AIC, 7381.388; BIC, 7433.909)

Sleep duration

  Adequate

1

 

  Short time

0.422

(0.012; 0.833)

  Long time

0.906

(0.098; 1.715)

 Age

− 0.059

(− 0.147; 0.029)

Gender

  Male

1

 

  Female

0.102

(− 0.245; 0.449)

Skin color/ethnicity

  White

1

 

  Black

− 0.990

(− 1.673; − 0.307)

  Brown/mulatto

− 0.419

(− 0.945; 0.107)

  Indigenous

1.067

(− 0.982; 3.116)

  Yellow

− 1.029

(− 3.186; 1.128)

Model 2 (AIC, 7383.571; BIC, 7446.596)

Sleep duration

  Adequate

1

 

  Short time

2.283

(− 0.486; 5.053)

  Long time

0.729

(− 4.842; 6.300)

 Age

− 0.028

(− 0.130; 0.075)

Sleep duration × age

  Adequate × age

1

 

  Short time × age

− 0.145

(− 0.357; 0.068)

  Long time × age

0.014

(− 0.422; 0.450)

Model 3 (AIC, 7383.749; BIC, 7446.773)

Sleep duration

  Adequate

1

 

  Short time

0.293

(− 0.309; 0.895)

  Long time

0.292

(− 0.988; 1.573)

Gender

  Male

1

 

  Female

− 0.002

(− 0.412; 0.408)

Sleep duration × gender

  Adequate × gender (ref. male)

1

 

  Short time × gender

0.236

(− 0.586; 1.058)

  Long time × gender

1.021

(− 0.630; 2.671)

Model 4 (AIC, 7392.218; BIC, 7486.755)

Sleep duration

  Adequate

1

 

  Short time

0.525

(0.062; 0.988)

  Long time

1.103

(0.139; 2.068)

Skin color/ethnicity

  White

1

 

  Black

− 0.861

(− 1.708; − 0.014)

  Brown/mulatto

− 0.300

(− 0.932; 0.331)

  Indigenous

1.823

(− 0.621; 4.267)

  Yellow

− 0.281

(− 2.915; 2.354)

Sleep duration × Skin color/ethnicity

  Adequate × white

1

 

  Short time × black

− 0.260

(− 1.813;1.293)

  Short time × brown/mulatto

− 0.514

(− 1.739; 0.712)

  Short time × indigenous

− 2.339

(− 7.522; 2.844)

  Short time × yellow

− 0.401

(− 5.674; 4.872)

  Long time × black

− 0.845

(− 3.447; 1.757)

  Long time × brown/mulatto

0.064

(− 2.179; 2.308)

  Long time × indigenous

− 2.982

(− 9.927; 3.963)

  Long time × yellow

− 6.057

(− 13.070; 0.956)

  1. CI confidence interval, AIC Akaike information criterion, BIC Bayesian information criterion, β linear regression