Table 4 Adjusted* association between EBRBs and general and abdominal obesity stratified by sleep time among adolescents’ boys studied from HELENA-CSS and BRACAH study.

From: Skipping breakfast is associated with adiposity markers especially when sleep time is adequate in adolescents

 

Sleep time ≥ 8 h/Day

Sleep time < 8 h/day

n

HELENA

p

n

BRACAH

p

n

HELENA

p

n

BRACAH

p

coef β (95%CI)

coef β (95%CI)

coef β (95%CI)

coef β (95%CI)

BMI

Skip breakfast

712

1.29 (0.70; 1.88)

<0.001

189

1.69 (0.43; 2.94)

0.009

350

1.31 (0.47; 2.15)

0.002

141

0.95 (−0.28; 2.17)

0.130

Sedentary behaviour

712

−0.06 (−0.69; 0.57)

0.855

189

0.25 (−2.35; 2.86)

0.849

350

0.86 (−0.20; 1.93)

0.112

141

−1.35 (−4.62; 1.91)

0.416

Physical activity

712

−0.36 (−1.17; 0.45)

0.379

189

−0.66(− 1.96; 0.65)

0.323

350

−0.28 (−1.41; 0.86)

0.635

141

−0.04 (−1.28; 1.19)

0.944

Waist circumference

Skip breakfast

701

2.83 (1.35; 4.31)

<0.001

189

3.16 (−0.12; 6.45)

0.059

341

2.36 (0.56; 4.17)

0.010

141

2.43 (−0.84; 5.69)

0.146

Sedentary behaviour

701

−0.08 (−1.66; 1.49)

0.919

189

2.82 (−3.89; 9.54)

0.410

341

1.76 (−0.50; 4.03)

0.127

141

−2.35 (−11.03; 6.33)

0.596

Physical activity

701

−0.16 (−2.16; 1.83)

0.871

189

− 0.90 (−4.21; 2.41)

0.595

341

−1.04 (−3.48; 1.40)

0.404

141

−0.73 (−4.02; 2.55)

0.662

Waist to height

Skip breakfast

701

0.02 (0.01; 0.03)

<0.001

189

0.02 (0.00; 0.04)

0.020

341

0.02 (0.01; 0.03)

0.004

141

0.02 (−0.00; 0.04)

0.056

Sedentary behaviour

701

−0.00 (−0.01; 0.01)

0.892

189

0.01 (−0.03; 0.04)

0.698

341

0.01 (−0.01; 0.02)

0.264

141

−0.02 (−0.06; 0.03)

0.519

Physical activity

701

−0.00 (−0.01; 0.01)

0.949

   

341

−0.01 (−0.02; 0.01)

0.296

   
  1. Adjusted by potential confounders: center (only in HELENA−CSS), age and education mother. Significant associations are in bold.
  2. EBRBs: energy balance-related behaviours, BMI: body mass index, HELENA-CSS: Healthy Lifestyle in Europe by Nutrition in Adolescence cross-sectional study, BRACAH study: Brazilian Cardiovascular Adolescent Health study, CI: confidence interval, coef β: beta coefficient.