Univariate | Multivariate | |||||
Model 1* | Model 2† | |||||
β (SE) | p Value | β (SE) | p Value | β (SE) | p Value | |
Male gender | 2.10 (1.44) | 0.153 | 4.69 (1.29) | <0.001 | 2.60 (1.18) | 0.033 |
Baseline characteristics | ||||||
Age | −0.64 (0.39) | 0.106 | −0.92 (0.34) | 0.009 | −0.01 (0.36) | 0.987 |
BMI | 0.26 (0.18) | 0.174 | ||||
BMI z-score | 1.33 (0.66) | 0.048 | 0.97 (0.55) | 0.084 | ||
Waist | 0.03 (0.06) | 0.643 | ||||
Waist z-score | 0.81 (0.63) | 0.206 | ||||
OAHI | 0.76 (0.65) | 0.248 | ||||
Large tonsils | 3.75 (1.33) | 0.007 | 4.36 (1.24) | 0.001 | ||
Habitual snoring | 2.85 (1.38) | 0.045 | 0.92 (1.21) | 0.453 | ||
Changes over 2 years | ||||||
BMI | 0.51 (0.45) | 0.261 | ||||
BMI z-score | 0.44 (1.50) | 0.769 | ||||
Waist | 0.41 (0.09) | <0.001 | 0.30 (0.09) | 0.002 | ||
Waist z-score | 2.48 (1.09) | 0.028 | ||||
Persistent large tonsils | 6.26 (1.51) | <0.001 | 5.69 (1.36) | <0.001 |
*Adjusted for baseline characteristics including age, gender, body mass index z-score, presence of large tonsils and habitual snoring.
†Adjusted for age at baseline, gender, change in waist circumference and presence of persistent large tonsils.
BMI, body mass index; OAHI, obstructive apnoea hypopnoea index; waist, waist circumference.