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Table 4 Association between sedentary behaviour and socioeconomic factors, diet and lifestyle among Balearic Islands adolescents

From: Association between sedentary behaviour and socioeconomic factors, diet and lifestyle among the Balearic Islands adolescents

Variable Boys Girls
  Sedentary adolescents (%) Adjusted OR (95% CI) Sedentary adolescents Adjusted OR
Age group     
 12-13 years old 17.6 0.70 (0.39-1.23) 41.1 0.61 (0.40-0.95)*
 14-15 years old 23.2 0.90 (0.58-1.41) 51.9 0.91 (0.64-1.29)
 16-17 years old 24.0 1.00 (ref.) 57.3 1.00 (ref.)
Parental education level
 Low 22.9 0.85 (0.50-1.44) 56.1 1.18 (0.76-1.82)
 Medium 21.4 1.21 (0.72-2.02) 51.0 1.18 (0.78-1.78)
 High 20.2 1.00 (ref.) 43.5 1.00 (ref.)
Parental profession level  
 Low 21.7 0.73 (0.37-1.42) 56.8 1.23 (0.74-2.06)
 Medium 22.4 0.94 (0.53-1.69) 46.9 1.06 (0.67-1.69)
 High 20.5 1.00 (ref.) 43.6 1.00 (ref.)
Body composition
 Not at risk 19.1 0.61 (0.28-1.36) 51.6 2.06 (1.03-4.13)*
 Overweight 30.9 0.96 (0.45-2.04) 59.8 2.91 (1.29-6.57)*
 Obesity 37.5 1.00 (ref.) 37.0 1.00 (ref.)
Sleep
 <7 h/d 26.2 0.97 (0.49-1.92) 50.0 0.88 (0.53-1.48)
 ≥7 h/d 21.6 1.00 (ref.) 50.8 1.00 (ref.)
Media-screen time     
 <2 h/d 19.0 0.83 (0.47-1.48) 36.8 0.64 (0.42-0.99)*
 2-4 h/d 20.9 0.92 (0.60-1.42) 50.1 0.94 (0.67-1.31)*
 ≥4 h/d 23.6 1.00 (ref.) 58.7 1.00 (ref.)
Homework time
 <1 h/d 28.1 1.67 (0.83-3.37) 45.5 0.46 (0.25-0.86)*
 1-3 h/d 20.3 1.12 (0.62-2.02) 48.8 0.66 (0.47-0.94)*
 ≥3 h/d 22.5 1.00 (ref.) 57.1 1.00 (ref.)
Number of daily meals & snacks
 ≤3 25.5 0.77 (0.46-1.28) 50.9 1.08 (0.73-1.61)
 4 20.6 0.70 (0.44-1.12) 52.7 1.14 (0.77-1.70)
 ≥5 20.2 1.00 (ref.) 48.2 1.00 (ref.)
KIDMED index     
 Poor –quality diet 25.5 1.77 (1.08-2.91)* 67.3 3.08 (1.83-5.17)***
 Average –quality diet 24.5 0.97 (0.58-1.63) 52.2 1.57 (1.10-2.23)*
 Good –quality diet 17.8 1.00 (ref.) 39.2 1.00 (ref.)
Desire for weight change
 To be thinner 31.3 0.23 (0.07-1.24) 50.7 0.77 (0.40-1.45)
 To remain the same weight 13.0 0.47 (0.28-0.79)** 50.1 0.80 (0.42-1.52)
 To be thicker 23.0 1.00 (ref.) 53.7 1.00 (ref.)
  1. Abbreviations: OR odds ratio, CI, confidence interval, ref reference, KIDMED, Mediterranean Diet Quality Index; Adjusted OR: Multivariate analysis (multiple logistic regression analysis considering the simultaneous effect of all explanatory variables: age, parental education level, and parental profession level, body composition, number of daily meals and snacks, desire for weight change, and energy intake).*p < 0.05; **p < 0.01; ***p < 0.001.