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Table 3 a) Associations of obesity with RTIs and b) with long lasting RTIs

From: Obesity and risk of respiratory tract infections: results of an infection-diary based cohort study

a)
  Prevalence (%)   (Obese vs non-obese) (Obese vs non-obese)
Outcome indicators BMI < 25 (N = 816) Overweight (N = 452) Obese (N = 187) Crude OR 95% CI Adjusteda OR 95% CI
Monthly level:
 Any RTI 33.2 39.0 43.5 1.48 (1.18; 1.85) 1.49 (1.18; 1.87)
 Any URTI 28.9 33.6 38.4 1.48 (1.17; 1.87) 1.55 (1.22; 1.96)
 Any LRTI 6.0 9.8 12.1 2.54 (1.69; 3.80) 2.02 (1.36; 3.00)
 Sinusitis 5.7 7.9 10.6 1.99 (1.29; 3.08) 2.12 (1.36; 3.31)
 Rhinitis 24.2 28.4 32.8 1.43 (1.13; 1.80) 1.53 (1.21; 1.94)
 Otitis media 0.68 1.18 1.49 2.22 (0.90; 5.47) 2.31 (0.95; 5.63)
 Pharyngitis/Laryngitis 9.3 11.3 13.5 1.69 (1.23; 2.33) 1.70 (1.23; 2.36)
 Tonsillitis 1.7 2.3 2.1 1.36 (0.67; 2.79) 1.56 (0.77; 3.16)
 Influenza-like illness 9.8 12.7 15.2 1.58 (1.23; 2.03) 1.58 (1.23; 2.03)
 Bronchitis 5.9 9.8 11.7 2.38 (1.58; 3.59) 1.89 (1.26; 2.83)
 Pneumonia 0.19 0.13 0.45 6.06 (1.35;27.21) 6.01 (1.30;27.90)
 Other acute resp. infections 2.1 2.9 2.0 0.80 (0.41; 1.57) 0.73 (0.37; 1.43)
  ≥ 3 RTIs 6.8 10.2 12.8 2.15 (1.52; 3.03) 2.12 (1.50; 3.00)
 Long RTIs 9.9 15.4 20.4 2.41 (1.72; 3.39) 2.14 (1.52; 3.02)
 Upper 10% in diaryscore 7.5 12.2 15.7 2.21 (1.57; 3.12) 2.09 (1.48; 2.96)
Seasonal level:
  ≥ 4 months RTIs 15.5 22.4 28.4 2.69 (1.62; 4.45) 2.54 (1.53; 4.21)
  ≥ 3 long RTIs 6.7 11.0 17.4 3.13 (2.01; 4.88) 2.81 (1.79; 4.40)
 Upper 10% in diary score 6.3 13.4 19.2 4.85 (2.53; 9.32) 3.95 (2.08; 7.51)
Individual level:
 Upper 10% in diary score 6.0 13.7 18.2 2.32 (1.52; 3.52) 1.97 (1.28; 3.04)
b)
  Frequencyb (%) (Obese vs non-obese) (Obese vs non-obese)
Outcome indicators BMI < 25 (N = 816) Overweight (N = 452) Obese (N = 187) Crude OR 95% CI Adjusteda OR 95% CI
Any long RTIs 29.9 39.1 46.6 2.24 (1.64; 3.05) 1.93 (1.42; 2.63)
Sinusitis 35.9 44.3 41.8 1.77 (0.94; 3.31) 1.51 (0.80; 2.86)
Rhinitis 22.1 28.1 35.6 1.84 (1.29; 2.62) 1.71 (1.20; 2.44)
Otitis media 31.1 34.1 36.9 4.12 (0.38;45.18) 2.87 (0.26;31.54)
Pharyngitis/Laryngitis 21.9 31.8 37.4 2.42 (1.48; 3.97) 2.15 (1.32; 3.51)
Tonsillitis 16.2 14.7 22.5 3.21 (0.64;16.15) 2.98 (0.59;15.05)
Influenza-like illness 21.6 28.2 34.4 2.13 (1.34; 3.38) 1.86 (1.18; 2.94)
Bronchitis 44.0 47.5 59.8 2.08 (1.33; 3.24) 2.06 (1.32; 3.23)
Pneumonia 52.4 57.1 72.7 4.18 (0.25;81.73) 3.40 (0.17;68.52)
Other acute resp. infections 44.6 47.6 53.3 2.42 (0.58;10.14) 2.09 (0.51; 8.56)
  1. aadjusted by age (continuous) and educational status (three categories)
  2. bfor all months in which a respective infection was reported