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Table 2 Contributing factors to AMS (multivariable logistic regression)

From: The impact of physical fitness and body mass index in children on the development of acute mountain sickness: A prospective observational study

  OR (95% CI) p value
Model 1   
Body mass index, kg/m2 1.18 (1.07 - 1.3) 0.001*
Age, years 0.73 (0.35 - 1.52) 0.403
Gender (Ref: Female) 2.37 (1.19 - 4.72) 0.014*
Model 2   
Body mass index z-score 6.68 (1.75 - 25.49) 0.006*
Age, years 0.68 (0.33 - 1.41) 0.298
Gender (Ref: Female) 2.53 (1.28 - 4.99) 0.008*
Model 3   
Physical fitness index 0.99 (0.96 - 1.02) 0.531
Age, years 0.71 (0.35 - 1.43) 0.335
Gender (Ref: Female) 2.78 (1.41 - 5.46) 0.003*
  1. *Significantly different between AMS and non-AMS groups.
  2. AMS, acute mountain sickness.
  3. Multivariate logistic regression was used to estimate odds ratios (OR) and 95% confidence intervals (95%CI) for the effects of BMI, physical fitness, age, and gender on the likelihood of experiencing AMS.