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Table 6 Odds ratio (95%CI) for either any injury/illness or lower body musculoskeletal injury attributed to exercise.

From: The influence of exercise and BMI on injuries and illnesses in overweight and obese individuals: a randomized control trial

Independent variable in longitudinal model Self-reported injury or illness attributed to exercise (0 = no, 1 = yes) at months 6, 12, and 18
  Any Lower body musculoskeletal
  Odds ratio (95%CI) p-value Odds ratio (95%CI) p-value
Exercise Intervention a, b   0.59   0.74
   Control Reference   Reference  
   150 minutes/week 1.09 (0.54,2.20)   1.00 (0.45,2.22)  
   200 minutes/week 1.18 (0.66,2.11)   1.32 (0.69, 2.52)  
   300 minutes/week 1.50 (0.81, 2.78)   1.31 (0.64, 2.67)  
BMI (kg/m2) c, d, e 1.10 (1.05,1.16) < 0.001 1.05 (0.99, 1.12) 0.09
Race a   0.007   0.01
   White Reference   Reference  
   Black 0.44 (0.25,0.75)   0.46 (0.13, 1.56)  
   Other 0.56 (0.21,1.50)   0.44 (0.24, 0.80)  
  1. a one-time covariate defined at baseline
  2. b The OR (95% CI) for the exercise intervention (150, 200 or 300 minutes/week) versus the control group was 1.26 (0.74, 2.13), p = 0.40 for any injury/illness attributed to exercise and 1.24 (0.68, 2.25), p = 0.49 for lower body musculoskeletal injury attributed to exercise.
  3. c time-varying covariate defined at months 6, 12, and 18
  4. d centered at 30
  5. e Controlling for race and randomized exercise intervention, the odds of injury (95% CI) over time for overweight (BMI 25-29.9 kg/m2) and obese (BMI > 30 kg/m2) participants were 1.65 (1.00, 2.70) and 1.89 (1.06, 3.33) for any injury and 1.53 (0.89, 2.63) and 1.28 (0.67, 2.47) for lower body musculoskeletal injury attributed to exercise, respectively, compared to participants who achieved BMIs < 25 kg/m2.