Table 3. Odds Ratios (OR) and 95% Confidence Intervals (CIs) of injury in mixed martial arts matches from multivariate logistic regression models, September 2001 through December 2004, Nevada.
Model
Variables
OR
95%CI
Unconditional logistic regression
Age *†
1.29
0.73-2.26
Weight *†
1.03
0.95-1.11
Lost match
2.32
1.36-3.98
KO or TKO
1.71
0.97-3.01
Rounds fought †
1.44
1.11-1.87
1:1 matched conditional logistic regression
Age *†
3.11
1.11-8.59
Weight difference *†
1.10
0.90-1.34
Lost match
2.69
1.44-5.0
† A continuous variable.
*Odds Ratio for a ten-unit change in age and weight.