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. 2020 Jan 13;102(6):468–476. doi: 10.2106/JBJS.19.00432

TABLE III.

Factors Associated with Being Characterized as “Premature” or “Potentially Appropriate but Not Replaced”*

Potentially Appropriate but Not Replaced Versus Timely Premature Versus Timely
Sex (reference, female)
 Male 1.17 (0.89, 1.53) 0.97 (0.68, 1.40)
Age (reference, ≤55 years)
 56-63 yr 1.05 (0.68, 1.62) 0.56 (0.32, 0.98)
 64-69 yr 0.64 (0.42, 0.98) 0.35 (0.21, 0.61)
 70-75 yr 0.87 (0.56, 1.36) 0.53 (0.30, 0.93)
 ≥76 yr 0.87 (0.53, 1.43) 0.79 (0.43, 1.48)
Race (reference, non-Hispanic white)
 Black 2.81 (1.86, 4.25) 1.68 (0.97, 2.90)
 Other/missing 2.32 (0.84, 6.44) 3.56 (1.12, 11.36)
BMI (reference, <25 kg/m2)
 25-29 kg/m2 1.04 (0.68, 1.58) 0.33 (0.20, 0.55)
 30-34 kg/m2 1.02 (0.67, 1.56) 0.31 (0.18, 0.52)
 ≥35 kg/m2 0.87 (0.56, 1.36) 0.33 (0.19, 0.56)
Education (reference, high school or less/missing)
 Some college 0.82 (0.59, 1.12) 0.93 (0.59, 1.45)
 College degree 1.02 (0.70, 1.50) 1.03 (0.61, 1.74)
 More than college 0.91 (0.65, 1.27) 1.50 (0.96, 2.36)
Charlson score (reference, 0)
 ≥1 0.98 (0.76, 1.27) 0.79 (0.55, 1.13)
Depressed 0.88 (0.64, 1.21) 0.37 (0.22, 0.64)
SF-12 Physical Function Scale 1.02 (1.01, 1.03) 1.04 (1.02, 1.06)
Living alone (reference, no)
 Yes 1.42 (0.99, 2.05) 2.04 (1.29, 3.22)
*

The values are given as the odds ratio, with the 95% CI in parentheses.

Bold values indicate that the odds ratio is significantly different from 1.