Research Article

Anthropometric Measures and Frailty Prediction in the Elderly: An Easy-to-Use Tool

Table 2

Logistic regression univariable models and results for the learning sample.

Anthropometric measures Unadjusted Adjusted for age
β    
(95% CI)
β    
(95% CI)

Weight24360.001 (0.003)0.58 (0.52–0.63)0.001 (0.005)0.63 (0.58–0.69)
Height436−5.313 (<0.001)0.64 (0.58–0.69)–4.731 (<0.001)0.66 (0.61–0.72)
Knee height436–0.098 (0.004)0.60 (0.54–0.65)–0.091 (0.008)0.64 (0.58–0.69)
Circumference
 Neck429–0.050 (0.128)0.54 (0.48–0.60)–0.032 (0.331)0.60 (0.54–0.65)
 Arm24380.021 (<0.001)0.61 (0.55–0.67)0.020 (0.001)0.66 (0.60–0.71)
 Forearm432–0.097 (0.014)0.58 (0.52–0.64)–0.068 (0.100)0.61 (0.55–0.66)
 Umbilical level24170.002 (0.003)0.58 (0.52–0.64)0.002 (0.003)0.65 (0.59–0.70)
 Smaller waist24150.002 (0.011)0.57 (0.52–0.63)0.002 (0.009)0.64 (0.58–0.69)
 Waist midpoint24130.002 (0.007)0.58 (0.53–0.64)0.002 (0.005)0.64 (0.58–0.70)
 Hip24120.002 (0.009)0.56 (0.50–0.62)0.002 (0.010)0.63 (0.58–0.69)
 Thigh24160.006 (0.018)0.57 (0.51–0.62)0.005 (0.034)0.62 (0.56–0.67)
 Calf24340.015 (0.016)0.55 (0.49–0.60)0.014 (0.033)0.61 (0.56–0.67)
Skinfold
 Subscapular24380.003 (0.031)0.53 (0.48–0.59)0.003 (0.045)0.62 (0.56–0.67)
 Pectoral24300.004 (0.085)0.56 (0.50–0.61)0.004 (0.091)0.62 (0.57–0.68)
 Triceps4350.039 (0.005)0.58 (0.53–0.64)0.043 (0.003)0.64 (0.59–0.70)
 Bicipital4320.059 (0.005)0.58 (0.52–0.63)0.067 (0.002)0.65 (0.59–0.70)
 Suprailiac4170.008 (0.515)0.53 (0.47–0.59)0.014 (0.270)0.60 (0.54–0.66)
 Abdominal4180.001 (0.941)0.52 (0.46–0.58)0.008 (0.542)0.59 (0.53–0.65)
 Thigh4170.022 (0.033)0.57 (0.51–0.62)0.021 (0.042)0.61 (0.56–0.67)
 Calf4280.048 (0.001)0.60 (0.54–0.66)0.045 (0.002)0.64 (0.59–0.70)
Sagittal abdominal diameter
 Umbilical level23970.021 (0.012)0.57 (0.51–0.63)0.022 (0.010)0.63 (0.57–0.69)
 Smaller waist23970.026 (0.008)0.56 (0.50–0.61)0.027 (0.007)0.62 (0.57–0.58)
 Midpoint23970.021 (0.014)0.57 (0.51–0.63)0.022 (0.011)0.63 (0.57–0.69)
 Iliac crest level23970.022 (0.009)0.58 (0.52–0.64)0.023 (0.007)0.63 (0.57–0.69)
 Orthostatic position24000.013 (0.019)0.58 (0.52–0.64)0.014 (0.018)0.63 (0.57–0.69)
 Larger waist23970.023 (0.008)0.59 (0.53–0.65)0.023 (0.007)0.64 (0.58–0.69)

Notes. Exponent 2 means that the quadratic term of the predictor was included in the model, along with the linear term. regression; () < 0.001; () < 0.005.