Validation of the JEN frailty index in the National Long-Term Care Survey community population: identifying functionally impaired older adults from claims data

Table 5 Multinomial Prediction of LTI and Death without Prior LTI in Q2-Q5 (1 Year), 2004 NLTCS Community Sample (n = 12,563). (“Neither event” is reference category)

Multinomial Models Predictors	Log Odds [Wald 95% c.i.]	Area under ROC Curve [95% c.i.]	Hosmer-Lemeshow χ² (p)	Brier Score [pseudo-R²]
Multivariable Model with JFI Response = Death (n = 605)
Age	1.090 [1.080, 1.100]	0.759 [0.074, 0.778]	8.906 [d.f. = 8] (0.350)	0.044 [0.126]
Gender	1.983 [1.657, 2.372]
JFI Score	1.178 [1.129, 1.230]
Response = LTI (n = 156)
Age	1.096 [1.076, 1.115]	0.781 [0.747, 0.815]	6.956 [d.f. = 8] (0.542)	0.012 [0.102]
Gender	0.780 [0.556, 1.122]
JFI Score	1.249 [1.157, 1.348]
Multivariable Model with ADL Response = Death (n = 605)
Age	1.070 [1.059, 1.080]	0.768 [0.748, 0.788]	13.747 (0.089)	0.042 [0.151]
Gender	2.098 [1.755, 2.508]
ADL Count	1.395 [1.338, 1.455]
Response = LTI (n = 156)
Age	1.068 [1.049, 1.088]	0.829 [0.799, 0.860]	41.233 (< 0.001)	0.012 [0.125]
Gender	0.962 [0.673, 1.375]
ADL Count	1.391 [1.291, 1.499]

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