Identifying frailty: do the Frailty Index and Groningen Frailty Indicator cover different clinical perspectives? a cross-sectional study

Table 4 Independent predictive capacity of baseline characteristics for a high GFI or FI score

Multivariate analysis I (prediction of high GFI score in patients with a low FI score)
	Odds ratio	95% CI	p-value
Age	1.042	0.996– 1.090	0.072
Sex	1.847	0.831 – 4.105	0.13
Consultation gap in months	0.958	0.889 – 1.033	0.27
Living alone as a widower or after divorce	3.797	1.760 – 8.194	0.001
Primary education or less	1.010	0.363 – 2.809	0.99
Multivariate analysis II (prediction of high FI score in patients with a low GFI score)
	Odds Ratio	95% CI	p-value
Age	1.059	1.023 – 1.097	0.001
Sex	0.998	0.576 – 1.729	0.99
Consultation gap in months	0.923	0.848 – 1.004	0.062
Living alone as a widower or after divorce	2.149	1.122 – 4.114	0.021
Primary education or less	0.689	0.315 – 1.509	0.35

Effects are depicted per year increase in age and per month increase in consultation gap. Male gender, not living alone as a widower or after divorce, and having other education above primary education were taken as the reference values. CI, Confidence interval.

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