Table 2. Multivariate logistic regression analyses of association with evaluation of GA domains.

Domain	Cognition	Nutrition	Comorbidity	Falls	ADLs	Depression
Independent variable	OR (95% CI) p value	OR (95% CI) p value	OR (95% CI) p value	OR (95% CI) p value	OR (95% CI) p value	OR (95% CI) p value
Age	1.01 (0.98–1.04) 0.52	1.00 (0.97–1.03) 0.91	1.03 (0.95–1.11) 0.50	1.04 (1.01–1.07) 0.004	1.01 (0.98–1.04) 0.45	1.04 (1.01–1.06) 0.011
Gender
Male	Ref	Ref	Ref	Ref	Ref	Ref
Female	0.90 (0.48–1.69) 0.73	1.03 (0.53–2.02) 0.92	3.98 (0.76–21.05) 0.10	0.98 (0.49–1.97) 0.96	1.80 (0.88–3.66) 0.11	0.92 (0.48–1.78) 0.81
Medical specialty
Medical oncology	Ref	Ref	Ref	Ref	Ref	Ref
Surgical/radiation oncology	2.80 (1.42–5.51) 0.003	1.24 (0.61–2.52) 0.55	4.49 (0.91–22.27) 0.07	0.57 (0.27–1.19) 0.57	0.64 (0.30–1.37) 0.24	0.89 (0.44–1.78) 0.73
Size of practice
≤10 patients/day	Ref	Ref	Ref	Ref	Ref	Ref
>10 patients/day	0.82 (0.45–1.51) 0.53	0.98 (0.51–1.88) 0.94	1.02 (0.06–1.61) 0.16	0.47 (0.24–0.91) 0.026	0.88 (0.45–1.71) 0.71	0.72 (0.38–1.34) 0.30
Geriatrician available
No	Ref	Ref	Ref	Ref	Ref	Ref
Yes	0.81 (0.43–1.52) 0.52	0.81 (0.41–1.58) 0.53	1.02 (0.25–4.12) 0.98	0.96 (0.48–1.92) 0.91	1.51 (0.77–2.95) 0.23	1.60 (0.83–3.06) 0.16
Perceived confidence in skill 1	Dementia	Assessing nutrition status	Managing polypharmacy	Assessing and preventing falls	Urinary incontinence	Depression
Not at all-mildly	Ref	Ref	Ref	Ref	Ref	Ref
Very-completely	2.72 (1.29–5.73) 0.008	3.87 (2.00–7.47) <0.001	1.82 (0.40–8.36) 0.44	6.31 (3.20–12.46) 0.001	1.72 (0.81–3.65) 0.16	2.52 (1.33-4.78) 0.005
Perceived confidence in skill 2			Osteoporosis
Not at all-mildly	-	-	Ref	-	-	-
Very-completely			5.61 (1.03–30.50) 0.046