Table 3. Multivariate logistic regression models for frailty worsening 1 year later.

	Crude OR	aOR*	95% CI-OR**	Sig
Sex
Male	Reference	Reference
Female	1.03	1.18	1.13–1.20	<.001
Age groups
65–74 years	Reference	Reference
75–84 years	1.62	1.72	1.65–1.79	<.001
85+ years	2.56	2.80	2.63–2.98	<.001
SES groups
Low	Reference	Reference
Intermediate	0.91	0.91	0.87–0.95	<.001
High	0.80	0.77	0.72–0.82	<.001
Sector
Jewish secular	Reference	Reference
Jewish orthodox	0.95	0.91	0.86–0.96	<.001
Arabic	1.21	1.11	1.04–1.19	<.001
MEFI 2023
Fit	Reference	Reference
Mild frailty	1.12	0.57	0.54–0.60	<.001
Moderate frailty	1.51	0.45	0.42–0.48	<.001
Severe frailty	0.74	0.12	0.10–0.13	<.001
Hosp. year before
No	Reference	Reference
Yes	1.52	1.41	1.35–1.48	<.001
CCI groups
0	Reference	Reference
1–2	1.62	1.74	1.66–1.83	<.001
3–5	2.01	2.57	2.42–2.73	<.001
6+	2.52	4.01	3.68–4.37	<.001
BMI groups
Underweight	1.61	0.56	0.50–0.64	<.001
Normal weight	Reference	Reference
Overweight	0.96	0.53	0.47–0.60	0.42
Obesity	1.06	0.58	0.51–0.66	<.001
Comorbidity
Act. Limitation	0.34	0.33	0.25–0.43	<.001
Atrial Fibrillation	1.58	1.59	1.51–1.68	<.001
Dementia	2.03	1.734	1.63–1.86	<.001
Fall Related	0.63	0.61	0.54–0.69	<.001
Heart Failure	1.74	1.60	1.51–1.70	<.001
Housebound	2.00	1.83	1.71–1.97	<.001
Hypertension	1.68	1.66	1.58–1.74	<.001
Kidney disease	1.54	1.39	1.32–1.47	<.001
Memory/Cognitive	1.73	2.23	2.13–2.33	<.001
Polypharmacy	2.75	2.87	2.63–3.13	<.001
Require for Care	0.10	0.05	0.02–0.13	<.001
Sleep disturbance	0.29	0.33	0.27–0.41	<.001

^*aOR, odds ratio adjusted for other listed variables. ^**All the aOR were significant at p < 0.001.