Table 4.

Factors associated with anxiety symptoms in seniors.

	Anxiety symptoms (yes/no)
	Univariable logistic regression			Multivariable logistic regression
	OR	95% CI	p-Value	OR	95% CI	p-Value
Gender
Male	Ref.
Female	3.74	2.12–6.62	0.000	2.77	1.53–5.00	0.001
Age (years)	0.98	0.94–1.02	0.371	0.96	0.92–1.00	0.078
NUTS II
Norte	Ref.			Ref.
Centro	0.99	0.63–1.57	0.982	0.98	0.60–1.60	0.939
Lisboa	0.92	0.29–3.00	0.897	0.97	0.37–2.54	0.949
Alentejo	0.76	0.37–1.57	0.462	0.79	0.36–1.73	0.553
Algarve	0.65	0.18–2.42	0.525	0.93	0.23–3.78	0.918
Azores	0.66	0.28–1.58	0.356	1.14	0.41–3.18	0.796
Madeira	0.87	0.46–1.66	0.683	0.91	0.48–1.75	0.785
Live alone (Y/N)	1.25	0.75–2.07	0.389
Level of education
≤4 years	3.09	1.72–5.54	0.000	2.30	1.22–4.36	0.010
>4 years	Ref.
BMI
Underweight	Ref.
Normal	0.50	0.10–2.45	0.390
Overweight	0.58	0.11–3.05	0.521
Obese	0.51	0.10–2.52	0.407
Alcohol intake
Never	Ref.
Daily intake	0.35	0.20–0.62	<0.001
Occasionally	0.65	0.33–1.30	0.224
Smoke
Never	Ref.
Past	0.82	0.33–2.06	0.680
Present	0.40	0.15–1.06	0.066
No regular physical exercise	0.85	0.48–1.53	0.590
High blood pressure (Y/N)	2.03	1.18–3.50	0.011
Diabetes (Y/N)	0.94	0.56–1.58	0.808
High cholesterol level (Y/N)	1.23	0.69–2.20	0.489
Pulmonar disease (Y/N)	1.64	0.94–2.85	0.080
Cardiac disease (Y/N)	1.50	0.89–2.52	0.127
Gastrointestinal diseases (Y/N)	1.80	1.03–3.13	0.039
Neurologic diseases (Y/N)	1.85	0.93–3.67	0.080
Allergies (Y/N)	2.43	1.23–4.79	0.011	2.02	1.14–3.55	0.015
Neoplasic disease (Y/N)	0.89	0.46–1.72	0.732
Thyroid disease (Y/N)	2.51	1.50–4.20	<0.001
Hyperuricemia (Y/N)	1.13	0.65–1.98	0.655
Rheumatic disease (Y/N)	4.36	2.65–7.16	<0.001	2.92	1.74–4.90	<0.001

HADS-A, Hospital Anxiety and Depression Scale—Anxiety subscale; OR, odds ratio; CI, confidence interval; HAQ, Health Assessment Questionnaire (0–3); EQ5D, European Quality of Life questionnaire five dimensions three levels (0–1); BMI, body mass index.

^†p-Value ≤ 0.05; GoF (p = 0.287).