Table 1.

Characteristics of study participants.

Characteristic	Level	n	%	95% CI
History of HZ	No	240	88.2	83.9–91.5
	Yes	26	9.6	6.6–13.6
	NA	6	2.2	—
HZ localization	Thoracic	109	40.1	34.4–46.0
	Cervical-facial	42	15.4	11.6–20.2
	Sacral-lumbar	40	14.7	11.0–19.4
	Abdominal	43	15.8	12.0–20.6
	Limbs	26	9.6	6.6–13.6
	Ophthalmic	10	3.7	2.0–6.6
	NA	2	0.7	—
Background pathologies	Respiratory	24	8.8	6.0–12.8
	Cardiovascular	109	40.1	34.4–46.0
	Endocrine	41	15.1	11.3–19.8
	Gastrointestinal	33	12.1	8.8–16.6
	Other	74	27.2	22.3–32.8
Cancer before HZ diagnosis	No	235	86.4	81.8–90.0
	Yes	35	12.9	9.4–17.4
	NA	2	0.7	—
Physical trauma	No	247	90.8	86.8–93.7
	Yes	23	8.5	5.7–12.4
	NA	2	0.7	—
Psychological stress	No	200	73.5	68.0–78.4
	Yes	72	26.5	21.6–32.0
Systemic antiretroviral treatment	No	34	12.5	9.1–17.0
	Yes	238	87.5	83.0–90.9

NA = not available.