Table 3.

Risk factors of weighted SARS-CoV-2 infection identified in univariate and multiple weighted logistic regression analysis, FDMN population, Bangladesh December 2020 (N=3446)

Factors	Unadjusted	Adjusted
	OR (95% CI)	Overall	(Age 1–17 years)	(Age 18–94 years)
		OR (95% CI)	OR (95% CI)	OR (95% CI)
Age (continuous)	1.02 (1.02 to 1.03)*	1.01 (1.01 to 1.02)*	1.09 (1.03 to 1.15)*	1.01 (0.99 to 1.01)
Sex
Female	1	1	1	1
Male	1.00 (0.83 to 1.20)	1.00 (0.81 to 1.23)	1.30 (0.89 to 1.88)	1.05 (0.82 to 1.34)
Education (continuous)	1.07 (1.03 to 1.11)*	1.09 (1.04 to 1.13)*	1.08 (0.97 to 1.21)	1.06 (1.02 to 1.11)*
Camp location
Teknaf	1	1	1	1
Ukhiya	1.14 (0.88 to 1.47)	1.10 (0.83 to 1.46)	1.12 (0.68 to 1.84)	1.07 (0.78 to 1.47)
Smoking
No	1			1
Yes	0.70 (0.55 to 0.89)*			0.63 (0.48 to 0.83)*
BCG vaccination
No	1	1	1	1
Yes	0.94 (0.72 to 1.22)	0.96 (0.72 to 1.28)	1.18 (0.55 to 2.53)	0.85 (0.66 to 1.12)
Symptoms†
No	1	1	1	1
Yes	1.28 (1.06 to 1.54)*	1.20 (0.99 to 1.47)	1.12 (0.77 to 1.63)	1.34 (1.08 to 1.67)*
Comorbidity‡
No comorbidity	1	1	1	1
One or more	1.44 (1.10 to 1.90)*	1.10 (0.82 to 1.48)	1.06 (0.54 to 2.11)	1.16 (0.85 to 1.60)

*P<0.05.

†Symptoms include fever, cough, dyspnoea, anosmia, chills, fatigue, sore throat, headache, ageusia, nausea, vomiting, diarrhoea, wheezing, chest pain, rhinorrhoea, conjunctivitis, other respiratory, muscle aches, myalgia, rash, loss appetite, nosebleed, seizures.

‡Comorbidities include cancer, diabetes, hypertension, heart disease, asthma, chronic lung disease, chronic liver disease, thalassaemia or other chronic haematological disorder, chronic kidney disease, chronic neurological impairment, bone marrow disease.

FDMNs, Forcibly Displaced Myanmar Nationals.