Asymptomatic versus symptomatic SARS-CoV-2 infection: a cross-sectional seroprevalence study

Table 5 Multivariate logistic regression analysis for the parameters affecting the symptomatic state in COVID-19 participants

	B	S.E	Sig	Adjusted odds ratio (aOR)	95% C.I. for EXP(B)
	B	S.E	Sig	Adjusted odds ratio (aOR)	Lower	Upper
Residence
Residence (1)—rural	0.626	0.338	0.064	1.870	0.964	3.627
Residence (2)—slum	1.612	0.358	0.037*	1.845	1.715	3.720
Type of occupation
Type of occupation (1)—client-facing room	1.208	0.381	0.026*	1.231	1.083	2.597
Type of occupation (2)—health care workers	1.747	0.486	0.014*	2.111	1.914	5.475
Type of occupation (3)—retired	0.702	0.705	0.082	2.052	1.844	2.459
Kidney disease (1)	0.970	0.816	0.134	0.379	0.077	1.875
Lung disease (allergy/COPD) (1)	1.308	0.809	0.006*	2.270	2.055	3.321
Autoimmune disease (1)	0.692	0.494	0.161	0.500	0.190	1.317
Blood group
Blood group (1)—AB	0.293	0.236	0.214	1.341	0.844	2.130
Blood group (2)—A	0.915	0.252	0.015*	1.851	1.130	3.031
Blood group (3)—B	0.550	0.367	0.134	1.734	0.844	3.563
Rh (1)	0.317	0.359	0.378	1.373	0.679	2.774
Practicing social distancing
Practice social distancing (1): sometimes	− 0.245	0.382	0.522	0.783	0.370	1.656
Practice social distancing (2): never	1.154	0.225	0.019*	1.566	1.750	1.813
Work days/ study days per week
Work days/study days per week (1): 1–3	0.474	0.239	0.047*	1.607	1.006	2.566
Work days/ study days per week (2): 4–5	0.265	0.240	0.268	1.304	0.815	2.085
Using soap for hand washing (1): sometimes	0.302	0.305	0.322	1.352	0.744	2.459
Using soap for hand washing (2): never	1.015	0.152	0.018*	2.851	2.130	3.931
Practicing exercise
Practicing exercise (1)—occasionally	0.144	0.331	0.663	1.155	0.604	2.208
Practicing exercise (2)—never	0.468	0.227	0.039*	1.597	1.023	2.492
Constant	1.658	1.346	0.218	5.249

Dependent variable: being symptomatic
Predictor(s) entered in the model: Residence (Reference: Urban), Type of occupation (Reference: Not working/Non-client Facing role), Do you suffer from kidney disease? (Reference: No), Do you have lung disease (allergy/ COPD)? (Reference: No), Do you have an autoimmune disease? (Reference: No), Blood group (Reference: Blood Group (O)), RH (Reference: Negative), Do you practice social distancing? (Reference: Always), Work days/study days [online] per week (Reference: 6–7), Do you use soap for hand washing? (Reference: Always), Do you exercise? (Reference: Consistently)
Overall model is significant [X² = 43.714, p = 0.004*]

ISSN: 1349-4147