Research Article
Household Transmission of SARS-CoV-2 in Bhutan
Table 3
Unadjusted prevalence ratio of risk factors for infectivity of SARS-CoV-2.
| Risk factors | | uPR (95% CI) | value |
| Factors of household contacts | | | | Age | | | | <18 years | 123 | 1 | | ≥18 years | 183 | 0.88 (0.73,1.06) | 0.174 | Sex | | | | Male | 131 | 1 | | Female | 175 | 0.98 (0.81, 1.18) | 0.825 | Relationship | | | | Spouse | 47 | 1 | | Relatives | 83 | 0.81 (0.57, 1.15) | 0.229 | Child | 99 | 1.31 (0.99, 1.75) | 0.059 | Parents/grandparents | 31 | 0.93 (0.61, 1.43) | 0.75 | Others (neighbors/friends/employers) | 46 | 1.14 (0.81, 1.6) | 0.45 | Comorbidity | | | | Yes | 17 | 1 | | No | 289 | 1 (0.66, 1.51) | 1 | Vaccination | | | | Yes | 179 | 1 | | No | 127 | 1.15 (0.96, 1.39) | 0.133 | Household size (categorical) | | | | ≤3 members | 64 | 1 | | 4-6 members | 155 | 1.07 (0.83, 1.39) | 0.591 | ≥7 members | 87 | 1.13 (0.86, 1.5) | 0.37 | Household size | 306 | (0.95, 1.02) | 0.426 | Age | 306 | 1 (0.99, 1) | 0.396 | Factors of index case | | | | Age of index case | | | | <18 years | 39 | 1 | | ≥18 years | 267 | 1.88 (1.19, 2.95) | 0.007 | Index case sex | | | | Male | 156 | 1 | | Female | 150 | 1.02 (0.84, 1.22) | 0.859 | Symptom status of index case | | | | Symptomatic index | 233 | 1 | | Asymptomatic index | 73 | 0.85 (0.67, 1.09) | 0.203 | Vaccination status of index case | | | | Yes | 257 | 1 | | No | 49 | 0.408 (0.25, 0.66) | <0.001 |
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uPR: unadjusted prevalence ratio. 1: reference value. values were calculated using the generalized linear models for binomial family. |