Volume 27, Number 12—December 2021
Research
Novel Use of Capture-Recapture Methods to Estimate Completeness of Contact Tracing during an Ebola Outbreak, Democratic Republic of the Congo, 2018–2020
Table 1
Multivariable logistic regression for predictors of loss to followup of contacts of Ebola virus disease case-patients, Beni Health Zone, Democratic Republic of the Congo, July 31, 2018–April 26, 2020*
Independent variable | No. contacts | Unadjusted |
Adjusted |
|||
---|---|---|---|---|---|---|
OR (95% CI) | p value | OR (95% CI) | p value | |||
Sex | ||||||
F | 41,349 | Referent | Referent | |||
M |
37,296 |
1.07 (1.02–1.12) |
0.003 |
1.06 (1.01–1.11) |
0.013 |
|
Age group, y | ||||||
0–14 | 20,616 | Referent | Referent | |||
15–29 | 26,142 | 1.18 (1.11–1.25) | <0.001 | 1.19 (1.12–1.27) | <0.001 | |
30–44 | 17,665 | 1.16 (1.09–1.24) | <0.001 | 1.18 (1.10–1.26) | <0.001 | |
45–59 | 6,157 | 1.56 (1.43–1.70) | <0.001 | 1.55 (1.43–1.69) | <0.001 | |
>60 |
2,599 |
1.64 (1.46–1.84) |
<0.001 |
1.65 (1.47–1.86) |
<0.001 |
|
Epidemic wave† | ||||||
First wave | 14,374 | Referent | Referent | |||
Second wave | 66,182 | 0.85 (0.81–0.90) | <0.001 | 0.83 (0.79–0.88) | <0.001 |
*OR, odds ratio. †Contacts were divided into 2 epidemic waves according to the date of symptom onset of their associated primary case-patient (first wave, July 31, 2018–February 28, 2019; second wave, March 1, 2019–April 26, 2020).