Predictors of Full Compliance Among Randomized Participants Postenrollment and Postvaccination
| . | 6 Months Postenrollment (All Participants, n = 8626) . | 6 Months Postvaccination (All Vaccinated, n = 7979) . | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| . | Compliant . | Univariable . | Multivariable . | Compliant . | Univariable . | Multivariable . | |||||
| . | N (%) . | Odds Ratio (95% CI) . | Factor- Level P Value . | N (%) . | Factor- Level P Value . | N (%) . | Odds Ratio (95% CI) . | Factor Level P Value . | Odds Ratio (95% CI) . | Factor- Level P Value . | |
| Randomization Arm | Deferred Vaccination | 2769 (64.2) | ref | <.0001 | ref | <.0001 | 2455 (64.4) | ref | <.0001 | ref | <.0001 |
| Immediate Vaccination | 3165 (73.4) | 1.5 (1.4–1.7) | 1.6 (1.4–1.7) | 3165 (76.1) | 1.8 (1.6–1.9) | 1.9 (1.7–2.1) | |||||
| Enrollment Site | Western Rural | 1189 (62.9) | ref | <.0001 | ref | <.0001 | 1118 (64.1) | ref | <.0001 | ref | <.0001 |
| Western Urban | 2176 (67.1) | 1.2 (1.1–1.4) | 0.9 (0.8–1.1) | 2021 (69.5) | 1.3 (1.1–1.4) | 1.1 (0.9–1.2) | |||||
| Bombali | 989 (82.3) | 2.7 (2.3–3.3) | 2.1 (1.8–2.6) | 861 (75.7) | 1.7 (1.5–2.1) | 1.5 (1.2–1.8) | |||||
| Tonkolili | 523 (71.5) | 1.5 (1.2–1.8) | 1.2 (1.0–1.4) | 595 (84.6) | 3.1 (2.5–3.9) | 2.6 (2.1–3.3) | |||||
| Port Loko (Port Loko) | 523 (60.7) | 0.9 (0.8–1.1) | 0.8 (0.6–0.9) | 508 (61.8) | 0.9 (0.8–1.1) | 0.8 (0.7–1.0) | |||||
| Port Loko (Lunsar) | 296 (74.7) | 1.8 (1.4–2.2) | 1.4 (1.1–1.9) | 284 (78.0) | 2.0 (1.5–2.6) | 1.7 (1.3–2.3) | |||||
| Port Loko (Kaffu Bullom) | 238 (79.1) | 2.2 (1.7–3.0) | 1.7 (1.3–2.3) | 233 (80.3) | 2.3 (1.7–3.1) | 2.0 (1.4–2.7) | |||||
| Age (tertiled) years | 18.0–27.5 | 1820 (63.3) | ref | <.0001 | ref | <.0001 | 1747 (65.8) | ref | <.0001 | ref | <.0001 |
| 27.5–35.4 | 2017 (70.1) | 1.4 (1.2–1.5) | 1.3 (1.2–1.5) | 1896 (71.9) | 1.3 (1.2–1.5) | 1.3 (1.1–1.4) | |||||
| 35.4–79.5 | 2097 (72.9) | 1.6 (1.4–1.8) | 1.4 (1.3–1.6) | 1977 (73.9) | 1.5 (1.3–1.7) | 1.3 (1.2–1.5) | |||||
| Gender | Male | 3568 (68.2) | ref | .1761 | 3466 (69.0) | ref | .0001 | ||||
| Female | 2366 (69.6) | 1.1 (1.0–1.2) | 2154 (73.1) | 1.2 (1.1–1.4) | |||||||
| Occupation | Nursea | 2071 (72.1) | ref | <.0001 | ref | <.0001 | 1769 (75.8) | ref | <.0001 | ref | <.0001 |
| Doctor | 19 (79.2) | 1.5 (0.6–3.9) | 1.3 (0.5–3.4) | 16 (80) | 1.3 (0.4–3.8) | 1.0 (0.3–3.0) | |||||
| Pharmacist | 25 (64.1) | 0.7 (0.4–1.3) | 0.6 (0.3–1.2) | 25 (64.1) | 0.6 (0.3–1.1) | 0.6 (0.3–1.1) | |||||
| Allied Health Professionalb | 101 (67.8) | 0.8 (0.6–1.2) | 0.8 (0.5–1.1) | 93 (71.5) | 0.8 (0.5–1.2) | 0.8 (0.5–1.2) | |||||
| Community health worker | 110 (61.8) | 0.6 (0.5–0.9) | 0.7 (0.5–0.9) | 97 (64.2) | 0.6 (0.4–0.8) | 0.6 (0.4–0.8) | |||||
| Laboratory worker | 218 (80.1) | 1.6 (1.2–2.1) | 1.6 (1.2–2.2) | 216 (80.3) | 1.3 (0.9–1.8) | 1.5 (1.1–2.0) | |||||
| Frontline workerc | 2716 (65.4) | 0.7 (0.7–0.8) | 0.8 (0.8–0.9) | 2281 (67.7) | 0.7 (0.6–0.8) | 0.8 (0.7–0.9) | |||||
| Surveillance worker | 361 (72.8) | 1.0 (0.8–1.3) | 1.2 (1.0–1.5) | 312 (76.1) | 1.0 (0.8–1.3) | 1.2 (0.9–1.6) | |||||
| Other/Not reported | 313 (70.7) | 0.9 (0.8–1.2) | 1.0 (0.8–1.2) | 256 (72.9) | 0.9 (0.7–1.1) | 0.9 (0.7–1.1) | |||||
| Not currently workingd | NA | NA | NA | 555 (62.2) | 0.5 (0.5–0.6) | 0.9 (0.6–1.2) | |||||
| Facility Type | Clinic setting | 1140 (71.7) | ref | <.0001 | ref | <.0001 | 1154 (71.1) | ref | <.0001 | ref | <.0001 |
| Ebola Facility | 1855 (62.2) | 0.7 (0.6–0.7) | 0.8 (0.7–0.9) | 1393 (65.8) | 0.8 (0.7–0.9) | 0.8 (0.7–0.9) | |||||
| Hospital | 2524 (73.5) | 1.1 (1.0–1.3) | 1.2 (1.0–1.3) | 2279 (75.6) | 1.3 (1.1–1.4) | 1.1 (0.9–1.3) | |||||
| Other/Not reported | 415 (67) | 0.8 (0.7–1.0) | 1.0 (0.8–1.2) | 794 (65.5) | 0.8 (0.7–0.9) | 1.0 (0.7–1.3) | |||||
| Vaccination Status | Unvaccinated | 2769 (62.1) | ref | <.0001 | |||||||
| Vaccinated | 3165 (75.9) | 1.9 (1.8–2.1) | |||||||||
| . | 6 Months Postenrollment (All Participants, n = 8626) . | 6 Months Postvaccination (All Vaccinated, n = 7979) . | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| . | Compliant . | Univariable . | Multivariable . | Compliant . | Univariable . | Multivariable . | |||||
| . | N (%) . | Odds Ratio (95% CI) . | Factor- Level P Value . | N (%) . | Factor- Level P Value . | N (%) . | Odds Ratio (95% CI) . | Factor Level P Value . | Odds Ratio (95% CI) . | Factor- Level P Value . | |
| Randomization Arm | Deferred Vaccination | 2769 (64.2) | ref | <.0001 | ref | <.0001 | 2455 (64.4) | ref | <.0001 | ref | <.0001 |
| Immediate Vaccination | 3165 (73.4) | 1.5 (1.4–1.7) | 1.6 (1.4–1.7) | 3165 (76.1) | 1.8 (1.6–1.9) | 1.9 (1.7–2.1) | |||||
| Enrollment Site | Western Rural | 1189 (62.9) | ref | <.0001 | ref | <.0001 | 1118 (64.1) | ref | <.0001 | ref | <.0001 |
| Western Urban | 2176 (67.1) | 1.2 (1.1–1.4) | 0.9 (0.8–1.1) | 2021 (69.5) | 1.3 (1.1–1.4) | 1.1 (0.9–1.2) | |||||
| Bombali | 989 (82.3) | 2.7 (2.3–3.3) | 2.1 (1.8–2.6) | 861 (75.7) | 1.7 (1.5–2.1) | 1.5 (1.2–1.8) | |||||
| Tonkolili | 523 (71.5) | 1.5 (1.2–1.8) | 1.2 (1.0–1.4) | 595 (84.6) | 3.1 (2.5–3.9) | 2.6 (2.1–3.3) | |||||
| Port Loko (Port Loko) | 523 (60.7) | 0.9 (0.8–1.1) | 0.8 (0.6–0.9) | 508 (61.8) | 0.9 (0.8–1.1) | 0.8 (0.7–1.0) | |||||
| Port Loko (Lunsar) | 296 (74.7) | 1.8 (1.4–2.2) | 1.4 (1.1–1.9) | 284 (78.0) | 2.0 (1.5–2.6) | 1.7 (1.3–2.3) | |||||
| Port Loko (Kaffu Bullom) | 238 (79.1) | 2.2 (1.7–3.0) | 1.7 (1.3–2.3) | 233 (80.3) | 2.3 (1.7–3.1) | 2.0 (1.4–2.7) | |||||
| Age (tertiled) years | 18.0–27.5 | 1820 (63.3) | ref | <.0001 | ref | <.0001 | 1747 (65.8) | ref | <.0001 | ref | <.0001 |
| 27.5–35.4 | 2017 (70.1) | 1.4 (1.2–1.5) | 1.3 (1.2–1.5) | 1896 (71.9) | 1.3 (1.2–1.5) | 1.3 (1.1–1.4) | |||||
| 35.4–79.5 | 2097 (72.9) | 1.6 (1.4–1.8) | 1.4 (1.3–1.6) | 1977 (73.9) | 1.5 (1.3–1.7) | 1.3 (1.2–1.5) | |||||
| Gender | Male | 3568 (68.2) | ref | .1761 | 3466 (69.0) | ref | .0001 | ||||
| Female | 2366 (69.6) | 1.1 (1.0–1.2) | 2154 (73.1) | 1.2 (1.1–1.4) | |||||||
| Occupation | Nursea | 2071 (72.1) | ref | <.0001 | ref | <.0001 | 1769 (75.8) | ref | <.0001 | ref | <.0001 |
| Doctor | 19 (79.2) | 1.5 (0.6–3.9) | 1.3 (0.5–3.4) | 16 (80) | 1.3 (0.4–3.8) | 1.0 (0.3–3.0) | |||||
| Pharmacist | 25 (64.1) | 0.7 (0.4–1.3) | 0.6 (0.3–1.2) | 25 (64.1) | 0.6 (0.3–1.1) | 0.6 (0.3–1.1) | |||||
| Allied Health Professionalb | 101 (67.8) | 0.8 (0.6–1.2) | 0.8 (0.5–1.1) | 93 (71.5) | 0.8 (0.5–1.2) | 0.8 (0.5–1.2) | |||||
| Community health worker | 110 (61.8) | 0.6 (0.5–0.9) | 0.7 (0.5–0.9) | 97 (64.2) | 0.6 (0.4–0.8) | 0.6 (0.4–0.8) | |||||
| Laboratory worker | 218 (80.1) | 1.6 (1.2–2.1) | 1.6 (1.2–2.2) | 216 (80.3) | 1.3 (0.9–1.8) | 1.5 (1.1–2.0) | |||||
| Frontline workerc | 2716 (65.4) | 0.7 (0.7–0.8) | 0.8 (0.8–0.9) | 2281 (67.7) | 0.7 (0.6–0.8) | 0.8 (0.7–0.9) | |||||
| Surveillance worker | 361 (72.8) | 1.0 (0.8–1.3) | 1.2 (1.0–1.5) | 312 (76.1) | 1.0 (0.8–1.3) | 1.2 (0.9–1.6) | |||||
| Other/Not reported | 313 (70.7) | 0.9 (0.8–1.2) | 1.0 (0.8–1.2) | 256 (72.9) | 0.9 (0.7–1.1) | 0.9 (0.7–1.1) | |||||
| Not currently workingd | NA | NA | NA | 555 (62.2) | 0.5 (0.5–0.6) | 0.9 (0.6–1.2) | |||||
| Facility Type | Clinic setting | 1140 (71.7) | ref | <.0001 | ref | <.0001 | 1154 (71.1) | ref | <.0001 | ref | <.0001 |
| Ebola Facility | 1855 (62.2) | 0.7 (0.6–0.7) | 0.8 (0.7–0.9) | 1393 (65.8) | 0.8 (0.7–0.9) | 0.8 (0.7–0.9) | |||||
| Hospital | 2524 (73.5) | 1.1 (1.0–1.3) | 1.2 (1.0–1.3) | 2279 (75.6) | 1.3 (1.1–1.4) | 1.1 (0.9–1.3) | |||||
| Other/Not reported | 415 (67) | 0.8 (0.7–1.0) | 1.0 (0.8–1.2) | 794 (65.5) | 0.8 (0.7–0.9) | 1.0 (0.7–1.3) | |||||
| Vaccination Status | Unvaccinated | 2769 (62.1) | ref | <.0001 | |||||||
| Vaccinated | 3165 (75.9) | 1.9 (1.8–2.1) | |||||||||
Abbreviations: CI, confidence interval; ref, reference category; NA, not applicable.
aIncludes nurse, midwife, community health nurse, nursing aide, maternal-child health aide, nursing student, and vaccinator.
bIncludes pharmacist, dentist, medical counselor, nutritionist, and physiotherapist.
cIncludes contact tracers, ambulance crew, burial workers, cleaners, and swabbers (persons taking post mortem skin/mucosal swabs for Ebola testing).
dCurrent occupation information was updated for deferred crossover participants during the crossover period. Many were no longer working as the Ebola outbreak subsided, and Ebola response jobs ended. Crossover participants were offered vaccination regardless of work status.
Predictors of Full Compliance Among Randomized Participants Postenrollment and Postvaccination
| . | 6 Months Postenrollment (All Participants, n = 8626) . | 6 Months Postvaccination (All Vaccinated, n = 7979) . | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| . | Compliant . | Univariable . | Multivariable . | Compliant . | Univariable . | Multivariable . | |||||
| . | N (%) . | Odds Ratio (95% CI) . | Factor- Level P Value . | N (%) . | Factor- Level P Value . | N (%) . | Odds Ratio (95% CI) . | Factor Level P Value . | Odds Ratio (95% CI) . | Factor- Level P Value . | |
| Randomization Arm | Deferred Vaccination | 2769 (64.2) | ref | <.0001 | ref | <.0001 | 2455 (64.4) | ref | <.0001 | ref | <.0001 |
| Immediate Vaccination | 3165 (73.4) | 1.5 (1.4–1.7) | 1.6 (1.4–1.7) | 3165 (76.1) | 1.8 (1.6–1.9) | 1.9 (1.7–2.1) | |||||
| Enrollment Site | Western Rural | 1189 (62.9) | ref | <.0001 | ref | <.0001 | 1118 (64.1) | ref | <.0001 | ref | <.0001 |
| Western Urban | 2176 (67.1) | 1.2 (1.1–1.4) | 0.9 (0.8–1.1) | 2021 (69.5) | 1.3 (1.1–1.4) | 1.1 (0.9–1.2) | |||||
| Bombali | 989 (82.3) | 2.7 (2.3–3.3) | 2.1 (1.8–2.6) | 861 (75.7) | 1.7 (1.5–2.1) | 1.5 (1.2–1.8) | |||||
| Tonkolili | 523 (71.5) | 1.5 (1.2–1.8) | 1.2 (1.0–1.4) | 595 (84.6) | 3.1 (2.5–3.9) | 2.6 (2.1–3.3) | |||||
| Port Loko (Port Loko) | 523 (60.7) | 0.9 (0.8–1.1) | 0.8 (0.6–0.9) | 508 (61.8) | 0.9 (0.8–1.1) | 0.8 (0.7–1.0) | |||||
| Port Loko (Lunsar) | 296 (74.7) | 1.8 (1.4–2.2) | 1.4 (1.1–1.9) | 284 (78.0) | 2.0 (1.5–2.6) | 1.7 (1.3–2.3) | |||||
| Port Loko (Kaffu Bullom) | 238 (79.1) | 2.2 (1.7–3.0) | 1.7 (1.3–2.3) | 233 (80.3) | 2.3 (1.7–3.1) | 2.0 (1.4–2.7) | |||||
| Age (tertiled) years | 18.0–27.5 | 1820 (63.3) | ref | <.0001 | ref | <.0001 | 1747 (65.8) | ref | <.0001 | ref | <.0001 |
| 27.5–35.4 | 2017 (70.1) | 1.4 (1.2–1.5) | 1.3 (1.2–1.5) | 1896 (71.9) | 1.3 (1.2–1.5) | 1.3 (1.1–1.4) | |||||
| 35.4–79.5 | 2097 (72.9) | 1.6 (1.4–1.8) | 1.4 (1.3–1.6) | 1977 (73.9) | 1.5 (1.3–1.7) | 1.3 (1.2–1.5) | |||||
| Gender | Male | 3568 (68.2) | ref | .1761 | 3466 (69.0) | ref | .0001 | ||||
| Female | 2366 (69.6) | 1.1 (1.0–1.2) | 2154 (73.1) | 1.2 (1.1–1.4) | |||||||
| Occupation | Nursea | 2071 (72.1) | ref | <.0001 | ref | <.0001 | 1769 (75.8) | ref | <.0001 | ref | <.0001 |
| Doctor | 19 (79.2) | 1.5 (0.6–3.9) | 1.3 (0.5–3.4) | 16 (80) | 1.3 (0.4–3.8) | 1.0 (0.3–3.0) | |||||
| Pharmacist | 25 (64.1) | 0.7 (0.4–1.3) | 0.6 (0.3–1.2) | 25 (64.1) | 0.6 (0.3–1.1) | 0.6 (0.3–1.1) | |||||
| Allied Health Professionalb | 101 (67.8) | 0.8 (0.6–1.2) | 0.8 (0.5–1.1) | 93 (71.5) | 0.8 (0.5–1.2) | 0.8 (0.5–1.2) | |||||
| Community health worker | 110 (61.8) | 0.6 (0.5–0.9) | 0.7 (0.5–0.9) | 97 (64.2) | 0.6 (0.4–0.8) | 0.6 (0.4–0.8) | |||||
| Laboratory worker | 218 (80.1) | 1.6 (1.2–2.1) | 1.6 (1.2–2.2) | 216 (80.3) | 1.3 (0.9–1.8) | 1.5 (1.1–2.0) | |||||
| Frontline workerc | 2716 (65.4) | 0.7 (0.7–0.8) | 0.8 (0.8–0.9) | 2281 (67.7) | 0.7 (0.6–0.8) | 0.8 (0.7–0.9) | |||||
| Surveillance worker | 361 (72.8) | 1.0 (0.8–1.3) | 1.2 (1.0–1.5) | 312 (76.1) | 1.0 (0.8–1.3) | 1.2 (0.9–1.6) | |||||
| Other/Not reported | 313 (70.7) | 0.9 (0.8–1.2) | 1.0 (0.8–1.2) | 256 (72.9) | 0.9 (0.7–1.1) | 0.9 (0.7–1.1) | |||||
| Not currently workingd | NA | NA | NA | 555 (62.2) | 0.5 (0.5–0.6) | 0.9 (0.6–1.2) | |||||
| Facility Type | Clinic setting | 1140 (71.7) | ref | <.0001 | ref | <.0001 | 1154 (71.1) | ref | <.0001 | ref | <.0001 |
| Ebola Facility | 1855 (62.2) | 0.7 (0.6–0.7) | 0.8 (0.7–0.9) | 1393 (65.8) | 0.8 (0.7–0.9) | 0.8 (0.7–0.9) | |||||
| Hospital | 2524 (73.5) | 1.1 (1.0–1.3) | 1.2 (1.0–1.3) | 2279 (75.6) | 1.3 (1.1–1.4) | 1.1 (0.9–1.3) | |||||
| Other/Not reported | 415 (67) | 0.8 (0.7–1.0) | 1.0 (0.8–1.2) | 794 (65.5) | 0.8 (0.7–0.9) | 1.0 (0.7–1.3) | |||||
| Vaccination Status | Unvaccinated | 2769 (62.1) | ref | <.0001 | |||||||
| Vaccinated | 3165 (75.9) | 1.9 (1.8–2.1) | |||||||||
| . | 6 Months Postenrollment (All Participants, n = 8626) . | 6 Months Postvaccination (All Vaccinated, n = 7979) . | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| . | Compliant . | Univariable . | Multivariable . | Compliant . | Univariable . | Multivariable . | |||||
| . | N (%) . | Odds Ratio (95% CI) . | Factor- Level P Value . | N (%) . | Factor- Level P Value . | N (%) . | Odds Ratio (95% CI) . | Factor Level P Value . | Odds Ratio (95% CI) . | Factor- Level P Value . | |
| Randomization Arm | Deferred Vaccination | 2769 (64.2) | ref | <.0001 | ref | <.0001 | 2455 (64.4) | ref | <.0001 | ref | <.0001 |
| Immediate Vaccination | 3165 (73.4) | 1.5 (1.4–1.7) | 1.6 (1.4–1.7) | 3165 (76.1) | 1.8 (1.6–1.9) | 1.9 (1.7–2.1) | |||||
| Enrollment Site | Western Rural | 1189 (62.9) | ref | <.0001 | ref | <.0001 | 1118 (64.1) | ref | <.0001 | ref | <.0001 |
| Western Urban | 2176 (67.1) | 1.2 (1.1–1.4) | 0.9 (0.8–1.1) | 2021 (69.5) | 1.3 (1.1–1.4) | 1.1 (0.9–1.2) | |||||
| Bombali | 989 (82.3) | 2.7 (2.3–3.3) | 2.1 (1.8–2.6) | 861 (75.7) | 1.7 (1.5–2.1) | 1.5 (1.2–1.8) | |||||
| Tonkolili | 523 (71.5) | 1.5 (1.2–1.8) | 1.2 (1.0–1.4) | 595 (84.6) | 3.1 (2.5–3.9) | 2.6 (2.1–3.3) | |||||
| Port Loko (Port Loko) | 523 (60.7) | 0.9 (0.8–1.1) | 0.8 (0.6–0.9) | 508 (61.8) | 0.9 (0.8–1.1) | 0.8 (0.7–1.0) | |||||
| Port Loko (Lunsar) | 296 (74.7) | 1.8 (1.4–2.2) | 1.4 (1.1–1.9) | 284 (78.0) | 2.0 (1.5–2.6) | 1.7 (1.3–2.3) | |||||
| Port Loko (Kaffu Bullom) | 238 (79.1) | 2.2 (1.7–3.0) | 1.7 (1.3–2.3) | 233 (80.3) | 2.3 (1.7–3.1) | 2.0 (1.4–2.7) | |||||
| Age (tertiled) years | 18.0–27.5 | 1820 (63.3) | ref | <.0001 | ref | <.0001 | 1747 (65.8) | ref | <.0001 | ref | <.0001 |
| 27.5–35.4 | 2017 (70.1) | 1.4 (1.2–1.5) | 1.3 (1.2–1.5) | 1896 (71.9) | 1.3 (1.2–1.5) | 1.3 (1.1–1.4) | |||||
| 35.4–79.5 | 2097 (72.9) | 1.6 (1.4–1.8) | 1.4 (1.3–1.6) | 1977 (73.9) | 1.5 (1.3–1.7) | 1.3 (1.2–1.5) | |||||
| Gender | Male | 3568 (68.2) | ref | .1761 | 3466 (69.0) | ref | .0001 | ||||
| Female | 2366 (69.6) | 1.1 (1.0–1.2) | 2154 (73.1) | 1.2 (1.1–1.4) | |||||||
| Occupation | Nursea | 2071 (72.1) | ref | <.0001 | ref | <.0001 | 1769 (75.8) | ref | <.0001 | ref | <.0001 |
| Doctor | 19 (79.2) | 1.5 (0.6–3.9) | 1.3 (0.5–3.4) | 16 (80) | 1.3 (0.4–3.8) | 1.0 (0.3–3.0) | |||||
| Pharmacist | 25 (64.1) | 0.7 (0.4–1.3) | 0.6 (0.3–1.2) | 25 (64.1) | 0.6 (0.3–1.1) | 0.6 (0.3–1.1) | |||||
| Allied Health Professionalb | 101 (67.8) | 0.8 (0.6–1.2) | 0.8 (0.5–1.1) | 93 (71.5) | 0.8 (0.5–1.2) | 0.8 (0.5–1.2) | |||||
| Community health worker | 110 (61.8) | 0.6 (0.5–0.9) | 0.7 (0.5–0.9) | 97 (64.2) | 0.6 (0.4–0.8) | 0.6 (0.4–0.8) | |||||
| Laboratory worker | 218 (80.1) | 1.6 (1.2–2.1) | 1.6 (1.2–2.2) | 216 (80.3) | 1.3 (0.9–1.8) | 1.5 (1.1–2.0) | |||||
| Frontline workerc | 2716 (65.4) | 0.7 (0.7–0.8) | 0.8 (0.8–0.9) | 2281 (67.7) | 0.7 (0.6–0.8) | 0.8 (0.7–0.9) | |||||
| Surveillance worker | 361 (72.8) | 1.0 (0.8–1.3) | 1.2 (1.0–1.5) | 312 (76.1) | 1.0 (0.8–1.3) | 1.2 (0.9–1.6) | |||||
| Other/Not reported | 313 (70.7) | 0.9 (0.8–1.2) | 1.0 (0.8–1.2) | 256 (72.9) | 0.9 (0.7–1.1) | 0.9 (0.7–1.1) | |||||
| Not currently workingd | NA | NA | NA | 555 (62.2) | 0.5 (0.5–0.6) | 0.9 (0.6–1.2) | |||||
| Facility Type | Clinic setting | 1140 (71.7) | ref | <.0001 | ref | <.0001 | 1154 (71.1) | ref | <.0001 | ref | <.0001 |
| Ebola Facility | 1855 (62.2) | 0.7 (0.6–0.7) | 0.8 (0.7–0.9) | 1393 (65.8) | 0.8 (0.7–0.9) | 0.8 (0.7–0.9) | |||||
| Hospital | 2524 (73.5) | 1.1 (1.0–1.3) | 1.2 (1.0–1.3) | 2279 (75.6) | 1.3 (1.1–1.4) | 1.1 (0.9–1.3) | |||||
| Other/Not reported | 415 (67) | 0.8 (0.7–1.0) | 1.0 (0.8–1.2) | 794 (65.5) | 0.8 (0.7–0.9) | 1.0 (0.7–1.3) | |||||
| Vaccination Status | Unvaccinated | 2769 (62.1) | ref | <.0001 | |||||||
| Vaccinated | 3165 (75.9) | 1.9 (1.8–2.1) | |||||||||
Abbreviations: CI, confidence interval; ref, reference category; NA, not applicable.
aIncludes nurse, midwife, community health nurse, nursing aide, maternal-child health aide, nursing student, and vaccinator.
bIncludes pharmacist, dentist, medical counselor, nutritionist, and physiotherapist.
cIncludes contact tracers, ambulance crew, burial workers, cleaners, and swabbers (persons taking post mortem skin/mucosal swabs for Ebola testing).
dCurrent occupation information was updated for deferred crossover participants during the crossover period. Many were no longer working as the Ebola outbreak subsided, and Ebola response jobs ended. Crossover participants were offered vaccination regardless of work status.
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