| Characteristic | Intervention group (n = 224), n (%) | Control group (n = 265), n (%) |
| Age (years) |
|
|
| 18 - 29 | 126 (56.25) | 95 (35.85) |
| 30 - 50 | 89 (39.73) | 146 (55.09) |
| >50 | 9 (4.02) | 24 (9.06) |
| Sex |
|
|
| Male | 75 (33.48) | 57 (21.51) |
| Female | 149 (66.52) | 208 (78.49) |
| Profession |
|
|
| Doctor | 24 (10.71) | 16 (6.04) |
| Nurse | 138 (61.61) | 150 (56.60) |
| Lab scientist | 42 (18.75) | 60 (22.64) |
| Cleaner | 15 (6.70) | 26 (9.81) |
| Others | 5 (2.23) | 13 (4.91) |
| Work experience (years) |
|
|
| 0 - 5 | 149 (66.52) | 126 (47.55) |
| 6 - 10 | 45 (20.09) | 73 (27.55) |
| >10 | 30 (13.39) | 66 (24.91) |
| Income (XAF) |
|
|
| <100,000 | 166 (74.11) | 150 (56.60) |
| 100,000 - 200,000 | 39 (17.41) | 88 (33.21) |
| >200,000 | 19 (8.48) | 27 (10.19) |
| Sector |
|
|
| Public | 120 (53.57) | 141 (53.21) |
| Private | 104 (46.43) | 124 (46.79) |
| Vaccination policy |
|
|
| Yes | 52 (23.21) | 63 (23.77) |
| No | 172 (76.79) | 202 (76.23) |