Table 2.
Median hand hygiene knowledge score (interquartile range)—Abatoir and Tiro healthcare centers
| Baseline | First follow-up | P-valuea | Second follow-up | P-valuea | P-valueb | |
|---|---|---|---|---|---|---|
| Overall knowledge score | 11.0 (8.0–15.0) | 16.0 (14.0–18.0) | <0.001 | 15.0 (13.0–17.0) | <0.001 | 0.101 |
| By professional categories | ||||||
| Medical doctor | 14.5 (14.0–15.0) | 16.0 (13.0–19.0) | 1.000 | 18.0 (18.0–18.0) | 0.221 | 1.000 |
| Nursing staff | 11.0 (7.0–15.0) | 16.0 (14.0–18.0) | <0.001 | 15.0 (13.0–17.0) | <0.001 | 0.139 |
| Midwife | 8.0 (7.0–18.0) | 18.0 (15.0–21.0) | 0.184 | NA | NA | NA |
| Laboratory technician | 11.0 (8.0–14.0) | 14.5 (10.0–21.0) | 0.346 | 15.0 (11.0–17.0) | 0.169 | 0.914 |
a
P-value calculated with Wilcoxon rank-sum test compared to baseline.
b
P-value calculated with Wilcoxon rank-sum test compared to first follow-up.