Table 3.
Students’ knowledge scores on sections PPE, respiratory and cough etiquette, safe needle precautions, and biomedical waste management and immunization - before and after IPC intervention
| Variables | Knowledge score before IPC intervention | Knowledge score after IPC intervention | McNemar test p value |
|---|---|---|---|
| Correct responses: frequencies (n) and percentage (%) | Correct responses: frequencies (n) and percentage (%) | ||
| Section C: Personal protective equipment [PPEs]. | |||
| There is no need to change the gloves between the patients’ examination ['FALSE']. | 99 (79.2%) | 123 (98.4%) | <0.001 |
| Oral cavity examination of a patient requires wearing of gloves ['TRUE']. | 112 (89.6%) | 120 (96%) | 0.096 |
| Wearing gloves while withdrawing venous blood is essential ['TRUE']. | 101 (80.8%) | 119 (95.2%) | 0.001 |
| Wearing face shield and mask is essential while dressing burns wound ['FALSE']. | 71 (56.8%) | 106 (84.8%) | <0.001 |
| Correct knowledge about steps of donning PPEs [ONE CORRECT OPTION]. | 58 (46.4%) | 122 (97.6%) | <0.001 |
| Correct knowledge about steps of doffing of PPEs [ONE CORRECT OPTION]. | 17 (13.6%) | 123 (98.4%) | <0.001 |
| Section D: Respiratory hygiene and cough etiquette | |||
| Correct knowledge about difference between droplet and airborne infection [ONE OPTION]. | 55 (44%) | 118 (94.4%) | <0.001 |
| Cough/sneeze on your palms and clean the hands with alcohol rub ['FALSE']. | 61 (48.8%) | 121 (96.8%) | <0.001 |
| Cough/sneeze over shoulder if a napkin is not available ['TRUE']. | 74 (59.2%) | 110 (88%) | <0.001 |
| Keep 3 feet distance from others when coughing ['TRUE']. | 89 (71.2%) | 122 (97.6%) | <0.001 |
| Wipe your hands on the inside of your white coat after you cough or sneeze ['FALSE']. | 93 (74.4%) | 119 (95.2%) | <0.001 |
| N95 mask must be thrown away after each use. | 76 (60.8%) | 117 (93.6%) | <0.001 |
| Section E: Safe sharp and needle precautions | |||
| Healthcare providers are at risk of acquiring HIV following needle stick injuries ['TRUE']. | 122 (97.6%) | 122 (97.6%) | 1.000 |
| HBV and HCV can be transmitted through needle stick injuries ['TRUE']. | 115 (92%) | 121 (96.8%) | 0.180 |
| After withdrawing blood from a patient, immediately recap the needle ['FALSE']. | 54 (43.2%) | 116 (92.8%) | <0.001 |
| Injection needles should be bent or broken after use ['TRUE']. | 51 (40.8%) | 97 (77.6%) | <0.001 |
| Used injection needles should be disposed of into leak proof container ['TRUE']. | 82 (65.6%) | 117 (93.6%) | <0.001 |
| The appropriate immediate action after pricking finger by I.V. line needle is dressing wound and inform infection control supervisor ['TRUE']. | 89 (71.2%) | 121 (96.8%) | <0.001 |
| Section F: Knowledge about recommended vaccines for HCWs and biomedical waste management | |||
| For the prevention of hepatitis B, immunizations are recommended for all healthcare workers ['TRUE']. | 114 (91.2%) | 122 (97.6%) | 0.057 |
| Infective wastes such as soiled dressing material, human tissues etc. are disposed of into yellow coded container ['TRUE']. | 56 (44.8%) | 117 (93.6%) | <0.001 |
| Surfaces contaminated with blood spillage in the hospital are disinfected by using sodium hypochlorite solution ['TRUE']. | 48 (38.4%) | 118 (94.4%) | <0.001 |
McNemar test was used for data analysis.