| Variables | Mean (SD) | Frequency | Percentage (%) |
|---|
| Age | 43.85 (15.80) | | |
| Gender |
| Male | | 110 | 37.4 |
| Female | | 184 | 62.6 |
| Ethnicity |
| Malay | | 289 | 98.7 |
| Chinese | | 0 | 0 |
| Indian | | 1 | 0.3 |
| Others | | 3 | 1.0 |
| Marital status |
| Single | | 85 | 28.9 |
| Married | | 198 | 67.4 |
| Divorced/widowed | | 11 | 3.7 |
| Occupation |
| Student | | 20 | 6.8 |
| Civil servant | | 76 | 26.0 |
| Private sector | | 92 | 31.5 |
| Pensioner | | 45 | 15.6 |
| Housewife | | 32 | 10.9 |
| Self-employed | | 27 | 9.2 |
| Highest level of education |
| PhD | | 4 | 1.4 |
| Master’s degree | | 20 | 6.8 |
| Bachelor’s degree | | 58 | 19.7 |
| Diploma | | 93 | 31.6 |
| Secondary school | | 107 | 36.4 |
| Primary school | | 12 | 4.1 |
| History of vaccination |
| Meningococcal vaccine | | 111 | 37.8 |
| Influenza (flu) vaccine | | 52 | 17.7 |
| Pneumococcal vaccine | | 25 | 8.5 |
| Presence of Co-morbidities |
| Chronic lung disease | | 4 | 1.4 |
| Neuromuscular disease | | 10 | 3.4 |
| Allergic rhinitis | | 5 | 1.7 |
| Diabetes | | 21 | 7.1 |
| Hypertension | | 46 | 15.6 |
| Heart disease | | 8 | 2.7 |
| Chronic kidney disease | | 2 | 0.7 |
| Immune deficiency disorders | | 1 | 0.3 |
