Cases (193) | Control (411) | Odds ratio (Adjusted) | ||||||
---|---|---|---|---|---|---|---|---|
Count | % | Count | % | value | 95 % CI | p-value | ||
Knowledge | ||||||||
Knowing oneself to be in the recommended group for flu vaccine | 37 | 19.6 | 25 | 6.1 | 2.34 | 1.23 | 4.44 | 0.01 |
Knowing flu vaccine provides 70–90 % protection in healthy adults | 89 | 46.6 | 140 | 34.1 | 1.86 | 1.12 | 3.10 | 0.02 |
Knowing about the Government Vaccination Programme | 128 | 68.0 | 219 | 53.5 | 1.09 | 0.68 | 1.75 | 0.72 |
Knowing flu vaccine reduces flu complications and related hospitalisation | 180 | 97.8 | 366 | 93.4 | 0.89 | 0.25 | 3.19 | 0.86 |
Needs | ||||||||
Live with children < 6 years or elderly >65 years | 53 | 27.5 | 85 | 20.7 | 1.23 | 0.74 | 2.04 | 0.43 |
Presence of chronic disease(s) | 78 | 40.4 | 111 | 27.1 | 1.13 | 0.65 | 1.96 | 0.67 |
Visited doctors in the past 3 months | 92 | 47.7 | 141 | 34.3 | 1.12 | 0.67 | 1.87 | 0.68 |
Behaviour | ||||||||
Current smoker | 16 | 8.3 | 20 | 4.9 | 0.72 | 0.27 | 1.92 | 0.52 |
Current drinker | 34 | 17.6 | 80 | 19.5 | - | - | - | - |
Belief & perception | ||||||||
Perceived having severe or moderate symptoms when contracting flu | 17 | 8.8 | 15 | 3.6 | 2.90 | 1.21 | 6.97 | 0.02 |
Perceived flu vaccine to be safe | 183 | 98.4 | 342 | 89.8 | 3.99 | 0.78 | 20.41 | 0.10 |
Believed flu vaccine has additional benefits other than flu protection | 181 | 93.8 | 356 | 87.3 | 1.36 | 0.58 | 3.21 | 0.48 |
Health-care system | ||||||||
Eligible for free government vaccine | 45 | 23.6 | 21 | 5.1 | 6.38 | 3.43 | 11.87 | <0.001 |
Willing to receive flu vaccination for free | 184 | 95.8 | 309 | 75.7 | 4.84 | 2.13 | 11.03 | <0.001 |
Convenient to reach a vaccination location | 187 | 96.9 | 370 | 90.0 | 2.87 | 1.06 | 7.74 | 0.04 |
Prefer public clinic for injection | 105 | 54.7 | 291 | 71.0 | 0.35 | 0.22 | 0.55 | <0.001 |
Will respond to Government telephone reminder service on flu shot | 105 | 54.4 | 160 | 39.6 | 0.84 | 0.51 | 1.38 | 0.49 |
Advice | ||||||||
Accept advice from health professionals | 183 | 94.8 | 333 | 81.2 | 2.67 | 1.19 | 5.99 | 0.02 |
Had family member receive flu vaccine | 76 | 41.8 | 74 | 18.3 | 2.47 | 1.54 | 3.95 | <0.001 |
Accept advice from relatives and friends | 86 | 44.8 | 101 | 24.6 | 1.47 | 0.84 | 2.56 | 0.18 |
External factors | ||||||||
Will receive flu vaccine when there is an epidemic | 181 | 94.8 | 327 | 81.3 | 2.40 | 1.07 | 5.37 | 0.03 |