Table 5.
Predictors of influenza vaccination (IV) behaviors among parents of children aged 6 to 23 months who had heard of IV (N = 369)
| |
Ever had influenza vaccination |
Vaccinated since September 2005 |
Inclined to be vaccinated in the next year |
||||||
|---|---|---|---|---|---|---|---|---|---|
| Row% # | OR u | OR m (95% CI) | Row% # | OR u | OR m (95% CI) | Row% # | OR u | OR m (95% CI) | |
| Perceived chances for children aged 6-23 months to contract influenza as compared to the general public (perceived susceptibility) | |||||||||
| Much lower/lower/same |
7.7 |
1.00 |
|
7.7 |
1.00 |
|
38.7 |
1.00 |
|
| Higher/much higher |
11.2 |
1.51 |
NA |
10.3 |
1.37 |
NA |
42.5 |
1.17 |
NA |
| Perceived health impact on own child if contracting influenza (perceived severity) |
|
|
|
|
|
|
|||
| No effect/mild |
2.9 |
1.00 |
|
2.9 |
1.00 |
|
26.5 |
1.00 |
1.00 |
| Moderate |
7.0 |
2.50 |
|
7.0 |
2.50 |
|
26.1 |
0.98 |
0.75 (0.30 – 1.85) |
| Severe/very severe |
13.0 |
4.91 |
NA |
11.9 |
4.46 |
NA |
54.4 |
3.31** |
2.69 (1.13 – 6.42)* |
| Perceived consequences of contracting influenza in children aged 6-23 months compared to the general public (perceived severity) |
|
|
|
|
|
|
|||
| Much less severe/less severe/same |
8.0 |
1.00 |
|
8.0 |
1.00 |
|
35.0 |
1.00 |
|
| Much more severe/much severe |
10.8 |
1.38 |
NA |
9.9 |
1.26 |
NA |
44.4 |
1.48 |
NA |
| Perceived benefits of IV in reducing at least risk of influenza-induced complications, hospitalization or death (perceived benefits) |
|
|
|
|
|
|
|||
| Else |
6.8 |
1.00 |
|
6.8 |
1.00 |
|
15.9 |
1.00 |
1.00 |
| Yes |
10.2 |
1.55 |
NA |
9.5 |
1.44 |
NA |
44.3 |
4.21* |
3.20 (1.29 – 7.93)* |
| Perceived side effects of IV (perceived barrier) |
|
|
|
|
|
|
|||
| No |
31.7 |
1.00 |
1.00 |
31.7 |
1.00 |
1.00 |
61.9 |
1.00 |
1.00 |
| Yes |
7.2 |
0.17** |
0.17 (0.06 – 0.43)** |
6.1 |
0.14** |
0.16 (0.06 – 0.40)** |
38.9 |
0.39** |
0.51 (0.27 – 0.98)* |
| Do not know |
2.4 |
0.05** |
0.06 (0.01 – 0.24)** |
2.4 |
0.05** |
0.06 (0.02 – 0.25)** |
33.3 |
0.31** |
0.37 (0.18 – 0.74)** |
| Recommendation from healthcare professionals to uptake IV (cue to action) |
|
|
|
|
|
||||
| No |
4.5 |
1.00 |
1.00 |
4.5 |
1.00 |
1.00 |
37.9 |
1.00 |
1.00 |
| Yes |
53.8 |
24.50** |
17.65 (7.10 – 43.89)** |
48.7 |
19.95** |
17.28 (6.97 – 42.83)** |
66.7 |
3.28** |
2.31 (1.04 – 5.12)* |
| Awareness of Government’s recommendation on children aged 6–23 months to uptake IV(cue to action) |
|
|
|
|
|
|
|||
| No |
6.6 |
1.00 |
1.00 |
6.6 |
1.00 |
|
37.5 |
1.00 |
|
| Yes |
19.1 |
3.36** |
2.81 (1.03 – 7.67)* |
17.4 |
2.99** |
|
53.9 |
1.95** |
|
| Do not know |
3.9 |
0.58 |
0.83 (0.20 – 3.42) |
3.9 |
0.58 |
NS |
31.4 |
0.76 |
NS |
| The largest amount willing to pay for IV (HK$)a |
|
|
|
|
|
|
|||
| 0 |
2.8 |
1.00 |
|
2.8 |
1.00 |
|
16.7 |
1.00 |
|
| 1 – 150 |
11.0 |
4.34 |
|
11.0 |
4.34 |
|
36.2 |
2.84* |
|
| 151 – 300 |
9.7 |
3.76 |
|
7.8 |
2.95 |
|
50.5 |
5.10** |
|
| >300 | 10.7 | 4.18 | NA | 10.7 | 4.18 | NA | 45.6 | 4.20** | NS |
#Valid percentages were reported (i.e. missing values were not included in the denominator) and the frequencies therefore may not sum up to the total.
*-- p < 0.05; **-- p < 0.01; ORu-- univariate odds ratio; ORm- multivariate odds ratio obtained from multivariate stepwise logistic regression; NA: not chosen for multivariate logistic regression analyses as the factor was statistically non-significant in the univariate logistic regression analysis; NS: not statistically significant in the multivariate logistic regression. Variables that were significant in the p < 0.05 level were bolded.
aHK$1 = US$ 0.13.