Table 6.
Four classes in the influenza vaccine group.
| Influenza vaccine (N = 763) | ||||||||
|---|---|---|---|---|---|---|---|---|
| Class | 1 | 2 | 3 | 4 | ||||
| Share | 34.00% | 27.75% | 22.41% | 15.84% | ||||
| Attribute | OR | 95% CI | OR | 95% CI | OR | 95% CI | OR | 95% CI |
| Effectiveness (base:40%) | ||||||||
| 70% | 1.39a | 1.27, 1.53 | 1.07a | 0.99, 1.15 | 1.60a | 1.18, 2.16 | NS | |
| 90% | 2.14a | 1.96, 2.34 | 1.09a | 1.03, 1.16 | 5.71a | 4.08, 8.15 | 4.44a | 1.40, 6.04 |
| Protection duration (base: 6 months) | ||||||||
| 1 year | 1.23a | 1.14, 1.31 | NS | 1.96a | 1.06, 3.63 | NS | ||
| Sequelae possibility (base: Middle) | ||||||||
| Low | 1.48a | 1.36, 1.61 | 1.13a | 1.07, 1.18 | 6.72a | 2.88, 15.64 | 1.21a | 0.56, 2.63 |
| Country-of-origin (base: imported products) | ||||||||
| Domestic | 1.17a | 1.11, 1.22 | 0.88a | 0.83, 0.93 | 1.60a | 1.20, 2.13 | 0.64a | 0.14, 2.99 |
| Out-of-pocket cost (CNY) (base:0) | ||||||||
| 150 | 0.56a | 0.52, 0.61 | 1.27a | 1.19, 1.35 | 0.40a | 0.22, 0.72 | NS | |
| 300 | 0.37a | 0.32, 0.43 | 1.21a | 1.12, 1.31 | 0.21b | 0.05, 0.85 | 0.77b | 0.34, 1.72 |
| Class membership | Coef. | 95% CI | Coef. | 95% CI | Coef. | 95% CI | Baseline | |
|---|---|---|---|---|---|---|---|---|
| Age | 0.04a | 0.02, 0.06 | NS | 0.04a | 0.02, 0.06 | |||
| Married | NS | 0.36a | 0.16, 0.57 | NS | ||||
| Education | −0.20b | −0.38, −0.01 | NS | NS | ||||
| Unhealthy | −0.16a | −0.29, −0.03 | −0.07a | −0.13, −0.02 | 0.51a | 0.34, 0.68 | ||
| Urban | 0.27a | 0.12, 0.42 | NS | NS | ||||
| Having a job | NS | −0.11b | −0.23, −0.01 | NS | ||||
| Income (CNY) | NS | −0.75b | −1.27, −0.22 | NS | ||||
| Vaccinated acquaintances | ||||||||
| Doctors | 0.71a | 0.40, 1.01 | NS | −0.87a | −1.62, −0.13 | |||
| Friends/relatives | NS | 0.66a | −0.01, 1.34 | 2.87a | 2.05, 3.68 | |||
| Influenza infection | ||||||||
| Low probability | 0.43a | 0.29, 0.58 | −0.15a | −0.24, −0.06 | −0.17a | −0.28, −0.06 | ||
| Mild harm | NS | −0.21a | −0.31, −0.11 | −0.40a | −0.59, −0.21 | |||
| Vaccine sequelae | ||||||||
| Low probability | 0.07b | 0.01, 0.12 | −0.37a | −0.52, −0.24 | 0.23a | 0.12, 0.34 | ||
| Mild | 0.44a | 0.26, 0.62 | NS | 0.44a | 0.33, 0.56 | |||
| Observations | 15,260 | |||||||
Only significant variables were displayed.
Class2: Class in the influenza vaccine group.
a Significance: p < 0.01.
b Significance: p < 0.05.
c Significance: p < 0.1.