Table 5.
Factors associated with influenza vaccination uptake in people aged ≥60 years, Germany, 2013/14 influenza season
| Vaccination coverage %a, b | Univariate OR (95 % CI)a, b | Multivariable OR (95 % CI)a, c | |
|---|---|---|---|
| Sex | |||
| Female | 53.4 | 1.43 (0.97–2.11) | -- |
| Male | 44.4 | Ref. | |
| Underlying chronic disease | |||
| Yes | 56.3 | 2.07 (1.39–3.09) | -- |
| No | 38.4 | Ref. | |
| Sex and chronic diseasee | |||
| Male and no chronic disease | 28.2 | -- | Ref. |
| Male and chronic disease | 54.1 | 2.10 (0.81–5.43) | |
| Female and no chronic disease | 46.6 | 4.80 (1.72–13.43) | |
| Female and chronic disease | 58.1 | 2.13 (0.73–6.19) | |
| Place of residence | |||
| Eastern Federal States | 62.8 | 1.97 (1.26–3.10) | NS |
| Western Federal States | 46.1 | Ref. | |
| Age | |||
| 60–69 years | 39.4 | Ref. | Ref. |
| 70–79 years | 59.2 | 2.23 (1.46–3.40) | 2.67 (1.42–5.03) |
| ≥80 years | 53.5 | 1.77 (0.97–3.20) | 1.89 (0.73–4.89) |
| Education level | |||
| Low | 51.9 | Ref. | NS |
| Middle | 43.5 | 0.71 (0.47–1.08) | |
| High | 43.8 | 0.72 (0.49–1.06) | |
| Being advised of the influenza vaccination through physician consultation in the last 6 months | |||
| Yes | 63.0 | 2.87 (1.89–4.37) | 2.63 (1.44–4.84) |
| No | 37.2 | Ref. | Ref. |
| Vaccination cannot cause influenza infection | |||
| Agreed | 62.0 | 2.62 (1.77–3.90) | NS |
| Disagreed | 38.4 | Ref. | |
| Vaccination protects people in close surroundings | |||
| Agreed | 54.9 | 1.57 (1.06–2.33) | NS |
| Disagreed | 43.6 | Ref. | |
| After immunization or infection with influenza, vaccination in subsequent influenza season is necessary | |||
| Agreed | 52.5 | 1.64 (1.02–2.63) | NS |
| Disagreed | 40.3 | Ref. | |
| Perceived probability of getting infected with influenza when not immunized | − | 1.44 (1.28–1.61) | NS |
| Perceived severity of influenza when not immunized | − | 1.56 (1.41–1.71) | 1.31 (1.13–1.52) |
| Perceived vaccination effectiveness | − | 1.59 (1.45–1.74) | 1.42 (1.24–1.62) |
| Perceived severity of side effects following vaccination | − | 0.83 (0.76–0.90) | NS |
| Perceived probability of severe side effects following vaccination | − | 0.77 (0.70–0.85) | 0.69 (0.61–0.80) |
Other nonsignificant variables in univariate analysis (p > 0.1) were: migration and items focusing on influenza- and vaccination-related knowledge
aWeighted data; bIncluded participants with information on relevant item; cIncluded n = 550 participants with complete information on all items; NS not significant; Ref. reference category; e p-value for interaction between sex*chronic disease: 0.012