| Trends in influenza vaccinated | |||||||
|---|---|---|---|---|---|---|---|
| Pre-COVID-19 pandemic era | COVID-19 pandemic | ||||||
| 2007–2008 | 2009–2010 | 2011–2012 | 2014–2015 | 2016–2017 | 2018–2019 | 2020 | |
| Number, n (%) | 3,598 (11.51) | 4,959 (15.86) | 4,998 (15.99) | 4,324 (13.83) | 5,247 (16.78) | 5,507 (17.62) | 2,630 (8.41) |
| Weighted % (95% CI) | |||||||
| Overall | 27.6 (26.2–29.0) | 27.7 (26.5–28.8) | 32.5 (31.1–33.9) | 33.0 (31.7–34.3) | 35.9 (34.7–37.0) | 38.7 (37.4–40.1) | 42.2 (40.0–44.3) |
| Age, years | |||||||
| 14–18 | 13.5 (10.0–16.9) | 17.8 (14.6–21.1) | 25.4 (21.7–29.2) | 22.1 (18.7–25.6) | 18.9 (15.7–22.1) | 27.2 (23.1–31.3) | 43.0 (34.7–51.3) |
| 19–64 | 22.5 (21.2–23.8) | 21.2 (20.1–22.2) | 25.7 (24.3–27.0) | 25.3 (24.0–26.7) | 28.2 (27.1–29.4) | 30.2 (28.8–31.6) | 34.7 (32.5–36.9) |
| ≥65 | 72.9 (70.2–75.5) | 75.7 (73.4–77.9) | 78.7 (76.6–80.7) | 81.0 (79.1–82.9) | 83.4 (81.8–85.0) | 85.5 (83.8–87.1) | 81.4 (78.8–84.0) |
| Sex | |||||||
| Male | 24.0 (22.4–25.7) | 24.2 (22.9–25.6) | 28.4 (26.7–30.1) | 27.5 (26.0–29.1) | 30.8 (29.4–32.3) | 33.6 (32.0–35.2) | 37.6 (35.0–40.3) |
| Female | 31.1 (29.4–32.8) | 31.1 (29.7–32.5) | 36.5 (34.9–38.1) | 38.3 (36.6–39.9) | 40.8 (39.3–42.3) | 43.8 (42.2–45.4) | 46.8 (44.2–49.5) |
| Income | |||||||
| Lowest quartile | 24.8 (22.4–27.2) | 25.4 (23.3–27.5) | 32.1 (29.8–34.4) | 32.3 (29.8–34.8) | 34.6 (32.3–36.9) | 38.1 (35.6–40.6) | 38.9 (35.5–42.4) |
| Second quartile | 27.5 (25.2–29.9) | 28.1 (26.1–30.2) | 32.4 (29.9–34.9) | 31.4 (29.0–33.8) | 35.0 (32.8–37.1) | 37.0 (34.6–39.4) | 42.2 (38.4–45.9) |
| Third quartile | 27.6 (25.2–29.9) | 27.3 (25.3–29.2) | 32.9 (30.5–35.2) | 32.8 (30.5–35.1) | 35.7 (33.6–37.9) | 38.6 (36.3–41.0) | 45.0 (41.4–48.6) |
| Highest quartile | 30.2 (27.6–32.8) | 30.1 (28.1–32.1) | 32.7 (30.4–35.0) | 35.5 (33.2–37.8) | 38.1 (35.7–40.5) | 41.1 (38.8–43.5) | 42.4 (38.6–46.1) |
| Education | |||||||
| High school or lower | 32.3 (30.4–34.1) | 32.4 (30.8–34.0) | 38.0 (36.3–39.7) | 39.2 (37.5–40.8) | 43.9 (42.3–45.4) | 46.7 (45.0–48.4) | 50.8 (47.9–53.6) |
| College or higher | 19.6 (17.8–21.4) | 20.1 (18.6–21.6) | 24.0 (22.3–25.7) | 25.5 (23.8–27.2) | 27.3 (25.8–28.7) | 30.6 (28.9–32.3) | 34.3 (31.8–36.7) |
| Alcohol consumption | |||||||
| No | 35.9 (33.1–38.7) | 40.4 (37.7–43.2) | 43.5 (40.3–46.8) | 43.0 (40.2–45.7) | 46.9 (44.0–49.9) | 49.7 (46.6–52.9) | 55.8 (50.0–61.6) |
| Yes | 26.1 (24.7–27.6) | 25.5 (24.3–26.6) | 30.7 (29.3–32.1) | 31.4 (30.0–32.7) | 34.2 (33.0–35.5) | 37.3 (35.9–38.7) | 40.4 (38.3–42.5) |
| Smoking | |||||||
| Non-smoker | 28.7 (27.1–30.3) | 29.6 (28.2–31.0) | 34.9 (33.2–36.6) | 35.5 (33.9–37.1) | 38.3 (36.8–39.7) | 41.6 (40.0–43.3) | 45.5 (42.8–48.2) |
| Smoker | 20.9 (18.7–23.1) | 19.2 (17.4–20.9) | 23.7 (21.6–25.8) | 22.0 (19.8–24.2) | 24.8 (22.8–26.8) | 26.0 (23.9–28.1) | 30.9 (27.0–34.7) |
| Ex-smoker | 33.0 (30.4–35.6) | 33.2 (31.1–35.4) | 36.3 (33.7–38.9) | 36.7 (34.3–39.1) | 39.8 (37.6–41.9) | 42.2 (40.0–44.5) | 42.6 (39.0–46.2) |
| Nationwide health screening within 2 years | |||||||
| Yes | 34.8 (33.0–36.7) | 34.3 (32.6–35.9) | 38.5 (36.8–40.3) | 38.1 (36.5–39.7) | 40.9 (39.4–42.4) | 42.9 (41.4–44.5) | 46.8 (44.3–49.2) |
| No | 21.6 (20.1–23.2) | 21.5 (20.2–22.8) | 26.4 (24.7–28.1) | 26.6 (25.0–28.3) | 27.7 (26.1–29.3) | 31.1 (29.2–32.9) | 33.7 (30.8–36.5) |
| Medical condition | |||||||
| With medical condition | 43.3 (40.8–45.8) | 44.2 (42.2–46.2) | 49.9 (47.7–52.1) | 50.7 (48.7–52.7) | 53.6 (51.7–55.5) | 56.3 (54.3–58.2) | 55.7 (52.8–58.7) |
| Without medical condition | 22.1 (20.6–23.6) | 21.5 (20.3–22.7) | 26.0 (24.6–27.5) | 25.6 (24.2–26.9) | 27.4 (26.1–28.6) | 30.1 (28.6–31.6) | 35.0 (32.6–37.4) |