Table 1 Demographic characteristic of participants and reported ILI during epidemic and non-epidemic period
Characteristics | Reported ILI within two weeks during epidemic period | Reported ILI within 3 months during non-epidemic period | ||||
|---|---|---|---|---|---|---|
n | % Yes | 95% CI | n | % Yes | 95% CI | |
All respondents | 7320 | 6.7 | 6.1–7.3 | 7345 | 4.2 | 3.7–4.7 |
Age | ||||||
18–59 | 5870 | 6.6 | 6.0–7.3 | 5934 | 3.9 | 3.4–4.4 |
≥ 60 | 1450 | 7.0 | 5.7–8.3 | 1420 | 5.3 | 4.1–6.4 |
Gender | ||||||
Male | 3647 | 6.1 | 5.4–6.9 | 3618 | 3.9 | 3.3–4.5 |
Female | 3673 | 7.2 | 6.4–8.1 | 3736 | 4.4 | 3.8–5.1 |
Level of education | ||||||
Less than high school | 2793 | 6.6 | 5.7–7.6 | 2386 | 3.9 | 3.2–4.6 |
High school graduate | 2146 | 6.7 | 5.6–7.7 | 2237 | 4.1 | 3.3–4.9 |
College school graduate | 2330 | 7.3 | 6.2–8.3 | 2406 | 4.5 | 3.7–5.4 |
Marriage status | ||||||
Married | 829 | 7.2 | 5.5–9.0 | 937 | 3.1 | 2.0–4.2 |
Divorced | 6115 | 6.6 | 6.0–7.2 | 6083 | 4.3 | 3.8–4.8 |
Unmarried | 267 | 11.2 | 7.4–15.0 | 332 | 4.8 | 2.5–7.1 |
Employment status | ||||||
Student | 250 | 6.8 | 3.7–9.9 | 272 | 4.0 | 1.7–6.4 |
Employed | 5317 | 6.5 | 5.8–7.2 | 5430 | 4.0 | 3.4–4.5 |
Retired | 998 | 7.7 | 6.0–9.4 | 999 | 5.2 | 3.8–6.6 |
Homemaker/unemployed | 469 | 7.7 | 5.3–10.1 | 445 | 3.4 | 1.7–5.1 |
Others | 258 | 8.5 | 5.1–12.0 | 207 | 6.3 | 2.9–9.6 |