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Table 2 Characteristics of respondents by study area (un-weighted and weighted)

From: Polarized nature of the COVID-19 pandemic in Japan: associations with population age structure and behaviours

 

Un-weighed

Weighted

p valuea

Low-COVID-19-incidence area, n = 3000

High-COVID-19-incidence area, n = 3000

Low-COVID-19-incidence area, n = 3000

High-COVID-19-incidence area, n = 3000

Sex

 Female (n, %)

1363 (45%)

1337 (45%)

1597 (53%)

1556 (52%)

0.301

 Male (n, %)

1637 (55%)

1663 (55%)

1403 (47%)

1444 (48%)

Household size (mean, 95% CI)

3.3 (3.3–3.4)

3.0 (3.0–3.1)

3.2 (3.2–3.3)

3.0 (3.0–3.1)

< 0.001

Number of family member ≥ 60 years old

1.1 (1.0–1.1)

0.9 (0.9–1.0)

1.3 (1.2–1.3)

1.1 (1.0–1.1)

< 0.001

Employment status (n, %)

 Employed

1574 (53%)

1524 (51%)

1215 (41%)

1329 (44%)

< 0.001

 Unpaid (homemaker, eldercare, etc.)

284 (10%)

288 (10%)

552 (18%)

509 (17%)

 Self-employed

121 (4%)

108 (4%)

103 (3%)

93 (3%)

 Part-time job

393 (13%)

428 (14%)

437 (15%)

475 (16%)

 Student

119 (4%)

163 (5%)

119 (4%)

73 (2%)

 Out-of-work (including retired)

509 (17%)

489 (16%)

643 (21%)

520 (17%)

Work in healthcare setting (n, %)

281(9%)

169 (6%)

193 (6%)

139 (5%)

0.003

Commuting (n, %)

2094 (50%)

2057 (50%)

1710 (48%)

1837 (52%)

0.001

Age (median), (IQR, Min–Max))

45 (34, 18–87)

47 (34, 18–89)

55 (31, 18–87)

51 (31, 18–89)

< 0.001

  1. IQR interquartile range, Min minimum, Max maximum
  2. ap value is based on the Chi-squared test, t test and Mann-Whitney U test