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Table 4 Logistic regression models between the HFMD severity and the neighborhood greenness stratified by the population density and relative humidity

From: Association of neighborhood greenness with severity of hand, foot, and mouth disease

Greenness (500 m)

OR

95%CI

P value

Population density (ln(no.)/km2)

  ≤ 5

0.769

(0.687, 0.860)

< 0.001

  > 5 & ≤7

1.071

(1.024, 1.120)

0.003

  > 7

1.065

(1.034, 1.097)

< 0.001

Relative humidity (%)

  < 76

1.059

(1.023, 1.096)

0.001

  ≥ 76

1.010

(0.975, 1.046)

0.587

  1. All models were adjusted for population density, demographic variables (age, sex, home-care) and environment variables (temperature, relative humidity, onset season) except the stratified variable