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Table 2 The Poisson regression model for associations between case-severity rate and city-specific characteristics

From: Regional-level risk factors for severe hand-foot-and-mouth disease: an ecological study from mainland China

Variables

Estimate

SE

t

P value

RR (95%CI) b

RR (95%CI) a

Population increase rate

0.104

0.175

0.595

0.553

1.109

(0.788, 1.562)

1.024

(0.718, 1.459)

Population density

− 0.026

0.100

− 0.261

0.795

0.974

(0.801, 1.186)

1.041

(0.820, 1.323)

GDP increase rate

− 0.294

0.112

− 2.635

0.009

0.745

(0.599, 0.927)

0.921

(0.777, 1.092)

Per capita public green areas

− 0.105

0.077

− 1.362

0.175

0.901

(0.775, 1.047)

0.868

(0.751, 1.003)

City development

− 0.195

0.055

− 3.561

< 0.001

0.823

(0.739, 0.916)

0.893

(0.821, 0.970)

Meteorological feature

− 0.261

0.112

− 2.321

0.022

0.771

(0.619, 0.960)

0.723

(0.592, 0.882)

Intercept

− 4.666

0.137

− 33.952

< 0.001

0.009

(0.007, 0.012)

–

  1. aThe crude RR for case-severity rate
  2. bThe adjusted RR in multivariate Poisson regression