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Table 3 PM1 and male incidence rate: Humidity modification effect

From: Climatic modification effects on the association between PM1 and lung cancer incidence in China

 

Binary division

Three-category division

Mean male incidence rate = 50.16

Mean male incidence rate = 50.16

β

95% CI

β

95% CI

PM1

4.78% **

(0.20%, 9.57%)

4.59% **

(−0.20%, 9.37%)

Longitude

0.35 ***

(0.09, 0.62)

0.34 **

(0.06, 0.62)

Latitude

1.55 ***

(0.77, 2.32)

1.52 ***

(0.72, 2.32)

Year 2015

0.96

(−2.87, 4.78)

1.00

(− 2.85, 4.85)

Air temperature

1.79 ***

(0.95, 2.63)

1.88 ***

(1.02, 2.73)

Finance

0.04

(−0.03, 0.11)

0.04

(− 0.03, 0.10)

Education

−2.22 **

(−4.39, −0.04)

−2.05 **

(−4.24, 0.15)

Employment

−0.26 **

(−0.50, − 0.02)

− 0.30 **

(− 0.54, − 0.06)

Construction

0.01

(−0.05, 0.08)

0.01

(−0.06, 0.08)

Manufacturing

−0.04 ***

(−0.07, − 0.02)

− 0.03 **

(− 0.06, − 0.01)

Population

0.01

(−0.04, 0.05)

−0.01

(−0.06, 0.04)

Urban-rural division

3.65 *

(−0.50, 7.81)

2.65

(−1.50, 6.81)

PM1 × Humidity2

3.39% ***

(1.59%, 5.18%)

2.19% **

(0.40%, 3.39%)

PM1 × Humidity3

  

3.59% ***

(1.00%, 5.98%)

  1. * for p < 0.1, ** for p < 0.05 and *** for p < 0.01. If PM1 changes by 10 μg/m3, the change in incidence rate relative to its mean = (10 × coefficient for PM1 or its interaction terms)/mean incidence rate