Table 6 Sensitivity analysis of the association between cumulative respiratory silica exposure and ventilatory disorders using logistic regression

Model 1

Obstructive

1.08

(0.99–1.17)

0.086

1.03

(0.99–1.08)

0.122

Restrictive

1.09

(0.99–1.20)

0.065

1.03

(0.99–1.08)

0.105

Obstructive or restrictive

1.25

(1.05–1.49)

0.013

1.04

(1.01–1.08)

0.019

Model 2

Obstructive

1.08

(0.99–1.18)

0.075

1.05

(1.00-1.11)

0.056

Restrictive

1.09

(0.99–1.20)

0.067

1.03

(0.99–1.08)

0.106

Obstructive or restrictive

1.27

(1.06–1.52)

0.011

1.05

(1.01–1.10)

0.01

Model 3

Obstructive

1.08

(0.99–1.19)

0.072

1.06

(1.00-1.12)

0.049

Restrictive

1.09

(0.99–1.20)

0.089

1.03

(0.98–1.08)

0.182

Obstructive or restrictive

1.26

(1.06–1.51)

0.011

1.05

(1.01–1.10)

0.012

Model 4 (Never smokers)

Obstructive

1.00

(0.82–1.22)

0.970

-

-

-

Restrictive

1.10

(0.90–1.35)

0.339

1.02

(0.96–1.08)

0.587

Obstructive or restrictive

1.13

(0.89–1.43)

0.320

1.07

(1.00-1.13)

0.041