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Table 2 Mendelian randomization

From: Exploring the link between walking and lung cancer risk: a two-stage Mendelian randomization analysis

  

IVW method

 

MR-Egger

 

Weighted median

 

Exposure

Outcome

OR (95% CI)

P-value

OR (95% CI)

P-value

OR (95% CI)

P-value

Number of days/week walked 10 + minutes

Lung cancer

0.993

(0.987–0.998)

0.009

0.995

(0.966–1.024)

0.742

0.994

(0.986–1.001)

0.094

Duration of walks

Lung cancer

0.991

(0.977–1.005)

0.216

0.968

(0.848–1.104)

0.710

0.995

(0.978–1.012)

0.566

Usual walking pace

Lung cancer

0.989

(0.980–0.998)

0.015

0.985

(0.932–1.041)

0.523

0.996

(0.984–1.008)

0.523

Time spent watching TV

Lung cancer

1.009

(1.005–1.014)

2.9e-5

0.996

(0.975–1.017)

0.710

1.011

(1.005–1.016)

1.8e-4

Time spent watching TV

Usual walking pace

0.714

(0.685–0.744)

3.4e-58

0.667

(0.554–0.804)

4.5e-5

0.725

(0.691–0.761)

2.7e-39

Fed-up feelings

Lung cancer

1.021

(1.005–1.037)

0.012

1.035

(0.955–1.122)

0.418

1.023

(1.002–1.044)

0.028

Fed-up feelings

Number of days/week walked 10 + minutes

1.116

(0.722–1.725)

0.621

1.123

(0.684–1.844)

0.646

10.63

(1.720–65.75)

0.026

Number of days/week walked 10 + minutes

Fed-up feelings

1.095

(1.063–1.128)

2.5e-9

1.088

(0.754–1.571)

0.680

1.087

(1.046–1.131)

2.6e-5

Usual walking pace

Time spent watching TV

0.821

(0.771–0.875)

8.9e-10

0.712

(0.547–0.928)

2.0e-2

0.826

(0.770–0.888)

1.7e-7