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Table 3 Adjusted odds ratio with 95% confidence interval or MCSA interval using conventional and probabilistic bias analyses. All estimates were obtained by adjusting for age, smoking, education level, physical activity and socioeconomic status

From: Effect of alcohol consumption on breast cancer: probabilistic bias analysis for adjustment of exposure misclassification bias and confounders

Conventional analysis

Bias parameter distribution

Bias analysis (95% MCSA)

Non-differential

Differential (r = 0.8)

Differential (r = 0.5)

Differential (r = 0.25)

1.05 (95% CI: 0.57, 1.91)

Triangular

1.96 (1.20, 6.01)

1.93 (0.67, 10.07)

2.03 (0.97, 12.10)

2.30 (1.28, 12.23)

Beta

1.82 (1.20, 3.83)

2.99 (1.11, 17.74)

5.14 (3.53, 22.09)

5.56 (3.88, 24.00)

Logit-logistic

2.29 (1.23, 11.84)

3.65 (1.16, 17.42)

5.20 (4.13, 18.00)

5.67 (4.64, 18.30)

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BMC Medical Research Methodology

ISSN: 1471-2288

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