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Table 2 Effect of the covariates on daily probability of alcohol consumption and amount of alcohol consumed

From: A simplified approach to estimating the distribution of occasionally-consumed dietary components, applied to alcohol intake

Males Females

Probability part

Odds ratio

p-value

Odds ratio

p-value

 

95 %CI

 

95 %CI

 

Model A

    

Weekend

3.95

<0.001

3.56

<0.001

 

(2.37, 6.60)

 

(2.27, 5.56)

 

5 years increase in age

1.27

0.042

1.29

0.031

 

(1.01, 1.54)

 

(1.03, 1.55)

 

Model B

    

Weekend

3.99

<0.001

3.53

<0.001

 

(2.39, 6.66)

 

(2.25, 5.54)

 

5 years increase in age

1.27

0.043

1.30

0.028

 

(1.01, 1.53)

 

(1.03, 1.56)

 

Amount part

Ratio of change

p-value

Ratio of change

p-value

 

95 %CI

 

95 %CI

 

Model A

    

Weekend

1.48

<0.001

1.28

0.016

 

(1.23, 1.79)

 

(1.04, 1.56)

 

5 years increase in age

0.96

0.162

1.00

0.910

 

(.90, 1.02)

 

(0.91, 1.08)

 

Model B

    

Weekend

1.45

0.001

1.23

0.062

 

(1.19, 1.73)

 

(0.99, 1.48)

 

5 years increase in age

0.95

0.105

0.98

0.695

 

(0.89, 1.01)

 

(0.90, 1.06)

 

Correlation between

    

probability and

0.30

0.160

0.55

0.004

amount parts

  1. Model A adjusts for correlation between probability and amount parts
  2. Model B assumes zero correlation between probability and amount parts
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BMC Medical Research Methodology

ISSN: 1471-2288

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