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Table 1 Score coefficients for ERP-P, ERP-M and BQ

From: Surrogate phenotype definition for alcohol use disorders: a genome-wide search for linkage and association

ERP:

ERP-P

ERP-M

Behavior questions (BQ)

HCM

Coefficients

Item

Coefficient

ttth1

-0.389

0.121

Age [years]

-0.043

ttth2

-0.222

0.139

1. Persistent desire to stop drinking

3.302

ttth3

0.043

0.132

2. Morning drinking

0.581

ttth4

0.000

0.128

3. Craving

1.487

ttdt1

-0.326

0.085

4. Ever binge drink

0.779

ttdt2

-0.228

0.102

5. Spent most time for drinking

1.670

ttdt3

0.016

0.112

6. Narrowing of drinking repertoire

0.696

ttdt4

0.000

0.101

7. Gave up activities to drink

2.020

ntth1

-0.352

0.107

8. Blackouts

2.412

ntth2

-0.211

0.133

9. Withdrawl SXs

0.247

ntth3

0.039

0.132

10. Physical health problems

0.134

ntth4

0.000

0.116

11. Emotional/psychological problems

0.694