Twin Family Study of Migraine and Co-occuring Psychiatric Disorders
Study Code:MG
Sample:494 Affected Concordant DZ Pairs, 228 Extreme Discordant DZ Pairs, 194 Severely Affected Concordant
Start Date:Mar.2003
Status:In progress
Contact:Dale Nyholt
More Info:QIMR only


 

CONTENTS


1. INTRODUCTION

1a. Background

1b. Specific aims

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2. DATA COLLECTION SUMMARY


3. SAMPLE

  1. 494 Affected Concordant DZ Pairs (incl. opp-sex), =>both twins, parents, & additional affected siblings
  2. 228 Extreme Discordant DZ Pairs (same sex only), =>both twins, parents, & additional affected siblings
  3. 194 Severely Affected Concordant MZ Pairs. =>at least one twin, parents, & additional affected siblings