Table 2 Apparent relative risks
From: Maternal genotype effects can alias case genotype effects in case–control studies
Maternal effect | ||
|---|---|---|
Parameter | Analysis of cases versus controls | Analysis of mothers of cases versus mothers of controls |
Apparent relative risk of Aa |
| r 1 m |
Apparent relative risk of AA |
| r 2 m |
Case effect | ||
Parameter | Analysis of cases versus controls | Analysis of mothers of cases versus mothers of controls |
Apparent relative risk of Aa | r 1 c |
|
Apparent relative risk of AA | r 2 c |
|
Maternal imprinting effect | ||
Parameter | Analysis of cases versus controls | Analysis of mothers of cases versus mothers of controls |
Apparent relative risk of Aa | (ri+1)/2 | (ri+1)/2 |
Apparent relative risk of AA | r i | r i |
