Table 2

 Estimated age in years of the Ala12 allele of the PPARG gene using both linkage disequilibrium and allele frequency

Population*MLE (95% CI) using linkage disequilibriumMLE (95% CI) using frequency of the Ala12 allele
θ = 0.0016θ = 0.0008θ = 0.0004r = 0.01r = 0.02r = 0.04
MLE, maximum likelihood estimator. *D′, standardised LD coefficient between Pro12Ala and C1431T SNPs; n, sample size; N0, current population size.
Scottish,7684513 69027 37523 90012 8256850
N0∼5×106,(5500–8405)(11 000–16 815)(22 000–33 625)(22 400–30 125)(12 050–15 950)(6475–8400)
D′ = 0.608,
n = 973
Chinese,6896017 92035 84533 77517 7509325
N0∼1×109,(6795–11 665)(13 595–23 330)(27 190–46 655)(32 175–42 475)(16 950–22 100)(8900–11 475)
D′ = 0.555,
n = 2730
Malays,6856517 12534 25024 00012 8506875
N0∼23×106,(4795–14 415)(9595–28 830)(19 190–57 655)(22 050–32 875)(11 900–17 300)(6375–9100)
D′ = 0.572,
n = 740
Indians,63195639012 78036 70019 22510 050
N0∼1×109,(2030–4740)(4065–9485)(8125–18 970)(35 100–43 300)(18 425–22 525)(9650–11 700)
D′ = 0.799,
n = 568