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. 2015 Jun 16;12(6):e1001841. doi: 10.1371/journal.pmed.1001841

Table 1. Estimated associations of each genetically predicted risk factor with Alzheimer disease.

Trait Scaling of OR Number of SNPs Overall Results Sensitivity Analyses*
OR (95% CI) p-Value OR (95% CI) p-Value
BMI 1 SD (4.81 kg/m2) 32 0.99 (0.80−1.19) 0.779 1.00 (0.82−1.22) 0.97
T2D 1 unit higher log-odds 49 1.02 (0.97−1.07) 0.535
Fasting glucose 1 SD (0.65 mmol/l) 36 1.12 (0.97−1.30) 0.112 1.19 (1.03−1.37) 0.02
Insulin resistance 1 SD log-FI (0.60 log-pmol/l) 10 1.32 (0.88−1.98) 0.177
SBP 1 SD (15.4 mm Hg) 24 0.75 (0.62−0.91) 3.4 × 10−3
Total cholesterol 1 SD (1.03 mmol/l) 73 1.94 (1.79−2.10) 3.1 × 10−56 1.04 (0.95−1.13) 0.84
HDL-cholesterol 1 SD (0.41 mmol/l) 71 0.75 (0.69−0.82) 1.0 × 10−11 1.01 (0.93−1.09) 0.87
LDL-cholesterol 1 SD (0.91 mmol/l) 57 2.31 (2.12−2.50) 3.0 × 10−87 1.07 (0.98−1.17) 0.14
Triglycerides 1 SD (0.83 mmol/l) 39 0.96 (0.87−1.07) 0.482
Smoking initiation 1 unit higher log-odds 1 0.70 (0.37−1.33) 0.278
Smoking quantity 10 cigarettes/day 3 0.67 (0.51−0.89) 6.5 × 10−3
Completing university 1 unit higher log-odds 2 0.95 (0.67−1.34) 0.752
Length of education 1 year of education 1 0.71 (0.48−1.06) 0.097

*Sensitivity analyses exclude SNPs where p < 0.00017 (0.05/302 unique SNPs) for AD.

log-FI, log-fasting insulin.