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. Author manuscript; available in PMC: 2010 Jul 1.
Published in final edited form as: J Alzheimers Dis. 2009 Jul;17(4):875–885. doi: 10.3233/JAD-2009-1105

Table 4.

Results from ‘full’ logistic regression models used to construct the risk scoring system. Weighted analyses are based on weights derived from the saturated selection model. P-values marked with a * indicate variables retained by the backwards stepwise procedure in ‘final’ prediction models.

NP measures only NP measures and demographics
Unadjusted Weighted (Saturated) Unadjusted Weighted (Saturated)
OR 95% CI p-value OR 95% CI p-value OR 95% CI p-value OR 95% CI p-value
BRAAK stage
     0/I/II/III/IV 1.00 REF < 0.001 1.00 REF < 0.001* 1.00 REF < 0.001 1.00 REF < 0.001*
     V/VI 25.26 8.70, 73.35 27.38 9.42, 79.63 24.77 6.79, 90.34 25.48 6.28, 103.37
Cerebral microinfarcts
     0,1,2 1.00 REF < 0.001 1.00 REF < 0.001* 1.00 REF 0.001 1.00 REF < 0.001*
     ≥ 3 7.17 2.60, 19.74 10.00 3.33, 29.96 7.15 2.31, 22.14 9.30 2.99, 28.90
Neocordical Lewy bodies
     0 1.00 REF 0.050 1.00 REF 0.001* 1.00 REF 0.208 1.00 REF 0.019*
     ≥ 1 5.76 1.00, 33.04 13.45 2.87, 63.00 4.04 0.46, 35.55 9.79 1.46, 65.53
Cystic infarcts
     0 1.00 REF 0.111 1.00 REF 0.017* 1.00 REF 0.027 1.00 REF 0.003*
     ≥ 1 1.90 0.86, 4.17 2.70 1.19, 6.11 3.25 1.15, 9.24 5.08 1.75, 14.81
Amyloid angiopathy
     None 1.00 REF 0.189 1.00 REF 0.089 1.00 REF 0.190 1.00 REF 0.080
     Mild/Moderate/Severe 1.88 0.73, 4.84 2.34 0.88, 6.25 2.16 0.68, 6.83 2.83 0.88, 9.08
Age (at death) a 1.35 1.15, 1.59 < 0.001 1.38 1.17, 1.63 < 0.001*
Birth cohorta
Gender
1.27 1.09, 1.47 0.002 1.27 1.09, 1.48 0.002*
     Female 1.00 REF 0.293 1.00 REF 0.355
     Male 1.53 0.69, 3.37 1.48 0.65, 3.38
Education
     High school or less 1.00 REF 0.204 1.00 REF 0.122
     At least some college 0.59 0.26, 1.34 0.51 0.21, 1.20
APOE ε4 allele
     None 1.00 REF 0.683 1.00 REF 0.812
     At least one 1.21 0.48, 3.05 1.13 0.42, 3.03
a

Modeled as a continuous linear term