Table 3.

Regression coefficients and odds ratios (95% confidence intervals) from binary logistic regression to predict the presence of ≥ 1 NPS on the NPI-Q

	Whole sample (n = 296)	Cognitively healthy (CO + SCD + REL) (n = 190)	Cognitively healthy worrier (n = 100)	Cognitively healthy non-worrier (n = 88)
Predictors	OR (95% CI), p value	OR (95% CI), p value	OR (95% CI), p value	OR (95% CI), p value
Age	1.002 (0.958–1.048), 0.921	1.028 (0.971–1.089), 0.343	1.019 (0.943–1.102), 0.631	1.015 (0.914–1.127), 0.787
Sex	0.972 (0.583–1.621), 0.913	1.108 (0.560–2.191), 0.769	1.099 (0.434–2.782), 0.843	1.235 (0.397–3.847), 0.716
Education	0.968 (0.888–1.056), 0.467	1.018 (0.911–1.137), 0.757	1.070 (0.924–1.238), 0.365	0.904 (0.729–1.121), 0.357
MEM	0.597 (0.414–0.862), 0.006**	0.486 (0.226–1.048), 0.066	0.662 (0.258–1.698), 0.391	0.293 (0.069–1.244), 0.096
Aß42 (pg/ml)	0.999 (0.998–1.000), 0.030*	1.000 (0.998–1.001), 0.353	0.999 (0.998–1.000), 0.124	1.001 (0.999–1.003), 0.180
t-tau (pg/ml)	0.999 (0.996–1.001), 0.243	0.999 (0.995–1.003), 0.571	0.999 (0.994–1.004), 0.780	1.000 (0.993–1.000), 0.960
p-tau (pg/ml)	1.013 (0.993–1.034), 0.211	1.011 (0.981–1.042), 0.482	1.017 (0.977–1.058), 0.409	0.987 (0.928–1.050), 0.688

Note: * p < .05, ** p < .01. Aβ42 beta-amyloid 42, CO healthy controls, CI confidence interval, MEM memory factor score, OR odds ratio, p-tau phospho-tau, REL first-degree relatives of AD patients, SCD subjective cognitive decline, t-tau total tau