Table 2. The predictive power of variables of interest for new GL ocurrence*.
Risk factors for GL | GL incidence | GL recurrence | ||||
---|---|---|---|---|---|---|
OR | 95% CI | p1 | OR | 95% CI | p2 | |
Demographic data | ||||||
Age (per year decrement) | 1.04 | .983~1.09 | .184 | 1.09 | 1.03~1.13 | .002 |
Male vs. female | 1.95 | .715~5.31 | .192 | 1.42 | .501~4.01 | .511 |
Years of education (per year increment) | .940 | .850~1.04 | .235 | .979 | .883~1.09 | .694 |
MMSE (per point increment) a | .862 | .770~.965 | .010 | 1.01 | .926~1.10 | .812 |
CASI subscales (per point increment) a, | ||||||
Remote memory | .732 | .576~.930 | .011 | .996 | .795~1.25 | .971 |
Recent memory | .838 | .707~1.02 | .062 | 1.03 | .900~1.18 | .676 |
Attention | .883 | .635~1.23 | .462 | .845 | .623~1.15 | .280 |
Mental manipulation | .881 | .743~1.05 | .147 | .960 | .819~1.13 | .612 |
Orientation | .824 | .733~.926 | .001 | 1.00 | .920~1.10 | .934 |
Abstract thinking | .651 | .486~.873 | .004 | .997 | .781~1.27 | .983 |
Language | .795 | .628~1.06 | .066 | 1.04 | .810~1.33 | .754 |
Visual construction | .907 | .771~1.07 | .237 | .954 | .804~1.13 | .590 |
Verbal fluency | .735 | .588~.919 | .007 | 1.05 | .866~1.28 | .609 |
QuENA-C (per point increment) a | ||||||
Landmark and scene agnosia | 1.62 | 1.21~2.17 | .001 | .983 | .826~1.17 | .852 |
Egocentric disorientation | 1.68 | 1.19~2.37 | .003 | 1.13 | .892~1.43 | .312 |
Inattention | 2.46 | 1.55~3.90 | .000 | 1.02 | .812~1.27 | .891 |
Heading disorientation | 1.36 | 1.01~1.81 | .040 | 1.04 | .880~1.23 | .636 |
Self-awareness a | ||||||
Discrepancy score (per point increment) | 1.15 | 1.05~1.27 | .004 | .981 | .921~1.04 | .543 |
No safety range vs. with safety range | 1.23 | .447~3.41 | .685 | 3.36 | 1.07~10.53 | .037 |
Egression behavior a | ||||||
Days out per week (per day increment) | .920 | .784~1.08 | .307 | 1.18 | .960~1.30 | .152 |
Restriction of transport vs. R4 | ||||||
R3 | .405 | .117~1.40 | .154 | 2.29 | .743~7.05 | .194 |
R2 | .640 | .121~3.40 | .600 | 3.85 | .843~20.14 | .062 |
R1 | .390 | .101~1.50 | .172 | 1.93 | .470~5.34 | .306 |
Abbreviations: GL = getting lost; OR = odds ratio; QuENA = Questionnaire of Everyday Navigational Ability; R4 = escorted by caregivers when going out; R3 = can only go out alone on foot; R2 = can still cycle a bike around the area; R1 = can still operate a motorbike or car; p1 = p value within GL incidence; p2 = p value within GL recurrence.
a Adjusted for age, sex, and years of education.
*The predictors were entered into each model seperately.