Table 4.
Ordinal Regression Results Predicting Physical Activity Level (n = 221)1
| Variables | Unadjusted Proportional OR (CI) | p | Adjusted Proportional OR (CI) | p |
|---|---|---|---|---|
| Demographic/Psychological | ||||
| Age | .97 (.94; 1.00) | .078 | .96 (.92; 1.01) | .129 |
| Female | .41 (.22; .77) | .006 | .50 (.25; 1.02) | .057 |
| Education, yrs | 1.07 (.97; 1.18) | .190 | 1.02 (.90; 1.15) | .741 |
| WRAT2 | 1.04 (1.00; 1.08) | .043 | 1.04 (.99; 1.10) | .095 |
| GDS score3 | .87 (.80; .95) | .001 | .90 (.81; 1.00) | .040 |
| Physical | ||||
| Chronic Disease Score4 | .93 (.86; 99) | .027 | .97 (.90; 1.04) | .349 |
| Not able to walk 2 blocks | .57 (.32; 1.00) | .050 | .89 (.46; 1.74) | .734 |
| ADL-PI score5 | 1.07 (1.03; 1.12) | .001 | 1.03 (.98; 1.09) | .223 |
| Neuropsychological | ||||
| Mini Mental Status Score | 1.04 (.94; 1.15) | .482 | 1.01 (.89; 1.16) | .861 |
| HVLT Total Recall6 | 1.05 (.97, (1.12) | .221 | 1.00 (.92;1.09) | .974 |
| HVLT Delayed Recall6 | 1.07 (.94; 1.22) | .298 | 1.04 (.89; 1.22) | .585 |
| Boston Naming Test7 | 1.05 (.94; 1.18) | .375 | 0.96 (.83; 1.10) | .535 |
| Category Fluency8 | 1.04 (.97; 1.12) | .226 | 1.00 (.93; 1.09) | .910 |
| Trail Making Test, Part A9 | .93 (.87; 1.00) | .058 | .96 (.86; 1.07) | .421 |
| Trail Making Test, Part B9 | 1.00 (.97; 1.04) | .813 | 1.05 (1.00; 1.09) | .049 |
| Digit Symbol Substitution10 | 1.15 (.96; 1.39) | .135 | 1.02 (.78; 1.34) | .866 |
| Digit Span – Forward11 | .99 (.87; 1.12) | .849 | 1.02 (.87; 1.19) | .832 |
| Digit-Span – Backward11 | .86 (.73; 1.01) | .066 | .80 (.66; .99) | .037 |
| Wechsler Memory Scale-R Logical Memory IA12 | 1.02 (.95; 1.09) | .640 | .99 (.88; 1.11) | .895 |
| Wechsler Memory Scale-R Logical Memory IIA12 | 1.05 (.99; 1.12) | .129 | 1.01 (.91; 1.13) | .838 |
The low group engaged in 0 to 59 minutes of activity in past 2 weeks (coded 1), the middle group engaged in 60 to 149 minutes (coded 2), and the high group engaged in more than 150 minutes (coded 3). Odds ratios are for odds of having higher activity. Deviance = 434.43, p = .176; Pseudo R2 = .175.
Wide Range Achievement Test
Geriatric Depression Scale
Expressed in increments of $1,000.
Alzheimer’s Disease Cooperative Study Activities of Daily Living–Prevention Instrument; higher scores signify better function.
Hopkins Verbal Learning Test
Scored as the number of correctly identified pictures.
Scored as the number of animals named in 60 seconds.
Scored as the number of seconds for task completion; expressed in 10 second increments.
Scored as the number of correct symbols; expressed in 10 symbol increments.
Scored as the number of correctly recalled sequences.
Scored as the number of correctly recalled story components.