Table 1.
Characteristics of rPATDcog responders and non-responders
| Variable | Responder N = 553 (%) | Non-responder N = 856 (%) | P valuea | |
|---|---|---|---|---|
| Age | Mean | 80.1 | 79.8 | 0.47 |
| SD | 7.4 | 7.6 | ||
| Gender | Female | 290(52.4) | 502(58.6) | 0.02 |
| Male | 263(47.6) | 354(41.4) | ||
| Race and ethnicity | Hispanic | 31(5.6) | 87(10.2) | 0.02 |
| Non-Hispanic White | 454(82.1) | 633(74.0) | ||
| Non-Hispanic Black | 37(6.7) | 77(9.0) | ||
| Non-Hispanic Indian | 2(0.4) | 6(0.7) | ||
| Non-Hispanic Asian | 8(1.5) | 18(2.1) | ||
| Other | 15(2.7) | 27(3.2) | ||
| Unknown | 6(1.1) | 8(0.9) | ||
| ADRD versus MCI only | MCI only | 145(26.2) | 168(19.6) | 0.004 |
| ADRD | 408(73.8) | 688(80.4) | ||
| Long-term medications | Mean (SD) | 7.0(2.2) | 6.9(2.1) | 0.16 |
| Chronic conditions | Mean (SD) | 8.3(3.0) | 8.6(3.3) | 0.12 |
| On 1+ PIMs | Yes | 153 (27.7) | 277(32.4) | 0.06 |
| No | 400(72.3) | 579(67.6) | ||
| Length of enrolment in health plan (years) | Mean (SD) | 19.7(8.1) | 18.9(8.4) | 0.09 |
| Neighbourhood deprivation indexb | Mean (SD) | −0.6(0.6) | −0.6(0.6) | 0.50 |
| Median family income for their zip codec (USD) | Mean (SD) | 99,801(34,076) | 98,951(35,890) | 0.41 |
ADRD: Alzheimer disease and related dementias; MCI: mild cognitive impairment; PIMS: potentially inappropriate medications; SD: standard deviation; USD: US dollar.
a P values from Chi-square tests for categorical variables, T-test for age and Kruskal–Wallis tests for remaining continuous and count variables.
bFive from responder and eight from non-responder missing neighbourhood deprivation index (NDI). NDI is a standardised z-score that summarises multiple indicators including education, income and employment into a score where higher values indicate lower SES. The possible range of NDI scores is −3 to 3. Higher values mean more neighbourhood economic disadvantage, lower values mean more neighbourhood economic advantages. The minimum NDI in responders was −1.8, and the maximum was 1.5.
cOne from responder and seven from non-responder missing data for Median Family Income. Income represents census zip code level, not individual. The 2016–2020 Median Family Income of Colorado was $75,231. The minimum Median Family Income by zip code of responders was $25,671 and maximum was $250,001.