TABLE 4.
Stratified Indirect Costs, Average Per Patient Per Month Costs in US Dollarsa
| Mild AD | Moderate AD | Severe AD | Total AD | P valuea | ||
|---|---|---|---|---|---|---|
| Indirect costs to caregivers | ||||||
| Private insurance | nc | 44 | 81 | 53 | 262 | |
| Mean (SD) | 790.6 (990.98) | 1,021.44 (1,456.49) | 1,346.44 (1,313.9) | 1,149.81 (1,331.95) | 0.6239 | |
| No private insurance | nc | 122 | 172 | 118 | 605 | |
| Mean (SD) | 1,118.95 (1,346.18) | 814.28 (1,126.77) | 1,283.47 (1,227.4) | 1,103.18 (1,291.86) | ||
| Poor | n | 61 | 68 | 64 | 302 | |
| Mean (SD) | 1,396.64 (1,438.76) | 1,105.94 (1,315.19) | 1,534.42 (1,439.8) | 1,137.68 (1,331.35) | 0.0076 (poor vs high income) | |
| Low income | n | 40 | 74 | 38 | 235 | |
| Mean (SD) | 798.04 (1,155.71) | 805.59 (1,151.32) | 1,185.09 (1,136.94) | 1,137.68 (1,331.35) | ||
| Middle income | n | 44 | 74 | 46 | 235 | |
| Mean (SD) | 925.78 (1,186.47) | 824.69 (1,204.52) | 1,131.34 (929.77) | 990.29 (1,146.82) | ||
| High income | n | 26 | 46 | 28 | 129 | |
| Mean (SD) | 671.33 (876.87) | 769.34 (1,316.98) | 1,261.75 (1,355.43) | 929.28 (1,252.47) | ||
| Staying in nursing home | n | 45 | 80 | 40 | 322 | |
| Mean (SD) | 662.74 (876.32) | 484.75 (824.81) | 941.6 (873.96) | 599.57 (837.46) | P < 0.0001 | |
| Not staying in nursing home | n | 126 | 182 | 136 | 579 | |
| Mean (SD) | 1,136.51 (1,348.91) | 1,050.62 (1,356.85) | 1,395.08 (1,323.25) | 1,371.77 (1,415.16) | ||
| Indirect costs to employers | ||||||
| Private insurance | nc | 44 | 81 | 53 | 262 | |
| Mean (SD) | 197.24 (0) | 197.24 (0) | 197.24 (0) | 199.6 (20.87) | 0.8926 | |
| No private insurance | nc | 122 | 172 | 118 | 605 | |
| Mean (SD) | 198.12 (7.96) | 200.86 (52.73) | 197.24 (0) | 199.35 (32.32) | ||
| Poor | n | 61 | 68 | 64 | 302 | |
| Mean (SD) | 197.24 (0) | 197.24 (0) | 197.24 (0) | 199.22 (23.98) | 0.2193 (poor vs high income) | |
| Low income | n | 40 | 74 | 38 | 235 | |
| Mean (SD) | 197.54 (1.92) | 197.24 (0) | 197.24 (0) | 197.29 (0.82) | ||
| Middle income | n | 44 | 74 | 46 | 235 | |
| Mean (SD) | 197.77 (5.12) | 197.24 (0) | 197.24 (0) | 197.34 (2.24) | ||
| High income | n | 26 | 46 | 28 | 129 | |
| Mean (SD) | 199.57 (14.21) | 210 (98.35) | 197.24 (0) | 206.22 (61.98) | ||
| Staying in nursing home | n | 45 | 80 | 40 | 322 | |
| Mean (SD) | 197.39 (1.34) | 204.43 (74.74) | 197.24 (0) | 199.16 (38.55) | 0.8990 | |
| Not staying in nursing home | n | 126 | 182 | 136 | 579 | |
| Mean (SD) | 198.04 (7.79) | 197.29 (1.15) | 197.24 (0) | 199.46 (21.99) | ||
| Total indirect costs | ||||||
| Private insurance | nc | 44 | 81 | 53 | 262 | |
| Mean (SD) | 987.84 (990.98) | 1,218.68 (1,456.49) | 1,543.68 (1,313.9) | 1,349.42 (1,333.24) | 0.6222 | |
| No private insurance | nc | 122 | 172 | 118 | 605 | |
| Mean (SD) | 1,317.07 (1,345.47) | 1,015.14 (1,129.89) | 1,480.71 (1,227.4) | 1,302.53 (1,291.91) | ||
| Poor | n | 61 | 68 | 64 | 302 | |
| Mean (SD) | 1,593.87 (1,438.76) | 1,303.18 (1,315.19) | 1,731.66 (1,439.8) | 1,498.02 (1,405.09) | 0.0089 (poor vs high income) | |
| Low income | n | 40 | 74 | 38 | 235 | |
| Mean (SD) | 995.59 (1,155.5) | 1,002.83 (1,151.32) | 1,382.33 (1,136.94) | 1,334.98 (1,331.31) | ||
| Middle income | n | 44 | 74 | 46 | 235 | |
| Mean (SD) | 1,123.54 (1,186.07) | 1,021.93 (1,204.52) | 1,328.58 (929.77) | 1,187.62 (1,146.74) | ||
| High income | n | 26 | 46 | 28 | 129 | |
| Mean (SD) | 870.9 (875.21) | 979.34 (1,326.72) | 1,458.99 (1,355.43) | 1,135.5 (1,258.15) | ||
| Staying in nursing home | n | 45 | 80 | 40 | 322 | |
| Mean (SD) | 860.12 (876.22) | 689.18 (836.18) | 1,138.83 (873.96) | 798.73 (840.16) | P < 0.0001 | |
| Not staying in nursing home | n | 126 | 182 | 136 | 579 | |
| Mean (SD) | 1,334.55 (1,348.26) | 1,247.91 (1,356.84) | 1,592.32 (1,323.25) | 1,571.23 (1,414.93) | ||
aAdjusted to 2021 US dollars.
bP values shown are from a t-test for the comparison of the total AD values.
cThe n’s of these 2 patient groups (private vs no private insurance) do not add up to the overall number of patients per disease severity because a few respondent answers were missing.
AD = Alzheimer disease.