Table 1.
Choice set attributes and levels
| Description of Attributes | Home HD Attribute Levels | PD Attribute Levels | In-Center Attribute Levels |
|---|---|---|---|
| Ability to change dialysis schedule | Easy to change | Easy to change | Hard to change |
| Sometimes possible to change | Sometimes possible to change | ||
| Hard to change | Hard to change | ||
| Average cost per month (New Zealand dollars) | $0 | $0 | $0 |
| $50 | $50 | ||
| $250 | $250 | ||
| $500 | $500 | ||
| Availability of transport service or reimbursement | A shuttle or taxi is always provided, or if you use your own car, all costs are covered | A shuttle or taxi is always provided, or if you use your own car, all costs are covered | A shuttle or taxi is always provided, or if you use your own car, all costs are covered |
| Sometimes a shuttle or taxi is provided, or if you use your own car, some costs are covered | Sometimes a shuttle or taxi is provided, or if you use your own car, some costs are covered | ||
| No shuttle or taxi is provided, and you have to pay all your own transport costs | No shuttle or taxi is provided, and you have to pay all your own transport costs | ||
| Staff support if needed | Nurse support on the phone is available Monday to Friday 8 a.m. to 4 p.m. | Nurse support on the phone is available Monday to Friday 8 a.m. to 4 p.m. | You have a nurse present during all dialysis treatments |
| Nurse support on the phone is available 24 h/d | Nurse support on the phone is available 24 h/d | ||
| Nurse support is available 24 h/d, and you can have a nurse home visit once per week for as long as you like | Nurse support is available 24 h/d, and you can have a nurse home visit once per week for as long as you like | ||
| You have a nurse present during all dialysis treatments for as long as needed, and telephone support is available 24 h/d | You have a nurse present during all dialysis treatments for as long as needed, and telephone support is available 24 h/d | ||
| Life expectancy, yr | 3 | 3 | 3 |
| 5 | 5 | 5 | |
| 10 | 10 | 10 | |
| 15 | 15 | 15 | |
| Dialysis training time | 6 wk (3–5/wk) | 5 d | None |
| 12 wk (3–5/wk) | 7 d | ||
| 18 wk (3–5/wk) | 10 d | ||
| How well you feel on dialysis | Worse than now | Worse than now | Worse than now |
| Better than now | Better than now | Better than now | |
| Same as now | Same as now | Same as now | |
| Dialysis time of day | During the day or evening | During the day (CAPD) | ≅During the day |
| ≅During the day | Overnight while you sleep (APD) | ||
| ≅Overnight while you sleep | |||
| Dialysis days per week | ≅3 | ≅7 | ≅3 |
| ≅5 | |||
| ≅6 | |||
| ≅7 |
HD, hemodialysis; PD, peritoneal dialysis; CAPD, continuous ambulatory peritoneal dialysis; APD, automated peritoneal dialysis.