Efficiency Provision Process Assistive Devices for Donning and Doffing Compression Hosiery

Use of the assistive device for donning and doffing compression hosiery, defined as percentage of days in 12 months (the duration of the study) on which participants don or doff their compression hosiery with the use of an assistive device. The percentage will be compared between both groups (intervention and control group (care as usual)). The use of assistive devices for donning and doffing compression hosiery will be measured every month during one week by means of a (digital or paper) diary. The digital diary can be filled in with the Samply app or Questback.

The Dutch version of the Quebec User Evaluation of Satisfaction with Assistive Technology (D-QUEST) measures the satisfaction of an assistive technology user with a provided assistive device. The Dutch version consists of 12 items that are scored on a 5-point scale. 1= not satisfied at all and 5 = very satisfied. Users are asked to indicate how satisfied or dissatisfied they are with each aspect. Respondents can indicate their degree of satisfaction or dissatisfaction with the various aspects using the multiple-choice answers below. If they are not satisfied, they will be asked for the reason why (free text field).

A high score on the D-QUEST corresponds to a high level of satisfaction. The D-QUEST can be used at an individual level as a "clinical instrument" to evaluate an individual provision. In other words, as part of the care process and with the aim of optimizing that provision.

Individually Prioritised Problem Assessment (IPPA) assesses the effectiveness of assistive technology provision. It is a generic instrument that can be used to assess the extent to which problems identified by an individual assistive technology user have been diminished. This study only asks about the activities of donning and doffing compression hosiery. At the start of the service delivery process, the client is asked to identify and rate the problems with donning and doffing the compression hosiery (no difficulty at all= 1, too much difficulty to perform = 5), and the importance of the activity (not relevant = 1, very relevant = 5). The same activities are rated again, a few months after receiving a new assistive technology. It measures the reduction in problems experienced during daily activities before and after the provision of the device, in this case donning CH. A negative score indicates that the problems have worsened. A positive score indicates the problems have decreased.

The in-house developed questionnaire on autonomy covers six main questions, three relating to donning and three to doffing. For each main question, respondents are asked whether they can decide on this themselves. If the answer is no or not always, they are asked whether this is caused by donning or doffing CH. Respondents are only asked to what extent they experience this as a problem if the answer to the previous question is yes.

The main questions related to donning:

• Can you decide for yourself what time you get up?
• Can you decide how you spend your morning if you stay at home?
• Can you participate in planned activities outside the home in the morning?

The main questions related to doffing are:

• Can you decide what time you go to bed?
• Can you decide how to spend your evenings if you stay at home?
• Can you take part in organized activities outside the home in the evening?

The iMTA Productivity Cost Questionnaire (iPCQ) asks questions on time spent with (unpaid) work, absenteeism and support of informal caregivers for unpaid work/productivity during the last 4 weeks

KWAZO [Kwaliteit van Zorg; Quality of Care] is a questionnaire to assess the quality of an assistive technology provision process from a client's perspective. KWAZO has decent measurement properties, and its self-report format makes it an easy-to-use tool for assessment of the quality of assistive technology provision. The KWAZO asks seven questions about patient satisfaction with the process of providing medical aids. Patients can answer the questions with "inadequate = 1" "adequate = 2", or "good =3". Total score: wise score (7-21), where a high score indicates a high degree of satisfaction with the device provided.

Health-related quality of life is measured using the EuroQol EQ-5D-5L questionnaire at baseline and three follow-up time points (T0-T3). Responses across the five EQ-5D dimensions (mobility, self-care, usual activities, pain/discomfort, anxiety/depression). The EQ-5D-5L consists of five items. For each item, participants rated the extent of their problems from "no problems =1" to "extreme problems = 5"

The iMTA Medical Consumption Questionnaire (iMCQ) is an instrument for measuring medical consumption. The iMCQ includes questions on type and number of appointments with health care professionals in the last 4 months, type and number of received treatment, support or other social and health care interventions. The iMCQ is a generic questionnaire. It is therefore not disease specific. In other words, reference is made to healthcare consumption due to illness, disability or psychiatric problems, without specifying a particular disease.