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Table 2 List of factors that were suggested to influence activity involvement of care home residents with dementia that were represented in the LAD-study; description of variables and measurement specifications

From: Predictors of activity involvement in dementia care homes: a cross-sectional study

Proposed factor in literature

Selected variables in LAD-study

Measurement specifications

Characteristics of residents with dementia

  Age

1. Age

Years acquired by date of birth (42 to 101)

  Gender

2. Gender

Male or female

  Marital status

3. Having a life partner

Life partner yes or no/diseased

  Length of stay

5. Length of stay

< 6 months or >6 months

  ADL dependency

6. ADL dependency

Katz ADL dependency scale (1 to 7)

  Immobility

7. Immobility

Transfer-item of Katz scale was dichotomized in mobile (being able to transfer independently with or without instrumental means) and immobile (hardly or not able to transfer independently)

  Cognitive functioning

8. Cognitive impairment

Cognitive Performance Scale (CPS; 0 to 6)

  Behavioral symptoms

9. Challenging behavior

Short version Neuropsychiatric Inventory questionnaire (NPI-Q; 0 to 36)

  depression

10. Depression

The separate NPI-Q items for depression, agitation, anxiety, and apathy were dichotomized into no or rare occurrence, and frequent occurrence.

  agitation

11. Agitation

  anxiety

12. Anxiety

  passivity, apathy (loss of interest or lack of motivation)

13. Apathy

Characteristics of resources of finances, staff ratio and educational level

  Staff ratio / shortness of time and resources

14. Staffing levels

Hours of care staff available per week per resident on dementia care wards (13.86 to 30.48)

  Insufficient knowledge of dementia / lack of skills / Formal staff training

15. Educational level of care staff

Percentage of scheduled care staff with education level 3 (certified nursing assistant) or higher (22.70 to 100)

  Ratio receiving professional or unprofessional treatment / Involvement of physicians or paramedics in care planning

16. Availability of (para)medics

Number of available hours of (para)medic staff per week per resident of dementia care wards (0 to 5.06)

  Instability of care team / High staff turnover / leave of skilled staff that were not replaced

17. Number of vacancies

Number of care staff vacancies per resident of dementia ward that were not yet fulfilled (0 to 0.22)

18. Average sick leave

Average percentage of sick leave of the past 6 months concerning staff working on dementia care wards (0.82 to 17.0)

Characteristics of modern or traditional care culture of the care facility

  Strong management and leadership

19. Transformational leadership

Global Transformational Leadership (GTL) scale (1 to 5)

  Person centered care / approach to people with dementia/ positive person work / insufficient attention to resident’s occupational needs, initiatives and capabilities / Lack of understanding importance of occupation / Task oriented working / Prioritization of physical over psychosocial needs / Organizational routines limiting autonomy of residents/ Family involved in assessment activities

20. Person-centered care

Person-centered Care Assessment Tool (P-CAT; 1 to 5). 12 of the 14 items were used based on factor analyses: items 4 and 13 were dropped

21. Family perceived involvement

Family Perception of Caregiver Role (FPCR) instrument (1 to 7). 23 of the 31 items were used based on factor analyses: items 3–6, 8, 13, 14 and 17 were dropped.

  Philosophy of care

22. Philosophy of care

Unanimity in care philosophy questionnaire (1 to 5)

  Psychotropic / anticholinergic / antipsychotic / sedative drug use

23. Psychotropic drug use

Average number of prescribed psychotropic drugs per resident (0.17 to 2.38)

  Use of physical restraints

24. Physical restraint use

Average number of physical restraints applied per resident (bed rails not included; 0 to 0.74)

Characteristics of job strain as perceived by care staff

  Perceived high workload / lack of time / emotional and task related demands / work stress

25. Job demands

Work and time pressure subscale of the Leiden Quality of Work Questionnaire (LQWQ; 1 to 4)

26. Decision authority

Decision authority subscale of the LQWQ (1 to 4)

27. Burn-out complaints

emotional exhaustion subscale Utrecht Burn-out Scale-C (UBOS; 0 to 6)

  Work satisfaction

28. Job satisfaction

Job satisfaction subscale LQWQ (1 to 4)

  Perceived support of staff

29. Social support colleagues

Social support co-workers subscales LQWQ (1 to 4)

  Perceived support of manager

30. Social support supervisor

Social support supervisor subscales LQWQ (1 to 4)

  Competence to provide suited activities / Perceived success in treatment of residents

31. Feelings of competence

Feelings of competence subscale UBOS (0 to 6)

Characteristics of the physical care environment

  Number of residents in facility / smaller size of facility

32. Total number of residents of care home

Total number of residents of the dementia care wards of care home (6 to 161)

  Small scale living facility / Familiar environment / homelike environment or atmosphere / household environment / social interaction enhancing environment / small group of people

33. Group living home care characteristics

14-item version of the Questionnaire ‘Group Living Home Characteristics’ (0 to 56)

Characteristics of the organization of activities

  (Absence of) large group activity offer or standardized activities/ Individual and small group activity offer / lack of organized activities / activity choices / availability of various and ongoing or continuous activities / focus on everyday occupation

34. Central activity program

Are there activities organized by a central activity program, are there activities that are offered in the living rooms, and are there activities organized in the form of in clubs (more options are possible) – all variables dichotomized in yes or no.

35. Activities that are offered in the living rooms

36. Activities in the form of in clubs

  Activity provision not restricted to activity workers / no specialized worker perspective

37. Activities are (also) offered by care staff

yes or no

  Activities provided by recreational staff / absence of activity staff

38. Availability of recreational or activity staff

Number of available hours per week per resident of dementia care wards (0 to 4.71)

  Family involvement (hr/week)

39. Availability of help of family caregivers

Number of hours of help from family caregivers per week per resident (0 to 4.20)

40. Availability of help of volunteers

Number of hours of help from volunteers per week per resident (0 to 6.67)

  1. In this Table, only predicting variables have been included that were measured in the LAD-study. In the literature, more predictors were suggested (see Additional file 1)