Table 2 Missing values per variable for caregivers (intervention and usual care)
Variable | Missingness, N (170) (%) |
|---|---|
Caregiver demographics | |
Caregiver relationship with patient | 2 (1.2) |
Caregiver age | 24 (14.1) |
Caregiver gender | 2 (1.2) |
Caregiver SIMD | 10 (5.9) |
Caregiver time to follow-up | 6 (3.5) |
Hospital anxiety and depression scale (HADS) questions | |
I feel tense or wound up | 6 (3.5) |
I still enjoy the things I used to enjoy | 4 (2.4) |
I get a sort of frightened feeling as if something awful is about to happen | 4 (2.4) |
I can laugh and see the funny side of things | 3 (1.8) |
Worrying thoughts go through my mind | 4 (2.4) |
I feel cheerful | 3 (1.8) |
I can sit at ease and feel relaxed | 4 (2.4) |
I feel as if I am slowed down | 4 (2.4) |
I get a sort of frightened feeling like “butterflies” in the stomach | 5 (2.9) |
I have lost interest in my appearance | 5 (2.9) |
I feel restless as if I have to be on the move | 7 (4.1) |
I look forward with enjoyment to things | 6 (3.5) |
I get sudden feelings of panic | 5 (2.9) |
I can enjoy a good book or radio or television programme | 8 (4.7) |
Carer strain index questions | |
Sleep is disturbed | 5 (2.9) |
It is inconvenient | 6 (3.5) |
It is a physical strain | 7 (4.1) |
It is confining | 7 (4.1) |
There have been family adjustments | 5 (2.9) |
There have been changes in personal plan | 5 (2.9) |
There have been emotional adjustments | 7 (4.1) |
Some behaviour is upsetting | 5 (2.9) |
It is upsetting to find has changed so much from his or her former self | 10 (5.9) |
There have been work adjustments | 7 (4.1) |
It is a financial strain | 5 (2.9) |
Feeling completely overwhelmed | 5 (2.9) |
There have been other demands on my time | 5 (2.9) |
Insomnia severity index questions | |
Difficulty falling asleep | 19 (11.2) |
Difficulty staying asleep | 20 (11.8) |
Problem wakening up too early | 31 (18.2) |
How many nights per week were you bothered by problems sleeping | 4 (2.4) |
How satisfied or dissatisfied are you with your current sleep pattern | 4 (2.4) |
To what extent do you consider your sleep problem to interfere with your daily functioning | 3 (1.8) |
How noticeable to others do you think your sleeping problem is in terms of impairing the quality of your life | 3 (1.8) |
How worried or distressed are you about your current sleep problem | 3 (1.8) |