Skip to main content
. 2021 Oct 22;25(1):4–37. doi: 10.1111/hex.13374

Table 2.

Study and caregiver sample characteristics in the 50 studies included in the review

Author (year) Country Sample size (n) Age, mean (SD) Gender (% F) Relationship to care‐recipient (%) CNC
Castellano‐Tejedor and Lusilla‐Palacios (2017) 58 Spain 75 48.55 (12.55) 84.0

Spouse/partner: 44

Offspring: 39

Sibling: 8

Parent: 5

Other: 3

SCI
Senturk et al. (2018) 59 Turkey 103

56.5 (9.91)

85.4

Spouse: 36.9 Mother: 42.7

Father: 16.5

Relative: 3.9

Dementia
Garity (1997) 76 USA 76

61.5 (14.1)

71.0

Spouse: 43

Offspring: 42

Sister: 8

Grandchild: 7

AD
Scholten et al. (2020) 60 The Netherlands 157

55.5 (12.4)

61.8

Partner: 78.3

Parent: 8.9

Child: 7

Other: 5.8

SCI, ABI
Brickell et al. (2020) 77 USA 346

40.6 (9.3)

96.2

Spouse/partner: 91

Other: 9

TBI
Simpson and Jones (2013) 91 Australia

61

(TBI: 30 SCI: 31)

ABI: 54 (12) SCI: 50 (14) 90.2

Parent: 39.4

Spouse: 54.1

Other: 6.6

TBI, SCI
Cousins et al. (2013) 61 UK 27 NIV 74.0

Spouse/partner: 40.1

Offspring: 7.4

Sibling: 11.1

Parent: 3.7

MND
57.56 (11.70)
Declined NIV
65.88 (10.45)
Elnasseh et al. (2016) 62 Spain 105 57.71 (13.35) 74.3 NR Dementia
Ertl et al. (2019) 63 Spain 95

51.1 (13.85)

78.0

Spouse/partner: 60

Offspring: 26.3

Sibling: 9.5

Parent: 4.2

PD
Fitzpatrick and Vacha‐Haase (2010) 78 USA 30

76.4 (6.0)

70.0 Spouse: 100 Dementia (AD or other)
Kimura et al. (2019) 87 Brazil 43

51.1 (15.2)

97.1

Spouse: 48.8

Offspring: 34.9 Sibling: 9.3

Other: 7

Young‐onset AD
Ruisoto et al. (2020) 64 Spain 283 59.93 (14.56) 65.7

Offspring: 55.5

Spouse: 40.6

Other: 3.9

Dementia
Scott (2013) 46 USA 110

63 (11)

80.2

Spouse: 36

Offspring: 59.5

Other: 4

AD
Pessotti et al. (2018) 88 Brazil 50

54.7 (11.1)

88.0

Wives: 32

Daughters: 54

Dementia
Wilks and Vonk (2008) 79 USA 304

63 (13.5)

77.0

Spouse: 43

Offspring: 39

Friend: 4

Other: 14

AD
Rosa et al. (2020) 90 Brazil 106

57.9 (13.75)

79.2

Spouse: 37.7

Offspring: 52.8

Other: 9.4

AD
Chan et al. (2019) 83 Malaysia 207

50.4 (14.5)

79.7 Spouse: 16.4 AD
Offspring: 61.4
Other: 17.4
Unknown: 4.8
Dias et al. (2016) 89 Brazil 58

62.5 (13.44)

79.3

Spouse: 44.8

Offspring: 51.7

Other: 3.4

Dementia (AD, vascular dementia, mixed dementia)
Serra et al. (2018) 65 Spain 326

59.9 (14.6)

65.7

Spouse: 55.5

Offspring: 40.6

Other: 3.9

Dementia
Sutter et al. (2016) 47 Spain 127

57.14 (13.01)

77.2

Spouse/partner: 17.8

Offspring: 22.2

Sibling: 60

Dementia
Jones et al. (2018, 2019) 48 UK 80 NR 73.8

Spouse: 65

Other: 35

Dementia
Jones, Killett et al. (2019) 55 ; Jones, Woodward et al. (2019) 49 UK 110 NR 66.0

Spouse: 62

Other: 38

Dementia
Wilks et al. (2011, 2018) 80 USA 691 61a 79.8

Spouse: 16.7

Offspring: 51.3

Sibling: 4.4

Grandchild: 6.6

Friend: 3.8

Other: 16.9

AD
Wilks (2008) 66 ; Wilks and Croom (2008) 82 USA 229 45a 90.0

Spouse: 30

Offspring: 49

Friend: 8

Grandchild: 5

Other: 8

AD
Anderson et al. (2019) 92 Australia 131

58.2 (14.3)

80.9

Spouse: 45

Parent: 44.3

Other: 10.7

TBI
Hayas et al. (2015) 50 Spain 237

55.6 (12.4)

77.6

Spouse: 47.3

Parent: 28.3

Child: 14.8

Sibling: 7.2

Other: 2.5

ABI
Vatter et al. (2018, 2020) 56 , 57 UK 136

69.44 (7.62)

85.3

Married: 94.9

Cohabitating: 5.1

PD‐related dementia
Ledbetter et al. (2020) 67 USA 312

42.3 (11.9)

80.8 Spouse/partner: 100 SCI
O'Rourke et al. (2010) 68 Canada 105

69.59 (8.66)

55.0 Spouse: 100 AD
Rivera‐Navarro et al. (2018) 51 Spain 326

60.1 (14.5)

67.2

Spouse: 41.4

Offspring: 52.5

Son‐/daughter‐in‐law: 2.5

Sibling: 0.9

Other: 2.5

Dementia
Tyler et al. (2020) 69 USA 253 59.92 (14.68) 73.1

Spouse: 68.8

Parent: 21.7

Friend: 1.2

Sibling: 4.3

Cousin: 0.4

Aunt/uncle: 1.2

Other: 2.4

PD
Ghaffari et al. (2019) 84 Iran 54

Control

43.4 (6.3)

Intervention

42.6 (6.2)

Control

70.0

Intervention

88.0

Control

Spouse: 20

Offspring: 80

Intervention

Spouse: 12

Offspring: 88

AD
Lavretsky et al. (2010) 75 USA 40

Control

63.3 (13.4)

Intervention

60 (9.4)

Control

55.0

Intervention

75.0

Spouse: 37.5

Offspring: 62.5

AD
MacCourt et al. (2017) 70 Canada 200 64.4a 79.0

Spouse: 61.9

Parent: 23

Other: 5.1

Dementia/AD
Pandya (2019)b , 85 India 96/96 (C/I)

Control

52.5 (10.67)

Intervention

52.68 (11.03)

Control

86.5

Intervention

81.3

Spouse: 54.6

Offspring: 23.3

Son/daughter in‐law: 22.1

AD
Maneewat et al. (2016) 86 Thailand 150 NR NR NR Dementia
Bull (2014) 71 USA 18

64 (14.1)

67.0

Spouse: 39

Offspring: 61

Dementia
Kidd et al. (2011) 72 USA 20 60.2a 85.0 Spouse: 100 Dementia
Bekhet and Avery (2018) 19 USA 80

57.0 (15.6)

90.0 NR Dementia
Roberts and Struckmeyer (2018) 73 USA 33 NR 87.9

Spouse: 42.4

Parent: 48.5

Offspring: 6.1

Sibling: 3

Dementia
Han et al. (2019) 25 USA 39 62 (7.4) 76.9 Spouse/partner: 7.7 AD and related dementias
Offspring: 82.1
Other: 10.2
Liu et al. (2020) 74 USA 27 69.04 (10.51) 77.8 Spouse: 46.2 Dementia
Offspring: 50
Sibling: 3.85
Donnellan et al. (2015, 2017, 2019) 38 UK 23

75 (7.46)

69.6 Spouse: 100 Dementia

Abbreviations: ABI, acquired brain injury; AD, Alzheimer's disease; CNC, chronic neurological condition; MND, motor neuron disease; NIV, noninvasive ventilation; NR, not reported; PD, Parkinson's disease; SCI, spinal cord injury; TBI, traumatic brain injury.

a

SD for the total sample not reported.

b

Pretest values reported.