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Table 1 Characteristics of participating caregivers and their care recipients (n = 93)

From: Sense of competence questionnaire among informal caregivers of older adults with dementia symptoms: A psychometric evaluation

Characteristics

Value

Na

Caregivers' socio-demographics

  

Age, mean ± SD (range)

62.9 ± 14.4 (32.5–91.2)

87

Gender, female (%)

71

93

Relation with the care recipient

 

92

   Spouse

41%

 

   Child

50%

 

   Child in law

4%

 

   Other (friend, other member of the family)

5%

 

Married (%)

83

86

Widowed (%)

1

 

Living together with the care recipient (%)

47

93

Months spent on caring, median (25th percentile, 75th percentile)

24.0 (16.0, 48.0)

63

Hours spent on caring a week, median (25th percentile, 75th percentile)

7.0 (3.0, 41.0)

65

Help from other persons/shared care (%)

61

83

Educational level, primary school or no education (%)

15

88

Caregivers' sense of competence

  

Overall SCQ, mean ± SD (range)

107.7 + 13.7 (65.9–132.0)

93

Subscale 1. Satisfaction with one's own performance as a caregiver, mean ± SD (range)

49.2 ± 6.5 (29.0–60.0)

93

Subscale 2. Consequences of involvement in care for the personal life of the caregiver, mean ± SD (range)

28.6 ± 6.2 (13.0–40.0)

93

Subscale 3. Satisfaction with the care recipient, mean ± SD (range)

29.9 ± 4.2 (16.0–35.0)

93

Caregivers' general (health) functioning

  

Self reported health, good, very good or excellent health (%)

69

88

Chronic disease, one or more chronic diseases (%)

67

88

Caregiver's burden, SPPIC, mean ± SD (range)

3.5 ± 2.6 (0–9.0)

82

Mastery, mastery, mean ± SD (range)

25.3 ± 4.9 (16.0–35.0)

85

Depressive symptoms, CES-D, mean ± SD (range)

10.9 ± 6.9 (0–35.0)

88

Mental quality of life, MCS of the SF-36, mean ± SD (range)

49.5 ± 9.8 (23.6–68.1)

88

Caregiver's distress associated with patient's neuropsychiatric symptoms, NPI-Q distress, mean ± SD (range)

7.7 ± 8.3 (0–38.0)

84

Patients

  

Cognitive functioning, MMSE-score, mean ± SD (range)

22.4 ± 4.0 (8–28)

90

Months with symptoms, median (25th percentile, 75th percentile)

26.0 (19.0, 48.0)

65

Severity of neuropsychiatric symptoms, NPI-Q, mean ± SD (range)

6.3 ± 5.6 (0–27.0)

84

Initiative to perform self-care, IDDD, mean ± SD (range)

11.9 ± 8.5 (0–32.0)

82

Actual performance of self-care, IDDD, mean ± SD (range)

13.7 ± 9.7 (0–40.0)

84

  1. Na = number of completed questionnaires; SD = Standard Deviation; SCQ = Sense of Competence Questionnaire; SPPIC = Self-Perceived Pressure of Informal Care questionnaire; CES-D = Center for Epidemiologic Studies Depression Scale; MCS = Mental Component Summary; SF-36 = MOS 36-item Short-Form health survey; NPI-Q = Neuropsychiatric Inventory-Questionnaire; MMSE = Mini Mental State Examination; IDDD = Interview for Deterioration in Daily life in Dementia