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Table 1 Demographic characteristics of participants

From: Investigating psychometric properties of the Thai version of the Zarit Burden Interview using rasch model and confirmatory factor analysis

Demographic characteristicsNumber (%) or mean (SD)
Age (year)–mean (SD)55.0 (12.9)
Sex, female79 (77.5) 
Years of education13.8 (4.6)
Relationship to the patient
 Spouse21 (20.6)
 Parents1 (1.0)
 Offspring70 (68.6)
 Relatives5 (4.9)
 Nonrelated (hired caregiver)5 (4.9)
Length of caregiving, median, IQR, min–max (years)3, 5, (0.3–50.0)
Number of hours per day15.4 (8.1)
Number of days per week6.3 (1.4)
Having physical illness53 (52.0)
Having mental problems8 (7.8)
Clinical data
 ZBI-2218.4 (14.3)
 ZBI-1210.6 (7.49)
 EQ-5D0.88 (0.15)
 Mobility1.47 (0.83)
 Self-care1.17 (0.69)
 Usual activities1.32 (0.77)
 Pain/discomfort1.90 (0.79)
 Anxiety/depression1.63 (0.80)
PSS14.6 (4.95)
PHQ-94.11 (3.96)
  1. SD, standard deviation; IQR, interquartile range; ZBI, Zarit Burden Interview; PHQ-9, Patient Health Questionnaire-9; PSS, Perceived stress scale