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Table 1 Demographic, pain history, and study variable information for the study sample (N = 269)

From: Cross-cultural adaptation and psychometric properties of the Thai version of the patient-reported outcomes measurement information system short form– depression 8a in individuals with chronic low back pain

Characteristic

n (%)

Mean (SD)

Self-identified sex

  

 Female

189 (70)

 

 Male

80 (30)

 

Age (years)

 

42.5 (16.6)

Height (cm)

 

162.1 (8.9)

Weight (kg)

 

63.6 (14.2)

Body mass index (kg/m2)

 

24.1 (4.9)

Employment status*

  

 Working full time

202 (75)

 

 Unemployment

67 (25)

 

Pain Duration (months)

 

33.7 (35.8)

Pain Intensity (T-NRS; 0–10)

  

 Current pain

 

5.9 (1.9)

 Average pain (7-day)

 

5.9 (1.8)

Disability (T-FRI; 0-100)

 

45.5 (15.3)

T-PHQ-9 (0–27)

 

8.4 (5.2)

T-PROMIS-D-8a

 

53.8 (9.0)

  1. *Percentages sum to > 100% due to rounding errors
  2. Note T-NRS = Thai version of the Numeric Rating Scale; T-FRI = Thai version of the Functional Rating Index; T-PHQ-9 = Thai version of the Patient Health Questionnaire 9; T-PROMIS-D-8a = Thai version of the Patient-Reported Outcomes Measurement Information System Short Form - Depression 8a