Table 4. Prevalence of depression, pain and related factors among study participants (n = 390).

Clinical characteristics (n = 390)	Number (%) Positive	95%CI
Depression
Major depression	64 (16.4)	13.1, 20.4
Subthreshold depression	68 (17.4)	14.0, 21.5
Suicidal ideation	72 (18.5)	9.1, 21.2
Functional Impairment	268(68.7)	64.0, 73.2
Pain complaint in the last 2 weeks
As measured by VRS
No	89 (22.8)	18.9, 27.2
Mild	58(14.9)	11.6, 18.7
Moderate	144(36.9)	32.2, 41.8
Severe	99(25.4)	21.3, 29.9
As measured by NRS
NRS >3	269(69.0)	64.3, 73.4
Under pain medication(n = 390)	189(48.5)	43.5, 53.4

VRS = Verbal Rating Scale

NRS = Numeral Rating Scale