Prevalence of and characteristics associated with insomnia and obstructive sleep apnea among veterans with knee and hip osteoarthritis

Table 1 Participant demographic and clinical characteristics

Participant Characteristics (n = 300)	M (SD)/ % (N)
Age	61.1 (9.2)
Gender
Male	91% (273)
Race
Non-Hispanic White	50% (150)
Education
Some College Education	73% (219)
Self-Rated Health
Excellent, Very Good, or Good	62% (186)
BMI	33.8 (5.9)
PTSD Diagnosis	28% (84)
WOMAC Pain^a	10.2 (4.0)
Depressive Symptoms^b	6.8 (5.4)
# Joints with Arthritis Symptoms	6.2 (3.6)
Opioid Use	30% (88)
Years with OA Symptoms	14.5 (12.6)
Insomnia severity
ISI	11.4 (8.0)
Obstructive sleep apnea risk
High risk per BQ	66% (198)

BMI body mass index, PTSD post-traumatic stress disorder, WOMAC Western Ontario and McMaster Universities Osteoarthritis Index, OSA obstructive sleep apnea
^aPossible Range = 0–20
^bPossible Range = 0–24
2 participants are missing ISI and Berlin scores, 1 participant is missing a WOMAC pain score, and 4 patients are missing a PHQ-8 score. 4 participants are missing data on opioid use

ISSN: 1471-2474