Knee Pain Outcomes | Restless Sleep in Past Week in the CES-D | |||
---|---|---|---|---|
> 3–4 Days (Ref.) | 1–2 Days | < 1 Day | P Trend | |
Consistent frequent knee pain | ||||
Cross-sectional association for prevalent consistent frequent knee pain, n = 4640 | ||||
Knee, n/N (%)1 | 475/1050 (29.6) | 626/1948 (39.0) | 504/1642 (31.4) | |
OR (95% CI)2 | 1.0 (ref) | 0.73 (0.60–0.89) | 0.76 (0.61–0.94) | 0.03 |
Longitudinal association for incident consistent frequent knee pain, n = 2646 | ||||
Knee, n/N (%) | 122/497 (24.4) | 221/1178 (44.1) | 158/971 (31.5) | |
OR (95% CI) | 1.0 (ref) | 0.91 (0.60–1.37) | 1.14 (0.70–1.84) | 0.35 |
Knee pain worsening, n = 4658 | ||||
Widespread pain absence, n = 2746 | ||||
Knee, n/N (%) | 81/434 (18.7) | 253/1174 (21.6) | 216/1138 (19.0) | |
OR (95% CI) | 1.0 (ref) | 1.33 (0.93–1.91) | 1.11 (0.75–1.63) | 0.85 |
Widespread pain presence, n = 1912 | ||||
Knee, n/N (%) | 222/618 (35.9) | 243/780 (31.1) | 157/514 (30.5) | |
OR (95% CI) | 1.0 (ref) | 0.78 (0.59–1.02) | 0.73 (0.53–1.00) | 0.05 |
↵1 No. knees: n (knees with pain worsening or incident joint pain) / N (total no. knees).
↵2 Model adjusted for age (yrs), sex (men vs women), race (white vs non-white), study site, BMI (kg/m2), education level (college and above vs below college), tobacco use (pack-yrs), Charlson Comorbidity Index (range 0–9), fatigue (10-point scale), CES-D depression indicator (yes, no), and prescription use of NSAID (yes, no). BMI: body mass index; NSAID: nonsteroidal antiinflammatory drug.