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. Author manuscript; available in PMC: 2013 Jul 1.
Published in final edited form as: Arthritis Care Res (Hoboken). 2012 Jul;64(7):1070–1078. doi: 10.1002/acr.21630

Table 1.

Characteristics of SOF women in this study by average WOMAC pain subscale

WOMAC pain

Characteristics Never or mild pain on all activities (N= 1708) Moderate to extreme pain (>=1 activities)
(N= 517)
Whole cohort (N= 2225)
Demographics
 Current age (years) 83.82 +/− 3.29 83.72 +/− 3.27 83.8 +/− 3.28
 Body Mass Index (kg/m2) 26.6 +/− 4.72 27.62 +/− 4.78*** 26.83 +/− 4.75
 Education (years) 701 (41.04) 178 (34.43)** 879 (39.51)
Health
 Self rated health (Good vs. poor) 1396 (81.73) 344 (66.54)*** 1740 (78.2)
 Total Difficulty with IAL impairments (range 0–15) 2 +/− 3.25 3.61 +/− 3.92*** 2.37 +/− 3.48
 Geriatric depression score (0–15) 2.1 +/− 2.39 2.97 +/− 2.78*** 2.3 +/− 2.51
 Goldberg Anxiety scale (0–9) 1.73 +/− 1.98 2.7 +/− 2.13*** 1.95 +/− 2.05
 Fatigue 1137 (66.57) 447 (86.46)*** 1584 (71.19)
Physical Activity
 Number of blocks walked for exercise 3.93 +/− 6.99 2.65 +/− 5.82*** 3.63 +/− 6.76
Non Hip pain
 Recent Worsening of pain or Arthritis 260 (15.22) 142 (27.47)*** 402 (18.07)
 Back Pain 1053 (61.65) 453 (87.62)*** 1506 (67.69)
 Severity of back pain
  None 411 (24.06) 75 (14.51)*** 486 (21.84)
  Mild 536 (31.38) 282 (54.55) 818 (36.76)
  Moderate 106 (6.21) 96 (18.57) 202 (9.08)
  Extreme 260 (15.22) 142 (27.47) 402 (18.07)
Current Medications
 Benzodiazepines 105 (6.15) 57 (11.03)** 162 (7.28)
 Analgesics/Opioid use 66 (3.86) 46 (8.9)*** 112 (5.03)
 Non steroidal Anti Inflammatory Drugs 344 (20.14) 162 (31.33)*** 506 (22.74)
Actigraphy Measures
 Total Sleep time in bed 408.24 +/− 74.19 403.18 +/− 75.04 407.07 +/− 74.4
 Sleep Latency 38.59 +/− 36.58 38.65 +/− 38.97 38.6 +/− 37.14
 Sleep Efficiency 78.51 +/− 11.13 77.4 +/− 11.86 78.25 +/− 11.31
 Wake after sleep Onset 72.56 +/− 45.33 79.8 +/− 49.24* 74.25 +/− 46.36
 Napping 73.39 +/− 61.73 77.72 +/− 64.3 74.39 +/− 62.35
 Long Wake periods after sleep onset 6.45 +/− 3.04 6.88 +/− 3.32* 6.55 +/− 3.11
*

p<0.01

**

p<0.001,

***

p <0.0001