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Table 6 Discriminative properties with respect to age

From: Psychometric properties of the osteoporosis assessment questionnaire (OPAQ) 2.0: results from the multiple outcomes of raloxifene evaluation (MORE) study

  Mean Age p-value
OPAQ Scales < 65 (n =427) 65 ≤ x ≤70 (n =378) > 70 (n =672) Linear Trenda p-valueb
Walking/bending 85.40 85.27 82.92 0.3982 0.0285*
Standing/sitting 80.91 79.48 76.89 0.9784 0.0393*
Dressing/reaching 93.81 92.58 90.64 0.1771 0.2491
Household/self-care 94.00 92.99 89.24 0.0285* 0.0095*
Transfers 91.29 90.52 89.28 0.4317 0.0111*
Usual work 92.73 91.47 88.58 0.7529 0.4834
Fear of falls 77.54 72.13 68.08 <0.0001*** 0.3762
Level of tension 63.95 67.63 68.49 <0.0001*** 0.6880
Body image 65.74 66.89 62.50 0.6496 0.0966
Independence 85.59 83.56 80.49 0.0029* 0.2028
Back pain 74.69 71.91 69.73 0.7442 0.0922
Fatigue 61.35 61.90 62.07 0.0016* 0.9252
Social activity 39.44 39.79 40.85 0.0034* 0.6037
Support, family and friends 82.57 85.42 86.44 <0.0001*** 0.6565
  1. Abbreviations: n = number; OPAQ = Osteoporosis Assessment Questionnaire.
  2. *p < 0.05; **p < 0.001; ***p < 0.0001.
  3. ap-values for linear trend based on analysis of covariance model controlling for country of origin, age, body mass index (BMI), years since menopause, smoking status (yes vs. no), alcohol consumption (yes vs. no), and number of preexisting conditions.
  4. bp-values based on analysis of covariance model controlling for country of origin, age, body mass index (BMI), years since menopause, smoking status (yes vs. no), alcohol consumption (yes vs. no), and number of preexisting conditions.