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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.