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Table 4 Subgroup and age analysis

From: Reliability and validity of the Spinal Appearance Questionnaire (SAQ) and the Trunk Appearance Perception Scale (TAPS)

  SAQ Appearance SAQ Expectations SAQ total score TAPS
Cobb angle 10 to 39° (n = 133) 20.62 ± 4.83 12.89 ± 4.75 33.51 ± 8.22 3.57 ± 0.62
Cobb angle ≥ 40° (n = 122) 27.54 ± 8.38 13.88 ± 4.94 41.42 ± 11.61 2.81 ± 0.97
Significance of differences in Cobb angle groups F = 30.26, df = 1, 252, P < 0.01 F = 1.11, df = 1, 252, P = 0.29 F = 8.68, df = 1, 252, P < 0.01 F = 23.11, df = 1, 252, P < 0.01
Correlations with age 0.58** 0.18** 0.49** − 0.59**
Age 14 to < 18 years (n = 59) 21.20 ± 5.78 13.92 ± 4.68 35.12 ± 8.55 3.57 ± 0.64
Age 18 to 45 years (n = 130) 21.35 ± 5.49 12.18 ± 4.81 33.54 ± 8.93 3.48 ± 0.69
Age ≥ 46 years (n = 66) 31.44 ± 7.64 15.20 ± 4.50 46.64 ± 10.24 2.35 ± 0.89
Significance of differences in age groups F = 40.41, df = 1, 252, P < 0.01 F = 1.16, df = 1, 252, P = 0.28 F = 10.89, df = 1, 252, P < 0.01 F = 44.44, df = 1, 252, P < 0.01
  1. Means and standard deviations of SAQ sum scores and TAPS mean score are presented; for displayed correlations: **P < 0.01; F values result from a MANCOVA with Cobb angle as independent variable, age as covariate, and SAQ and TAPS as dependent variables