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Table 2 Validity findings (Pearson r values)

From: Photographic measurement of upper-body sitting posture of high school students: A reliability and validity study

Validity Sagittal head angle Cervical angle Protraction/retraction angle Thoracic angle Arm angle
All angles measures from validity photos and LODOX 0.84 0.89 0.89 0.92 0.79
Upright (n = 13) 0.73 0.89 0.88 0.81 0.76
Normal(n = 13) 0.97 0.85 0.48 0.93 0.86
Slouched (n = 13) 0.84 0.79 0.90 0.93 0.66
Female (n = 20) 0.67 0.90 0.73 0.95 0.75
Male (n = 19) 0.92 0.89 0.87 0.86 0.87