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Table 3 Mann Whitney U test comparing scores on the E-GDS-15 and the I-GDS-15

From: Cross-cultural adaptation and validation of the 15-item Geriatric Depression Scale (GDS-15) into Igbo language: a validation study

Variable Mean ± SD U P
English Igbo
GDS1 0.96 ± 0.19 0.96 ± 0.19 9800.000 1.000
GDS2 0.84 ± 0.37 0.84 ± 0.37 9730.000 0.871
GDS3 0.17 ± 0.39 0.19 ± 0.39 9660.000 0.755
GDS4 0.24 ± 0.43 0.25 ± 0.44 9730.000 0.890
GDS5 0.93 ± 0.26 0.94 ± 0.23 9660.000 0.627
GDS6 0.10 ± 0.30 0.13 ± 0.34 9520.000 0.453
GDS7 0.93 ± 0.26 0.94 ± 0.23 9660.000 0.627
GDS8 0.38 ± 0.49 0.31 ± 0.47 9170.000 0.259
GDS9 0.16 ± 0.37 0.19 ± 0.39 9520.000 0.527
GDS10 0.40 ± 0.49 0.40 ± 0.49 9800.000 1.000
GDS11 0.97 ± 0.17 0.98 ± 0.15 9730.000 0.702
GDS12 0.09 ± 0.29 0.10 ± 0.30 9730.000 0.840
GDS13 0.82 ± 0.38 0.74 ± 0.44 8960.000 0.085
GDS14 0.08 ± 0.27 0.08 ± 0.27 9800.000 1.000
GDS15 0.16 ± 0.37 0.15 ± 0.36 9660.000 0.743
Total 7.24 ± 1.86 7.20 ± 1.86 9710.500 0.893
  1. E-GDS-15: English version of the Geriatric Depression Scale questionnaire
  2. I-GDS-15: Igbo version of the Geriatric Depression Scale questionnaire