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Table 2 Statistical analysis validation of the SDM-Q9

From: Spanish validation endorsement of SDM-Q-9, a new approach

 

Mean (DS)

Corrected Item-Total Correlation

Cronbach’s Alpha if Item Deleted

SDM QUESTION 1

4.88 (1.833)

.360

.841

SDM QUESTION 2

3.80 (2.046)

.598

.817

SDM QUESTION 3

3.11 (2.213)

.474

.831

SDM QUESTION 4

3.70 (2.257)

.542

.824

SDM QUESTION 5

4.82 (1.749)

.511

.827

SDM QUESTION 6

3.00 (2.026)

.599

.817

SDM QUESTION 7

3.62 (2.097)

.734

.801

SDM QUESTION 8

3.11 (2.260)

.523

.826

SDM QUESTION 9

4.45 (1.976)

.625

.815