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. 2018 Oct 4;13(10):e0205308. doi: 10.1371/journal.pone.0205308

Table 3. Internal consistency.

Scale and items N Items Item-Total correlation Mean Inter-Item correlation Cronbach’s alpha
Physical
Includes items 01, 02, 03, 09, 10, 11, 14, 15
181 8 0.24–0.74 0.47 0.87
Psychosocial
Includes items 04, 05, 06, 12, 13, 16, 17
183 7 0.53–0.83 0.70 0.94
Social
Includes items 07, 08, 18, 19
187 4 0.66–0.90 0.73 0.92