Table 3.
Reliability Indices for MAYSI-2 scales for total sample and by ethnic group
| MAYSI-2 scale (number of items in scale) | Total Sample (U.S.)a
(n = 955) |
Dutch (n = 212) |
Moroccan (n = 258) |
Antil/Sur (n =207) |
Mixed (n = 278) |
|||||
|---|---|---|---|---|---|---|---|---|---|---|
| α | MC | α | MC | α | MC | α | MC | α | MC | |
| Alcohol/Drug Use (8) | .85 (.85) | .58 (.58) | .85 | .59 | .85 | .58 | .80 | .51 | .83 | .56 |
| Angry-Irritable (9) | .77 (.80) | .45 (.49) | .79 | .48 | .79 | .48 | .73 | .41 | .71 | .40 |
| Depressed-Anxious (9) | .64 (.72) | .33 (.40) | .59 | .28 | .70 | .39 | .56 | .26 | .68 | .36 |
| Somatic Complaints (6) | .59 (.75) | .34 (.49) | .54 | .30 | .67 | .41 | .54 | .30 | .59 | .40 |
| Suicide Ideation (5) | .80 (.80) | .60 (.60) | .80 | .60 | .84 | .65 | .83 | .63 | .77 | .55 |
| Thought Disturbance (5) | .48 (.61) | .28 (.37) | .46 | .25 | .61 | .40 | .41 | .22 | .45 | .25 |
| Traumatic experiences (5) | .61 (.63) | .37 (.39) | .59 | .35 | .64 | .41 | .56 | .33 | .59 | .35 |
aNumber in parentheses represents the value reported in the U.S. boys sample (Grisso, et al., 2002); Note: α = Alpha; Antil/Sur = Antillean or Surinamese; MC = mean corrected-item-to-total correlation; an inspection of the alpha-if-deleted output showed that deleting an item would not substantially be improved