Table 2.
Parent SNAP-IV Scores by Years of Age in a Representative School District Sample of 1,613 Children
| Child age | ||||||||
|---|---|---|---|---|---|---|---|---|
|
|
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| 5 (n = 210) |
6 (n = 257) |
7 (n = 294) |
8 (n = 267) |
9 (n = 278) |
10 (n = 246) |
11 (n = 61) |
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|
| ||||||||
| Boys | ||||||||
|
| ||||||||
| Child race | Subscale | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) |
| African
American (n = 167) |
Inattention | .66 (.79) | .75 (.75) | 1.09 (.95) | 1.07 (.74) | 1.12 (.90) | 1.08 (1.03) | 1.47 (.84) |
| Hyperactive/Impulsive | .93 (.82) | .89 (.80) | 1.08 (.79) | 1.09 (.77) | 1.02 (.94) | .81 (.79) | 1.31 (.56) | |
| Oppositional defiant | .66 (.85) | .47 (.63) | .84 (.82) | .75 (.78) | .84 (.95) | .62 (.79) | .78 (.49) | |
|
| ||||||||
| Caucasian (n = 377) |
Inattention | .46 (.57) | .66 (.74) | .73 (.82) | .84 (.77) | 1.01 (.86) | .78 (.75) | .72 (.79) |
| Hyperactive/Impulsive | .58 (.72) | .78 (.72) | .83 (.81) | .72 (.72) | .80 (.77) | .68 (.62) | .77 (.84) | |
| Oppositional defiant | .37 (.45) | .63 (.74) | .66 (.75) | .62 (.64) | .66 (.72) | .71 (.76) | .60 (.88) | |
|
| ||||||||
| All
boys (n = 544) |
Inattention | .52 (.64) | .69 (.74) | .84 (.87) | .92 (.77) | 1.05 (.87) | .86 (.84) | .86 (.83) |
| Hyperactive/Impulsive | .69 (.76) | .82 (.75) | .90 (.81) | .84 (.75) | .87 (.83) | .71 (.67) | .87 (.81) | |
| Oppositional defiant | .46 (.61) | .58 (.71) | .72 (.77) | .66 (.69) | .72 (.79) | .68 (.77) | .64 (.81) | |
|
| ||||||||
| Girls | ||||||||
|
| ||||||||
| Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | ||
|
| ||||||||
| African
American (n = 338) |
Inattention | .37 (.48) | .54 (.66) | .56 (.69) | .41 (.56) | .65 (.80) | .56 (.76) | .98 (.59) |
| Hyperactive/Impulsive | .66 (.65) | .58 (.56) | .67 (.66) | .40 (.40) | .73 (.71) | .41 (.52) | .99 (.73) | |
| Oppositional defiant | .40 (.62) | .37 (.66) | .42 (.59) | .31 (.56) | .58 (.75) | .39 (.69) | 1.30 (1.06) | |
|
| ||||||||
| Caucasian (n = 731) |
Inattention | .33 (.47) | .55 (.70) | .50 (.63) | .57 (.67) | .50 (.64) | .52 (.69) | .93 (.97) |
| Hyperactive/Impulsive | .57 (.52) | .72 (.75) | .52 (.53) | .54 (.57) | .42 (.46) | .44 (.50) | .68 (.76) | |
| Oppositional defiant | .43 (.52) | .56 (.66) | .40 (.50) | .51 (.69) | .31 (.46) | .31 (.39) | .57 (.75) | |
|
| ||||||||
| All
girls (n = 1069) |
Inattention | .34 (.48) | .55 (.69) | .52 (.65) | .52 (.64) | .54 (.69) | .53 (.71) | .95 (.86) |
| Hyperactive/Impulsive | .60 (.58) | .67 (.70) | .57 (.58) | .50 (.52) | .51 (.56) | .43 (.51) | .78 (.76) | |
| Oppositional defiant | .42 (.56) | .50 (.66) | .40 (.53) | .45 (.65) | .39 (.57) | .33 (.48) | .81 (.92) | |