Table 3.
Demographic Characteristics of COGS Participants
| PRO | REL | CCS | Post hoc significant at P < 0.05 (following significant group effect)a | |
|---|---|---|---|---|
| n | 154 | 343 | 191 | |
| Age (years)a | ||||
| Mean | 35.3 | 45.5 | 37.3 | REL > CCS |
| SD | (11.0) | (13.8) | (12.1) | REL > PRO |
| Education (years)a | ||||
| Mean | 13.5 | 15.4 | 15.4 | CCS > PRO |
| SD | (2.8) | (2.8) | (2.8) | REL > PRO |
| Parental education (years)a | ||||
| Mean | 15.7 | 14.7 | 14.9 | PRO > REL |
| SD | (3.4) | (3.6) | (3.0) | PRO > CCS |
| Sex: M:Fa | 110:44 | 151:192 | 81:110 | PRO disproportionately male vs CCS and REL |
Note: aP < 0.05 by univariate ANOVA or chi square. Post hoc analyses were pairwise Tukey least significant difference or pairwise (2 × 2) chi square. Parental education is the level of education achieved by the participant's mother or father, whichever is highest. PRO, proband; REL, relative; CCS, community comparison subject.