Table 1.
Descriptive Statistics for the Neuroticism Scale of the EPQ in 12,836 Female Probands, 7,579 Male Probands, 12,581 Female Siblings, and 7,834 Male Siblings[Note]
|
Mean (SD) |
|||||
| Respondent Group | Total | Males | Females | Sex tStatistic | P |
| Probandsa | .79 (−.3) | .71 (−.3) | .83 (−.3) | 29.91 | <.001 |
| Siblings | .77 (−.3) | .69 (−.3) | .83 (−.3) | 31.688 | <.001 |
Note.— The neuroticism scale is an angular transformation of the raw neuroticism score.
a
Respondents in the initial cohort whose sibling(s) also responded to the questionnaire.