Table 2.
Final multivariate results with and without adjustment for clustering by school (those without adjustment significant at .05 or less)
| Logged cortisol—Time 1 |
Logged cortisol—Time 2 |
Per minute change T1 − T2 |
||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No adjustment for clustering |
Adjusted for clustering |
No adjustment for clustering |
Adjusted for clustering |
No adjustment for clustering |
Adjusted for clustering |
|||||||||||||
| B | S.E. | p | B | S.E. | p | B | S.E. | p | B | S.E. | p | B | S.E. | p | B | S.E. | p | |
| Males | ||||||||||||||||||
| Physical confounds (Block 1) | ||||||||||||||||||
| Cortisol on Monday | .094 | .015 | <.001 | .093 | .036 | .017 | .103 | .015 | <.001 | .102 | .042 | .025 | ||||||
| Time of measurement (hours) | −.194 | .033 | <.001 | −.196 | .102 | .069 | −.235 | .040 | <.001 | −.238 | .133 | .087 | ||||||
| Time since woken (hours) | −.085 | .009 | <.001 | −.086 | .014 | <.001 | −.038 | .009 | <.001 | −.039 | .011 | .002 | −.054 | .007 | <.001 | −.054 | .008 | <.001 |
| Age (months) | .004 | .001 | .014 | .004 | .002 | .054 | .003 | .002 | .033 | .003 | .002 | .132 | ||||||
| Maturity rating | ||||||||||||||||||
| Average | ||||||||||||||||||
| Below average | −.044 | .017 | .009 | −.044 | .021 | .051 | −.061 | .017 | <.001 | −.061 | .020 | .006 | ||||||
| Above average | −.017 | .015 | .247 | −.017 | .008 | .051 | −.002 | .015 | .915 | .000 | .015 | .986 | ||||||
| Misc confounds (Block 2) | ||||||||||||||||||
| Eaten (hour) | −.026 | .012 | .030 | −.026 | .016 | .124 | −.047 | .012 | <.001 | −.047 | .017 | .014 | ||||||
| Cigarette (hour) | .062 | .023 | .008 | .061 | .023 | .015 | .047 | .024 | .047 | .048 | .025 | .073 | ||||||
| Life events (Block 3) | ||||||||||||||||||
| Attacked or hurt (year) | .036 | .014 | .008 | .036 | .012 | .007 | ||||||||||||
| Friend died (year) | .051 | .025 | .046 | .050 | .032 | .134 | ||||||||||||
| Spilt with girl/boyfriend (month) | .050 | .020 | .011 | .051 | .023 | .036 | .043 | .020 | .034 | .042 | .023 | .086 | ||||||
| Females | ||||||||||||||||||
| Physical confounds | ||||||||||||||||||
| Cortisol on Monday | .120 | .015 | <.001 | .122 | .026 | <.001 | .111 | .015 | <.001 | .111 | .025 | <.001 | .045 | .011 | <.001 | .047 | .016 | .008 |
| Time of measurement (hours) | −.189 | .033 | <.001 | −.187 | .088 | .045 | −.173 | .039 | <.001 | −.170 | .119 | .170 | ||||||
| Time since woken (hours) | −.117 | .011 | <.001 | −.118 | .015 | <.001 | −.094 | .011 | <.001 | −.094 | .014 | <.001 | −.054 | .008 | <.001 | −.055 | .009 | <.001 |
| Life events | ||||||||||||||||||
| Friend died (year) | .090 | .024 | <.001 | .089 | .032 | .012 | .097 | .025 | <.001 | .096 | .029 | .003 | ||||||
| Spilt with girl/boyfriend (month) | .044 | .015 | .004 | .042 | .016 | .017 | .055 | .015 | <.001 | .054 | .018 | .008 | ||||||
Notes: Analyses performed on cortisol T1 and T2 use logged data. Time of measurement = time of cortisol 1 (Cortisol—Time 1 and per minute change T1 − T2); time of cortisol 2 (Cortisol—Time 2).