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. Author manuscript; available in PMC: 2008 Dec 5.
Published in final edited form as: Sleep. 2005 May 1;28(5):637–643. doi: 10.1093/sleep/28.5.637

Table 1.

Subject Age and Tanner Stage for the 2 Recording Sessions*

Cohort
9-Year-Old 12-Year-Old 9-Year-Old Boys 9-Year-Old Girls 12-Year-Old Boys 12-Year-Old Girls
Age
First Recording 9.31 ± 0.04 12:33 ± 04 9.31A ± 0.06 9.30A ± 0.06 12.26B ± 0.05 12.41C ± 0.05
Second Recording 9.83 ± 0.05 12.80 ± 0.04 9.80A ± 0.07 9.85A ± 0.07 12.71B ± 0.07 12.89C ± 0.04
Tanner Score
First Recording 1.32 ± 0.10 2.66 ± 0.22 1.20A ± 0.13 1.44A ± 0.18 2.20B ± 0.25 3.17C ± 0.29
Second Recording 1.31 ± 0.11 2.89 ± 0.22 1.20A ± 0.13 1.43A ± 0.18 2.61B ± 0.35 3.17B ± 0.25
*

Data are presented as mean ± SEM for the 2 age cohorts and for each age-sex group.

Significant (α = .05) age effect in analysis of variance. Post hoc multiple comparisons were conducted between sexes within the 2 age cohorts and between ages within the 2 sexes.

Age-sex groups that do not differ share a common superscript.