Descriptive statistics for each of the tests that compose the SIMCE evaluation and for the global academic-performance score.

<p><i>Note</i>: SD = Standard Deviation; SE = Standard Error of the mean; CI = Confidence Interval of the mean; AP-MAT, AP-LEC, AP-SOC and AP-NAT = Rating academic performance in Math, Reading, Social Studies and Nature Science; GAP = Global academic performance score.</p><p>Descriptive statistics for each of the tests that compose the SIMCE evaluation and for the global academic-performance score.</p

Design of theoretical structural equation modelling.

<p>Design of theoretical structural equation modelling.</p

Standardised solution to the proposed model.

<p>Standardised solution to the proposed model.</p

Tests for normality for the variables included in the model.

<p><i>Note</i>: C.R. = Critical Ratio;</p><p>*α = .01.</p><p>Tests for normality for the variables included in the model.</p

Hierarchical multiple regression analysis for global academic-performance score on the Relative Age Effect, Socioeconomic status, and type of institution.

<p><i>Note</i>: GAP = Global academic performance score; SES = Socioeconomic status; INS = Type of Institution; RAE = Relative Age Effect.</p><p>*** <i>p</i> < .001.</p><p>Hierarchical multiple regression analysis for global academic-performance score on the Relative Age Effect, Socioeconomic status, and type of institution.</p

Indicators of model fit.

<p><i>Note</i>: GFI = Goodness of Fit Index; CFI = Comparative Fit Index; RMSEA = Root Mean Square Error of Approximation; AGFI = Adjusted Goodness of Fit Index; PRATIO = Parsimony Ratio; PCFI = Parsimony fit to the CFI.</p><p>Indicators of model fit.</p

Average scores for each test according to birthdate.

<p>Average scores for each test according to birthdate.</p

Goodness-of-fit statistics for TDEQ-5 & modified TDEQ-5.

<p>Goodness-of-fit statistics for TDEQ-5 & modified TDEQ-5.</p

Internal consistency and descriptive statistics of the Spanish TDEQ-5 (n = 322).

<p>Internal consistency and descriptive statistics of the Spanish TDEQ-5 (n = 322).</p

Intra-rater and inter-rater TEM, %TEM and %<i>R</i> of anthropometric measurements.

<p>Abbreviations: BMI, body mass index; SD, standard deviation, %<i>R</i>, percentage of coefficient of reliability; TEM, technical error of measurement.</p