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. 2023 Jan 20;23:32. doi: 10.1186/s12887-023-03844-2

Table 1.

Study analysis variables

Dimension Variables Measure: dichotomous categorial
Global aspects ND diagnosis Comorbidity Yes – No (1.0): Aspects of risk diagnosed in the tests. At least two tests indicate the presence of the disorder.
Presence of ND risk Yes – No (1.0): At least one test shows a score indicating the presence of the disorder.
Sociodemographic and clinical variables Sex

Male

Female

Yes – No (1.0)
Course

Kindergarten, 5 years

Primary

Yes – No (1.0)
Territory

Ciutadella

Alajor-EsMerca-Ferre

Mao

EsCaste_S. Lluis

Yes – No (1.0)
Economic resources

Low

Medium

High

Classification based on parents’ perceptual responses.

Yes – No (1.0)

Premature birth Yes – No (1.0)
Breastfeeding Yes – No (1.0)
Low birth weight Yes – No (1.0): 1 = With 2500 g. or less
Congenital infection (Preg.50) Yes – No (1.0)
Maternal age > 45 years Yes – No (1.0)
Edad parent > 45 years Yes – No (1.0)
Toxicity in pregnancy Yes – No (1.0) With tobacco, alcohol, or hashish consumption
Eutochic childbirth Yes – No (1.0)
Instrumental birth Yes – No (1.0)
Cesarean delivery Yes – No (1.0)
Diagnostic tests PROLEXIA Yes – No (1.0): 1 = Very high and moderate scores were grouped as a risk of PROLEXIA
ADHD-MiniKid Yes – No (1.0) 1 = 6 or more risk items
A.Q.C. Yes – No (1.0) 1 = Score of 75 or higher
TICS-Minikid Yes – No (1.0) 1 = Presence of tics

ND Neurodevelopmental disorder, PROLEXIA PROLEXIA Battery for early detection and differential diagnosis of dyslexia, ADHD-MiniKid Minikid ADHD-Mini International Neuropsychiatric Interview for Children and Adolescents, AQC Autism Spectrum Quotient (Children’s version, AQ-Child); TICS-Minikid Minikid TICS-Mini International Neuropsychiatric Interview for Children and Adolescents