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Table 2 Characteristics of the studies included in the systematic review on knowledge on ADHD prevalence among children and adolescents in Spain

From: Prevalence of attention deficit hyperactivity disorder among children and adolescents in Spain: a systematic review and meta-analysis of epidemiological studies

Author, year of publication Region or county Study population Age (in years) Origin of sample (size) Assessment tools Clinical interview Source of information Reference to a diagnostic criterion Impairment criterion Prevalence estimate (%)
Response rate (%) Male-to-female ratio
  Geographic location        
Guimón et al, 1980* Biscay Children 5-11.5 School ( N= 140 ) Hyperkinesia scales, perinatal history, neurological examination and Bender-Gestalt test, CAT, Corman test, PFT, intelligence scales (WISC, Terman-Merrill), academic performance No Parents and teachers None or non explicit Yes 8.0%
North 4:1
Non explicit
Farré and Narbona, 1989* Navarre Children (only boys) 6-8 School ( N= 561 ) Conner’s scales, Raven's Colored Progressive Matrices, academic performance No Parents and teachers None or non explicit No 1.0%
Northeast
-
93%
Gutiérrez Bengoechea, 1992 Asturias Children 6-11 School ( N= 1,048 ) Conner’s scales, CBCL Yes Parents and teachers DSM-III-R No 4.5%
>90% 4:1
North
Benjumea and Mojarro, 1993* Seville Children and adolescents 6-15 School ( N= 1,791 ) Conner’s scales, PACS Yes Parents and teachers DSM-III-R No 4.0%-6.0%
-
>60%
South
Verdeguer, 1994 Castellon Children 10 General population ( N= 325 ) Conner’s scales, Werry-Weiss-Peters activity rating scale, K-SADS-E, Raven's Colored Progressive Matrices, GAF scale, ADHD rating scale Yes Parents and teachers DSM-III-R Yes 7.1%
East
10:1
93%
Gómez-Beneyto et al, 1994* Valencia Children and adolescents 8, 11 and 15 General population ( N = 1,127 ) CBCL, K-SADS-E, Raven's Colored Progressive Matrices, GAF scale Yes Parents and subjects DSM-III-R Yes 14.4%, 5.3%, 3.0%
East
1.2-1.7:1
94%
Andrés-Carrasco et al, 1995 and 1999* Valencia Children 10 General population ( N = 387 ) K-SADS-E, Raven's Colored Progressive Matrices, GAF scale Yes Parents and subjects DSM-III-R Yes 8.0%
East 2:1
98%
Eddy, 1997* Barcelona Children 7 and 8 School ( N= 263 ) Conner’s scales No Parents and teachers DSM-III-R No 5.7%-9.8%
Non explicit 2:1
Northeast
Ruiz et al, 1999 Barcelona Children 6-10 School ( N = 1,433 ) SNAP modified, VADTRS No Teachers DSM-IV Yes 14.0%
4:1
Northeast 98%
García-Jiménez et al, 2005* Navarre Children and adolescents 6-12 School ( N= 222 ) Conner’s scales, Conner’s modified, ADHD rating scale Yes Parents, teachers and subjects DSM-IV Yes 9.0%
Northeast 5.6:1
82%
Blázquez Almeria et al, 2005* Barcelona Children and adolescents 6-13 School ( N = 2,401 ) Conner’s modified, ADHD rating scale No Teachers None or non explicit No 12.2%
Northeast
Non explicit 4:1
Rodríguez Hernández, 2006 Canary Islands Children 7-10 School ( N= 595 ) SDQ No Parents and teachers None or non explicit No 3.9%
89% -
South
Rodríguez Molinero et al, 2009* Castile- Leon Children and adolescents 6-16 School ( N= 1,095 ) ADHD rating scale, Vanderbilt ADHD assessment scale, CSI Yes Parents and teachers DSM-IV Yes 6.7%
2.3:1
North
Non explicit
Cardo et al, 2007 and 2011* Majorca Children and adolescents 6-12 School ( N= 1,509 ) ADHD rating scale No Parents and teachers DSM-IV No 1.2%-4.6%
1:1.5
Non explicit
  East          
  1. CAT: Children's Apperception Test; CBCL: Child Behavior Checklist; CSI: Child Symptom Inventory; GAF: Global Assessment of Functioning; K-SADS-E: Kiddy Schedule for affective diseases and Schizophrenia (epidemiological version); PACS: Parenteral account of children's symptoms; PFT: Rosenzweig Picture Frustration Test; SDQ: Strengths and Difficulties Questionnaires; SNAP-IV: Swanson, Nolan y Pelham, 4th Edition; VADTRS: Vanderbilt ADHD Teacher Rating Scale.; WISC: Wechsler Intelligence Scale for Children.
  2. *Published in a peer-reviewed journal.