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