TABLE 1

Summary of characteristics of participants included in the meta-analysis

Hartford-PRGALA IGALA IIHCHS/SOL
Subjects n94843717861866
Age years10.0±2.718.2±9.512.9±3.448.2±14.0
Male sex495 (52.2)187 (42.8)907 (50.8)784 (42.0)
Asthma523 (55.2)251 (57.4)892 (49.9)478 (25.6)
Study sitesHartford (CT) and San Juan (PR)Puerto Rico and New York (NY)Chicago (IL), Bronx (NY), Houston (TX), San Francisco (CA) and Puerto RicoBronx (NY), Chicago (IL), Miami (FL) and San Diego (CA)
Genotyping platformIllumina 2.5MAffymetrix 6.0 GeneChipAxiom LAT1 array (Affymetrix)Illumina HCHS/SOL custom 15 041 502 B3 array

Data are presented as mean±sd or n (%), unless otherwise stated. States within the USA are shown in brackets.