TABLE 1

Overview of the Case-Controlled Studies Included in the Meta-Analysis

StudySample Size (case/control)Age (y)Study Population, Location, and PeriodExposure AssessmentCasesControls
Davis et al (1993), USA45/85≤10Patients in Missouri, diagnosed 1985–1989Maternal phone interviewCBTNoncancer friends or other cancer matched with age and gender
Leiss et al (1995), USA252/222<15Patients in Denver, 1976–1983Parental interviewCBT, Leu, Lym, STSNoncancer population matched by gender, age, region
Pogoda et al (1997), USA224/218≤19Patients from West Coast, 1984–1991Maternal phone interviewCBTNoncancer population matched by gender, age, region
Infante-Rivard et al (1999), Canada491/491≤9Patients from metropolitan Montreal, diagnosed 1980–1993Parental phone interviewALLNoncancer population matched by age, gender, region
Meinet et al (2000), Germany1184,234, 940/2588≤15Patients from West Germany, diagnosed 1992–1994Mail and parental phone interviewLeu, NHLNoncancer population matched by gender, age, region
Buckley et al (2000), USA268/268≤20Patients in US, 1986–1990Maternal phone interviewNHLNoncancer population matched by age, gender, and race
Daniel et al (2001), USA390/296<19Hospital patients in US and Canada, 1992–1994Parental phone interviewNeuroblastomaNoncancer population matched by age, region
Ma et al (2002), USA162/162≤14Hospital patients in northern California, 1995–1999Maternal in-home personal interviewALL, LeuNoncancer population matched by gender, age, mother’s race, region
Menegaux et al (2006), France280/288<15Hospital patients in France, diagnosed 1995–1999Maternal personal interviewALHospital noncancer children matched by age, gender, hospital, race
Rudant et al (2007), France1060/1681<15Patients in France, diagnosed 2003–2004Maternal phone interviewAL, HL, NHLNoncancer population matched by age, gender
Urayama et al (2007), USA294/369<15Patients from northern and central California, diagnosed since 1995In-home interviews with caretakerALLNoncancer children matched by age, gender, Hispanic status, maternal race, region
Cooney et al (2007), USA523/517<16Patients in US and Canada, 1999–2002Maternal phone interviewWilms tumorNoncancer children matched by age and region
Nielsen et al (2010), USA201/285≤10Patients in US west coast, 1984–1991Maternal in-person interviewCBTNoncancer children matched by age and gender
Bailey et al (2011), Australia388/870<15Patients in Australia, 2003–2007Parental questionnaires and phone interviewsALLNoncancer population matched by gender, age, region
Ding et al (2012), China176/180≤14Hospital patients in Shanghais China, 2010–2011Maternal in-person interview and children’s urine collectionsALLNoncancer hospital children matched by gender and age
Greenop et al (2013), Australia288/917≤14Patients in Australia, 2005–2010Maternal in-person interviewCBTNoncancer population matched by gender, age, and region
  • ALL, acute lymphoblastic leukemia; HL, Hodgkin lymphoma; Leu, leukemia; Lym, lymphoma; NHL, non-Hodgkin lymphoma; STS, soft tissue sarcoma.