Article Figures & Data
Tables
- Table 1
Demographic factors
Factor Case Control ORa 95% CI n % n % Gender Male 279 55.4 251 49.8 1.0 Female 225 44.6 253 50.2 0.8 0.6–1.0 Mother’s race White 409 81.2 396 78.6 1.0 Black 36 7.1 39 7.7 0.7 0.4–1.4 Hispanic 41 8.1 54 10.7 0.6 0.4–1.1 Other 18 3.6 15 3.0 1.3 0.6–2.8 Mother’s education <High school 54 10.7 51 10.1 2.2 0.8–6.3 High school 341 67.7 318 63.1 1.3 0.9–1.8 College 109 21.6 135 26.8 1.0 Mother’s age <20 yr 44 8.7 35 6.9 1.3 0.6–2.7 20–24 112 22.2 110 21.8 1.2 0.8–1.8 25–30 200 39.7 206 40.9 1.0 31–39 138 27.4 146 29.0 0.8 0.6–1.2 40+ 10 2.0 7 1.4 3.5 0.7–16.8 Household income in birth year (in thousands) <$10 84 17.7 54 11.1 1.6 0.8–3.3 $10–20 85 17.9 91 18.7 1.4 0.7–2.7 $21–30 82 17.3 114 23.5 1.0 $31–40 73 15.4 86 17.7 1.8 0.9–3.6 $41–50 51 10.7 52 10.7 1.0 0.4–2.3 >$50 100 21.0 89 18.3 1.6 0.7–3.5 -
a Unadjusted matched OR.
-
- Table 2
Maternal smoking
Maternal smokinga Case Control ORb 95% CI n % n % Lifetime Never 299 59.7 311 61.8 1.0 Ever 202 40.3 192 38.2 1.0 0.7–1.3 Around pregnancyc Never 351 70.1 371 73.8 1.0 Ever 150 29.9 132 26.2 1.1 0.8–1.4 1 mo before conception Never 354 70.7 371 73.8 1.0 Ever 147 29.3 132 26.2 1.1 0.8–1.4 1st trimester Never 390 77.8 401 79.7 1.0 Ever 111 22.2 102 20.3 1.0 0.7–1.3 2nd trimester Never 414 82.6 421 83.7 1.0 Ever 87 17.4 82 16.3 0.9 0.7–1.3 3rd trimester Never 410 81.2 421 83.7 1.0 Ever 91 18.2 82 16.3 1.0 0.7–1.4 Breastfeeding Never 364 92.2 377 90.8 1.0 Ever 31 7.9 38 9.2 0.9 0.5–1.5 Cigarettes/day during 1st trimester Nonsmoker 390 78.0 401 79.9 1.0 ≤5 22 4.4 25 5.0 0.8 0.5–1.5 5–10 39 7.8 34 6.8 1.0 0.6–1.6 10–15 12 2.4 9 1.8 1.2 0.5–3.0 >15 37 7.4 33 6.6 0.9 0.6–1.6 Cigarettes/day during 2nd trimester Nonsmoker 414 82.8 421 84.0 1.0 ≤5 17 3.4 16 3.2 1.0 0.5–2.0 5–10 34 6.8 30 6.0 1.0 0.6–1.6 10–15 11 2.2 7 1.4 1.3 0.5–3.5 >15 24 4.8 27 5.4 0.8 0.4–1.4 -
a A total of three cases and one control had missing smoking-history information.
-
b Adjusted for child’s gender, mother’s race and education, and household income in the birth year.
-
c Included 1 month before and during the pregnancy and during breastfeeding.
-
- Table 3
Maternal alcohol consumption
Maternal drinkinga Case Control ORb 95% CI n % n % Lifetime Never 247 49.4 244 48.5 1.0 Ever 253 50.6 259 51.5 0.9 0.7–1.1 Around pregnancyc Never 264 52.9 281 56.1 1.0 Ever 235 47.1 220 43.9 1.1 0.8–1.4 1 mo before conception Never 294 58.9 312 62.3 1.0 Ever 205 41.1 189 37.7 1.1 0.8–1.4 1st trimester Never 403 80.8 423 84.4 1.0 Ever 96 19.2 78 15.6 1.2 0.9–1.7 2nd trimester Never 439 88.0 461 92.0 1.0 Ever 60 12.0 40 8.0 1.6 1.0–2.4 3rd trimester Never 441 88.4 458 91.4 1.0 Ever 58 11.6 43 8.6 1.4 0.9–2.1 Breastfeeding Never 266 83.1 284 85.5 1.0 Ever 54 16.9 48 14.5 1.0 0.5–2.0 1st trimester (g/day) Nondrinker 429 86.0 450 89.8 1.0 ≤1.5 26 5.2 22 4.4 1.1 0.6–1.9 1.5–5 24 4.8 13 2.6 1.9 0.9–3.9 >5 20 4.0 16 3.2 1.0 0.5–2.1 2nd trimester (g/day) Nondrinker 458 91.8 471 94.0 1.0 ≤1.5 23 4.6 19 3.8 1.2 0.6–2.2 1.5–5 15 3.0 7 1.4 2.1 0.8–5.3 >5 3 0.6 4 0.8 0.9 0.2–4.0 -
a A total of four cases and one control had missing information on alcohol use history.
-
b Adjusted for child’s gender, mother’s race and education, and household income in the birth year.
-
c Included 1 month before and during the pregnancy and during breastfeeding.
-
- Table 4
Paternal smoking
Paternal smokinga Case Control ORb 95% CI n % n % Lifetime Never 209 53.6 212 54.5 1.0 Ever 181 46.4 177 45.5 1.0 0.7–1.3 Around pregnancyc Never 248 63.6 253 65.5 1.0 Ever 142 36.4 133 34.5 1.0 0.7–1.4 1 mo before conception Never 253 64.9 267 68.6 1.0 Ever 137 35.1 122 31.4 1.2 0.8–1.6 1st trimester Never 260 66.7 269 69.2 1.0 Ever 130 33.3 120 30.9 1.1 0.8–1.5 Cigsd/day 1 mo before conception 0 253 65.5 267 69.2 1.0 ≤5 15 3.9 13 3.4 1.3 0.6–2.8 5–10 24 6.2 24 6.2 1.0 0.5–1.9 10–20 60 15.5 58 15.0 1.1 0.7–1.7 >20 34 8.8 24 6.2 1.5 0.8–2.7 Cigs/day during 1st trimester 0 260 67.4 269 70.1 ≤5 14 3.6 12 3.1 1.3 0.5–3.0 5–10 20 5.2 22 5.7 0.9 0.5–1.8 10–20 61 15.8 57 14.8 1.1 0.7–1.7 >20 31 8.0 24 6.3 1.3 0.7–2.3 Smokeless tobacco 1 mo before conception Never 348 93.1 365 94.1 Ever 26 7.0 23 5.9 1.3 0.7–2.6 -
a A total of one control had missing information on tobacco use history. Includes direct and proxy data.
-
b Adjusted for child’s gender, mother’s race, father’s education, and household income in birth year.
-
c Included 1 month before and during the pregnancy.
-
d Cigs, cigarettes.
-
- Table 5
Paternal alcohol consumption
Paternal drinkinga Case Control ORb 95% CI n % n % Lifetime Never 94 24.4 81 20.9 1.0 Ever 291 75.6 307 79.1 0.8 0.5–1.1 During 1 y before pregnancy Never 77 19.9 81 21.0 1.0 Ever 310 80.1 305 79.0 1.2 0.8–1.7 2–12 mo before pregnancy Never 79 20.4 81 21.0 1.0 Ever 308 79.6 305 79.0 1.1 0.8–1.6 1 mo before pregnancy Never 118 30.5 115 29.8 1.0 Ever 269 69.5 271 70.2 1.0 0.7–1.4 1 mo before pregnancy (g/day) 0 122 31.6 117 31.0 1.0 ≤1.5 25 6.5 22 5.8 1.2 0.6–2.2 1.5–5 46 11.9 56 14.8 0.9 0.5–1.4 5–15 88 22.8 97 25.7 0.9 0.6–1.4 15–25 34 8.8 26 6.9 1.4 0.8–2.6 >25 71 18.4 60 15.9 1.3 0.8–2.1 -
a A total of four cases and two controls had missing information on alcohol use history. Includes direct and proxy data.
-
b Adjusted for child’s gender, mother’s race, father’s education, and household income in birth year.
-
Appendix A
Participating principal investigators—Children’s Cancer Group
Institution Investigators Grant no. Group Operations Center, Arcadia, CA W. Archie Bleyer, Anita Khayat, Harland Sather, Mark Krailo, Jonathan Buckley, Daniel Stram, and Richard Sposto CA 13539 University of Michigan Medical Center, Ann Arbor, MI Raymond Hutchinson CA 02971 University of California Medical Center, San Francisco, CA Katherine Matthay CA 17829 University of Wisconsin Hospital, Madison, WI Diane Puccetti CA 05436 Children’s Hospital & Medical Center, Seattle, WA J. Russell Geyer CA 10382 Rainbow Babies & Children’s Hospital, Cleveland, OH Eric Kodish CA 20320 Children’s National Medical Center, Washington, D.C. Gregory Reaman CA 03888 Children’s Hospital of Los Angeles, Los Angeles, CA Paul Gaynon CA 02649 Children’s Hospital of Columbus, Columbus, OH Frederick Ruymann CA 03750 Columbia Presbyterian College of Physicians & Surgeons, New York, NY Michael Weiner CA 03526 Children’s Hospital of Pittsburgh, Pittsburgh, PA A. Kim Ritchey CA 36015 Vanderbilt University School of Medicine, Nashville, TN James Whitlock CA 26270 Doernbecher Memorial Hospital for Children, Portland, OR H. Stacy Nicholson CA 26044 University of Minnesota Health Sciences Center, Minneapolis, MN Joseph Neglia CA 07306 Children’s Hospital of Philadelphia, Philadelphia, PA Beverly Lange CA 11796 Memorial Sloan-Kettering Cancer Center, New York, NY Peter Steinherz CA 42764 James Whitcomb Riley Hospital for Children, Indianapolis, IN Philip Breitfeld CA 13809 University of Utah Medical Center, Salt Lake City, UT William Carroll CA 10198 University of British Columbia, Vancouver, British Columbia, Canada Paul Rogers CA 29013 Children’s Hospital Medical Center, Cincinnati, OH Robert Wells CA 26126 Harbor University of California-Los Angeles & Miller Children’s Medical Center, Torrance/Long Beach, CA Jerry Finklestein CA 14560 University of California Medical Center (University of California-Los Angeles), Los Angeles, CA Stephen Feig CA 27678 University of Iowa Hospitals and Clinics, Iowa City, IA Raymond Tannous CA 29314 Childrens Hospital of Denver, Denver, CO Lorrie Odom CA 28851 Mayo Clinic and Foundation, Rochester, MN Gerald Gilchrist CA 28882 University of North Carolina, Chapel Hill, NC Stuart Gold University of Medicine & Dentistry of New Jersey, Camden, NJ Richard Drachtman Children’s Mercy Hospital, Kansas City, MO Maxine Hetherington Wyler Children’s Hospital, Chicago, IL James Nachman M. D. Anderson Cancer Center, Houston, TX Beverly Raney New York University Medical Center, New York, NY Aaron Rausen Childrens Hospital of Orange County, Orange, CA Violet Shen Appendix B
Participating principal investigators—Pediatric Oncology Group
Institution Principal investigator Grant no. Baylor C. Philip Steuber CA 03161 Hackensack Medical Center Michael B. Harris Boston Floating Hospital Cynthia Sweetnam Kretschmar East Carolina University Charles W. Daeschner CA 69177 Medical University of South Carolina Joseph Laver CA 69177 Children’s Hospital Michigan Yaddanapudi Ravindranath CA 29691 St. Johns Hospital Hadi Sawaf CA 29691 Children’s Memorial Hospital, Chicago, IL Morris Kletzel CA 07431 Dana-Farber Cancer Institute Holcombe E. Grier CA 41573 Maine Children’s Craig Hurwitz CA 41573 Duke University Joanne Kurtzberg CA 15525 West Virginia University, Morgantown, WV A. Kim Ritchey CA 15525 University of Maryland Christopher Franz CA 69428 Yale University Peter Beardsley CA 69428 Emory University Andrew Yeager CA 20549 All Children’s Hospital Jerry Levey Barbosa Joe DiMaggio Children’s Philippa G. Sprinz Tampa Children’s Hospital Cameron K. Tebbi Hospital for Sick Children Mark Greenberg Medical College Virginia Edward C. Russell Miami Children’s Hospital Enrique Escalon SUNY Stony Brook Robert Ingalls Parker CA 29293 University of Vermont Joseph D. Dickerman CA 29293 Ochsner Clinic Rafael Sanchez Ducos Oklahoma University Ruprecht Nitschke CA 11233 Operations Office Sharon B. Murphy CA 30969 Cook-Ft. Worth Children’s Medical Center W. Paul Bowman CA 33625 St. Jude Children’s Ching-Hon Pui CA 31566 Statistical Office Jonathan J. Shuster CA 29139 University of Alabama Robert Castleberry CA 25408 Nemours Children’s Clinic Paul A. Pitel University of Florida Paulette Mehta University of Kansas Robert C. Trueworthy University of Miami Narayana Gowda Keesler AFB Hospital Gary D. Crouch CA 15898 University of Mississippi Medical Center Jeanette Pullen CA 15989 University of California-Davis Jonathan M. Ducore Children’s Hospital (San Diego) Richard P. Kadota CA 28439 University of Texas-San Antonio Paul Jan Thomas Naval Medical Center, Portsmouth Paulette Charese Bryant Tripler Army Medical Center Bruce A. Cook Walter Reed Army Medical David A. Maybee Washington University Michael Rugledge Debaun CA 05587 Presbyterian Hospital Barry L. Golembe CA 69177 Wake Forest University School of Medicine Allen Chauvenet