007/s10995-005-2451-7]|
|Bryce J,Black RE,Walker N,Bhutta ZA,Lawn JE,Steketee RW. Can the world afford to save the lives of 6 million children each year?Lancet 2005;365:2193–2200. [pmid: 15978927] [doi: 10.1016/S0140-6736(05)66777-3]|
|Ravikumara M,Bhat BV. Early neonatal mortality in an intramural birth cohort at a tertiary care hospitalIndian J Pediatr 1996;63:785–789. [pmid: 10830061] [doi: 10.1007/BF02730930]|
|Yucesoy G,Ozkan S,Bodur H,Tan T,Caliskan E,Vural B,Corakci A. Maternal and perinatal outcome in pregnancies complicated with hypertensive disorder of pregnancy: a seven year experience of a tertiary care centerArch Gynecol Obstet 2005;273:43–49. [pmid: 15834580] [doi: 10.1007/s00404-005-0741-3]|
|Hong R. Effect of multiple birth on infant mortality in BangladeshJ Paediatr Child Health 2006;42:630–635. [pmid: 16972971] [doi: 10.1111/j.1440-1754.2006.00940.x]|
|Alam N,Van Ginneken JK,Bosch AM. Infant mortality among twins and triplets in rural Bangladesh in 1975–2002Trop Med Int Health 2007;12:1506–1514. [pmid: 18076559]|
|Defo BK. Areal and socioeconomic differentials in infant and child mortality in CameroonSoc Sci Med 1996;42:399–420. [pmid: 8658234] [doi: 10.1016/0277-9536(95)00107-7]|
|Guo G,Grummer-Strawn L. Child mortality among twins in less developed countriesPopulation Studies 1993;47:495–510. [doi: 10.1080/0032472031000147266]|
|Justesen A,Kunst A. Postneonatal and child mortality among twins in Southern and Eastern AfricaInternational journal of epidemiology 2000;29:678–683. [pmid: 10922345] [doi: 10.1093/ije/29.4.678]|
|Katz J,West KP Jr,Khatry SK,LeClerq SC,Christian P,Pradhan EK,Shrestha SR. Twinning rates and survival of twins in rural NepalInternational journal of epidemiology 2001;30:802–807. [pmid: 11511607] [doi: 10.1093/ije/30.4.802]|
|Melve KK,Skjaerven R. Birthweight and perinatal mortality: paradoxes, social class, and sibling dependenciesInternational journal of epidemiology 2003;32:625–632. [pmid: 12913040] [doi: 10.1093/ije/dyg163]|
|Pena R,Wall S,Persson LA. The effect of poverty, social inequity, and maternal education on infant mortality in Nicaragua, 1988–1993Am J Public Health 2000;90:64–69. [pmid: 10630139]|
|Luke B,Nugent C,Ven C van de,Martin D,O'Sullivan MJ,Eardley S,Witter FR,Mauldin J,Newman RB. The association between maternal factors and perinatal outcomes in triplet pregnanciesAm J Obstet Gynecol 2002;187:752–757. [pmid: 12237659] [doi: 10.1067/mob.2002.124957]|
|Luke B,Brown MB. The changing risk of infant mortality by gestation, plurality, and race: 1989–1991 versus 1999–2001Pediatrics 2006;118:2488–2497. [pmid: 17142535] [doi: 10.1542/peds.2006-1824]|
|Luke B,Brown MB. The effect of plurality and gestation on the prevention or postponement of infant mortality: 1989–1991 versus 1999–2001Twin Res Hum Genet 2007;10:514–520. [pmid: 17564510] [doi: 10.1375/twin.10.3.514]|
|Luke B,Brown MB. Maternal morbidity and infant death in twin vs triplet and quadruplet pregnanciesAm J Obstet Gynecol 2008;198:401. e401–410 [pmid: 18177828]|
|Fowler MG,Kleinman JC,Kiely JL,Kessel SS. Double jeopardy: twin infant mortality in the United States, 1983 and 1984Am J Obstet Gynecol 1991;165:15–22. [pmid: 1853892]|
|Imaizumi Y. Infant mortality rates in single, twin and triplet births, and influencing factors in Japan, 1995–98Paediatr Perinat Epidemiol 2001;15:346–351. [pmid: 11703682] [doi: 10.1046/j.1365-3016.2001.00378.x]|
|Kleinman JC,Fowler MG,Kessel SS. Comparison of infant mortality among twins and singletons: United States 1960 and 1983Am J Epidemiol 1991;133:133–143. [pmid: 1985443]|
|Rydhstrom H. The effects of maternal age, parity, and sex of the twins on twin perinatal mortality. A population based studyActa Genet Med Gemellol (Roma) 1990;39:401–408. [pmid: 2085078]|
|Measure DHSNigeria: Standard DHS2003|
|National Population Commission, ORC MacroNigeria Demographic and Health Survey 2003. 2004Calverton, Maryland: National Populaton Commision (NPC) and ORC Macro;|
|Rutstein SO,Rojas G. Guide to DHS Statistics. 2003Calverton, MD: ORC Macro;|
|StataCorpStata Statistical Software: Rel