Supplementary material February 2024 - Technical appendix: Understanding differences in infant mortality rates

AND (mortalit* or death or die or life expectancy).ti) (6,586) 2 limit 1 to (english language and limit 1 to (english (region* or loca* or area* humans and yr="2009 -Current") language and humans or communit* or (257,053) and yr="2009 -Current") neighbour* or neighbor* (443,924) or populat* or environment* or territor* or precinct* or district* or county or geograph* or place or circumstance* or s. [...] OR (character$ or attribute$ or determin$ or predict$ or influen$ or effect$ or impact$ or expos$ or context$ or factor$ or risk$ or cause$ or associat$ or variat$ or pattern$).ti (1,697,533) 3 (mortalit* or death or die or life (mortalit* or death or die (region* or loca* or area* expectancy).title. [...] or communit* or (271,634) neighbour* or neighbor* or populat* or environment* or territor* or precinct* or district* or county or geograph* or place or circumstance* or socioeconomic or socio- economic or sociodemographic or socio-demographic or municipalit*).ti (590,807) 4 limit 3 to (english language and limit 3 to (english 3 and 2 and 1 (935) humans and yr="2009 - Current") language and humans. [...] (1,331,764) 6 limit 5 to (english language and limit 5 to (english (preterm* or prem* or humans and yr="2009 -Current") language and humans congenit* or gene* or (268,610) and yr="2009 -Current") pregnan* or stillbirth* or (456,234) birth* or canc* or leuk* or HIV or AIDS).topic (1,119,146) 7 (character$ or attribute$ or (character$ or attribute$ 5 not 6 (142) determin$ or predict$ or influen$ or. [...] (6,474,408) 8 limit 7 to (english language and limit 7 to (english not (India or Ethiopia or humans and yr="2009 -Current") language and humans South Africa or Peoples R (1,256,419) and yr="2009 -Current") China or (2,214,629) Ghana).countries/regions (130) 9 6 or 8 (1,432,140) 6 or 8 (2,516,184) 10 2 and 4 and 6 and 9 (522) 2 and 4 and 6 and 9 (738) 11 (preterm* or prem* or congenit* or (preterm$.