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Table 1 Maternal migration and child nutritional outcomes study sample (N), Peru DHS 1991–2017

From: Maternal internal migration and child growth and nutritional health in Peru: an analysis of the demographic and health surveys from 1991 to 2017

DHS survey cycle Total interviewed local resident women aged 15–49 years (A) A
+ with singleton living resident children under 5 years (B)
A + B
+ complete child anthropometric data (C)
A + B + C
+ complete migration data (D)
A + B + C + D
+ repeat migrants excluded (E)
A + B + C + D + E
+ maternal childhood migration excluded (F)
1991–92 15,454 8430 7554 7554 7260 4606
1996 28, 251 15,813 14,379 14,357 13,923 9349
2000 27,002 12,577 11,263 11,243 10,929 7444
2004-08a 40, 572 15,953 10,075 10,049 9641 5770
2009 23, 692 9638 9099 9084 8757 5545
2010 22, 243 8659 8468 8432 8071 5134
2011 21, 963 8529 8426 8389 7951 5119
2012 23, 204 9012 8896 8862 8408 4788
2013 22, 381 8409 8292 8255 7925 4594
2014 24, 254 9034 8902 8878 8530 4887
2015 34, 994 22,751 22,495 22,411 21,571 12,549
2016 32, 495 20,240 19,977 19,885 19,075 10,924
2017 32, 541 20,499 20,272 20,180 19,394 10,913
Total 349,046 191,669 179,955 179,305 172,402 103,610
  1. Footnotes: a Continuous survey with 5 yearly cycles; within this anthropometric data only collected in 2005, 2007 and 2008