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Table 1 Summary statistics. Peru. 2005–2012, women aged 15–49

From: Within-country migration and obesity dynamics: analysis of 94,783 women from the Peruvian demographic and health surveys

  2005 2007 2008 2009 2011 2012
Sample size 5803 5932 14,957 22,969 21,761 23,361
Obesity (Prevalence %) 13 15 14 16 17 18
Age (Mean years) 30 31 31 31 31 31
Education (Mean years of schooling) 9 9 9 10 10 10
Wealth Index (Mean quintile) 3 4 4 3 3 3
Duration in place of residence 22 22 22 22 21 22
(Mean years)       
Migration status % (Column)
Urban stayers 41 39 42 43 40 41
Intra-urban migrants 22 23 23 24 25 24
Rural stayers 20 18 17 15 14 13
Rural-to-Urban migrants 6 10 9 8 10 10
Intra-rural migrants 5 6 5 5 6 6
Urban-to-Rural migrants 7 5 5 5 5 6
Ethnicity (language) % (Column)
Spanish speaker 96 95 96 96 96 95
Quechua 2 5 4 3 4 4
Aymara 1 0 0 1 0 1
Other 0 0 0 0 0 0
  1. Standard deviations are almost constant across years for the continuous variables:
  2. Age (9.9–10.1); Education (3.8–4.3); Wealth index (1.3–1.4); Duration in place of residence (12.5–12.8)