Table 1 Characteristics of the births in Peru, July 2005 – April 2013
From: The impact of anti-tobacco legislation on birth weight in Peru
| Â | Urban | Rural |
|---|---|---|
(N = 2,281,689) | (N = 447,992) | |
n (%) | n (%) | |
Outcomes | ||
 Birth weight, mean (SD) | 3278 (485) | 3130 (449) |
 Prematurity | 116,994 (5.13) | 18,794 (4.20) |
 Small for gestational age | 309,358 (13.56) | 110,018 (24.56) |
Characteristics of the child | ||
 Gender | ||
  Male | 1,168,784 (51.22) | 228,511 (51.01) |
  Female | 1,112,905 (48.78) | 219,481 (48.99) |
 Gestational age, mean (SD) | 38.91 (1.54) | 39.00 (1.41) |
 Person that assisted the delivery | ||
  Health professional | 2,184,822 (95.76) | 342,851 (76.53) |
  Health technician | 15,946 (0.70) | 30,390 (6.78) |
  Midwife | 42,538 (1.86) | 33,456 (7.47) |
  Another person | 38,383 (1.68) | 41,295 (9.22) |
 Place of birth | ||
  Institutional | 2,145,301 (94.02) | 333,841 (74.52) |
 Year of birth | ||
  2005 | 104,161 (4.57) | 26,791 (5.98) |
  2006 | 240,618 (10.55) | 50,312 (11.23) |
  2007 | 233,966 (10.25) | 57,719 (12.88) |
  2008 | 288,645 (12.65) | 54,909 (12.26) |
  2009 | 321,822 (14.10) | 59,082 (13.19) |
  2010 | 332,504 (14.58) | 57,214 (12.77) |
  2011 | 325,377 (14.26) | 59,221 (13.22) |
  2012 | 335,468 (14.70) | 62,584 (13.97) |
  2013 | 99,128 (4.34) | 20,160 (4.50) |
Characteristics of the mother | ||
 Maternal age, mean (SD) | 27.09 (6.65) | 26.51 (7.19) |
 Level of education | ||
  No education | 44,458 (1.95) | 51,677 (11.54) |
  Primary | 363,717 (15.94) | 209,856 (46.84) |
  Secondary | 1,178,961 (51.67) | 160,834 (35.90) |
  Superior non-university | 392,305 (17.19) | 19,029 (4.25) |
  Higher university | 302,248 (13.25) | 6596 (1.47) |
 Marital status | ||
  Cohabitation | 1,467,183 (64.31) | 308,428 (68.85) |
  Married | 567,405 (24.87) | 105,521 (23.55) |
  Previously joined | 10,607 (0.46) | 3224 (0.72) |
  Single | 236,494 (10.36) | 30,819 (6.88) |
 Number of pregnancies, mean (SD) | 2.33 (1.53) | 3.07 (2.23) |
Characteristics of the residence district of the mother | ||
 Poverty quintilea | ||
  Richest (0.00 to 9.78%) | 599,890 (26.29) | 8615 (1.92) |
  Richer (9.79 to 16.92%) | 516,832 (22.65) | 9820 (2.19) |
  Middle (16.93 to 22.80%) | 540,268 (23.68) | 17,097 (3.82) |
  Poorer (22.81 to 40.99%) | 435,716 (19.10) | 81,233 (18.13) |
  Poorest (41.00 to 100.00%) | 188,983 (8.28) | 331,227 (73.94) |
 Altitude, mean (SD) | 900 (1302) | 2304 (1345) |