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Table 1 Baseline characteristics of intervention and control arms in 2015

From: Safe birth in cultural safety in southern Mexico: a pragmatic non-inferiority cluster-randomised controlled trial

Variable

Absolut event rates (n)

Intervention

(cluster n = 40)

Control

(cluster n = 40)

Interviewed households (HH)

0.47 (3756/8051)

0.53 (4295/8051)

HH without tap water

0.14 (518/3704)

0.22 (928/4246)

Among 1146 pregnancies

 Woman’s agea

25.7 (0.4, n = 528)

25.9 (0.4, n = 599)

 Woman speaks Spanish (p = 0.00)b

0.69 (355/512)

0.86 (501/580)

 Woman’s education above primary (p = 0.02)b

0.45 (237/529)

0.56 (329/593)

 Women receives government aid

0.64 (337/525)

0.66 (388/591)

 Woman has health insurance

0.93 (491/527)

0.92 (548/593)

 Woman without a partner (p = 0.05)b

0.07 (35/529)

0.10 (59/596)

Among 841 completed pregnancies

 Perinatal deaths

0.03 (11/386)

0.03 (14/448)

 Neonatal complications

0.17 (61/362)

0.18 (76/427)

 Childbirth serious complications

0.20 (74/366)

0.17 (72/437)

 Any primary outcomec

0.33 (128/389)

0.31 (140/452)

 Woman is main decision maker (alone or with partner)

0.67 (248/372)

0.74 (326/439)

 Traditional midwife saw the woman at least once

0.75 (282/378)

0.71 (313/441)

 Woman went to WHC for antenatal care

0.97 (357/369)

0.97 (422/434)

 Gestational age of first recourse to WHCa

3.2 (0.1, n = 380)

2.8 (0.1, n = 441)

 Childbirth at home (p = 0.00)b

0.46 (171/369)

0.26 (115/438)

 Unattended childbirthd (p = 0.05)b

0.08 (28/375)

0.04 (17/439)

 Childbirth with traditional midwife (p = 0.02)b

0.37 (137/375)

0.23 (99/439)

 Woman paid for childbirth (p = 0.00)b

0.43 (141/332)

0.29 (121/412)

 Company of family during childbirth (p = 0.00)b

0.75 (275/368)

0.43 (189/437)

 Traditional childbirth (p = 0.01)b

0.26 (98/376)

0.13 (58/441)

 Woman did not suffer violence during pregnancy

0.97 (361/372)

0.97 (427/441)

 Infected wound after childbirth (p = 0.03)b

0.06 (21/343)

0.03 (11/422)

  1. Missing data ranged between 0 and 11.5%; the highest proportion of missing data was for Woman paid for childbirth (11.5% or 97/841 completed pregnancies) and Infected wound after childbirth (9% or 76/841)
  2. HH Household, WHC Western health care facility
  3. aAverage (SD, n)
  4. bcluster-level t-test
  5. cchildbirth or neonatal complication or perinatal death
  6. dMedical doctor, nurse or traditional midwife vs casual or unattended childbirth