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Table 3 Sociodemographic profile showing the distribution of cases of Severe Acute Maternal Morbidity/Near Miss (SAMM, NM) and controls in the reference maternity wards

From: The prevalence of severe maternal morbidity and near miss and associated factors in Sergipe, Northeast Brazil

Sociodemographic Variables SAMM (n = 1102) n % or mean ± SD NM (n = 77) n % or mean ± SD Controls (n = 151) n % or mean ± SD p value
Provenance        0.001
Home 400 43.1 31 47 88 58
Health service 527 56.9 35 53 63 42
Age        0.068
Until 35 years 800 82 51 73.9 131 86.8
≥ 35 years 176 18 18 26.1 20 13.2
Years of education ¥        0.414
Until 8 years 523 56.9 37 58.7 76 51.4
≥8 years 396 43.1 26 41.3 72 48.6
Marital status        0.191
Not married 166 17.8 14 21.5 19 12.6
Married 768 82.2 51 78.5 132 87.4
Work        0.898
No 643 69.2 45 69.2 101 67.3
Yes 286 30.8 20 30.8 49 32.7
Monthly income #        0.002
Until US$300 532 58.3 36 56.2 92 60.9
≥ US$300 380 41.7 28 43.8 59 39.1
Race*        0.934
Not white 777 85.1 54 84.4 130 86.1
White 136 14.9 10 15.6 21 13.9
Head of household        0.211
Other** 371 40.9 28 43.8 51 33.8
Husband 539 59.1 36 56.2 100 66.2
Health plan        0.942§
Public system 893 95.3 62 95.4 142 94.7
Health insurance 44 4.7 3 4.6 8 5.3
Use of alcohol        0.714
Yes 184 20.2 15 23.4 28 18.5
No 729 79.8 49 76.6 123 81.5
Smoking        0.390
No 65 7.1 7 10.9 14 9.3
Yes 846 92.9 57 89.1 137 90.7  
  1. AV: average; SD: standard deviation; ¥: Normal distribution (KRUSKAL-WALLIS) tested by ANOVA; #values based in a national classification of income (ABEP 2008) [14] *perception of the interviewee; **other: the patient herself or her mother or father. The n value for each variable may differ because some cases and controls were still pregnant or the available data were collected from medical records or the patient did not know the answer. § Fisher exact test. The variables presented in the table were chosen by statistical significance or clinical relevance.