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Table 1 Sociodemographic characteristics and obstetric history of women with (n = 145) and without (n = 187) severe maternal morbidity

From: Immediate and long-term relationship between severe maternal morbidity and health-related quality of life: a prospective double cohort comparison study

Variables SMM (n = 145) Non-SMM (n = 187) P value
  mean (SDa) n (%) mean (SDa) n (%)  
Sociodemographic characteristics          
Age (year) 31.6 (6.26)    29.2 (5.65)    <0.001b
Household income (RM/month) 2405.2 (1892.06)    2321.1 (2066.54)    0.547b
Education level
 Nil and Primary
 Secondary
 Tertiary
   7
87
51
(4.8)
(60.0)
(35.2)
   5
104
78
(2.7)
(55.6)
(41.7)
0.330c
Occupation
 Unemployed
 Self-employed
 Implementory
 Professional
   74
8
41
22
(51.0)
(5.5)
(28.3)
(15.2)
   99
19
42
27
(52.9)
(10.2)
(22.5)
(14.4)
0.340c
Marital status
 Married
 Single
   145
0
(100.0)
(0.0)
   186
1
(99.5)
(0.5)
0.378c
Past and present obstetric history
 Parity 3.1 (2.35)    2.7 (1.78)    0.043b
 Hospital stay (day) 5.9 (3.79)    3.6 (2.23)    <0.001b
Booking
 Early (≤12 weeks)
 Late (> 12 weeks)
   88
57
(60.7)
(39.3)
   114
73
(61.0)
(39.0)
0.960c
Past pregnancy
complicationsd
 Absent
 Present
   67
40
(62.6)
(37.4)
   92
37
(71.3)
(28.7)
0.095c
Period of gestation
 Term (≥37 weeks)
 Preterm (<37 weeks)
   110
35
(75.9)
(24.1)
   174
13
(93.0)
(7.0)
<0.001c
Foetal outcome
 Live birth
 Stillbirth
   143
2
(98.6)
(1.4)
   187
0
(100.0)
(0.0)
0.107c
  1. Abbreviations: SMM severe maternal morbidity, RM ringgit Malaysia, ICU intensive care unit
  2. aStandard deviation
  3. bIndependent t test
  4. cChi-square test
  5. dPast pregnancy complications refer to complications in a previous pregnancy. After excluding primiparous women, n = 107 for severe maternal morbidity group and n = 129 for non-severe maternal morbidity group