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Table 1 Sociodemographic characteristics of women with and without PrE/E in PCMH

From: Risk factors for preeclampsia and eclampsia at a main referral maternity hospital in Freetown, Sierra Leone: a case-control study

Characteristics

Total n (%)

Cases n (%)

Controls n (%)

COR (95% CI)

p-value

Total

672

214

458

  

Age

(668)

(213)

(455)

  

 Means

25.30 (±5.19)

25.01 (± 5.95)

25.43 (± 5.91)

 

0.401

  < 20

128 (19.2)

47 (22.1)

81 (17.8)

1.33 (0.88–2.02)

0.171

 20–32

442 (66.2)

134 (62.9)

308 (67.7)

1.0

 

  > 32

98 (14.7)

32 (15.0)

66 (14.5)

1.11 (0.70–1.78)

0.650

Relationshipa

(668)

(211)

(457)

  

 Yes

521 (78.0)

175 (82.9)

346 (75.7)

1.56 (1.03–2.37)

0.036

 No

147 (22.0)

36 (17.1)

111 (24.3)

1.0

 

Religion

(662)

(212)

(450)

  

 Christian

193 (29.2)

59 (27.8)

134 (29.8)

1.0

 

 Muslim

469 (70.8)

153 (72.2)

316 (70.2)

1.10 (0.77–1.58)

0.607

Ethnicity

(669)

(212)

(457)

  

 Mende

104 (15.5)

29 (13.7)

75 (16.4)

1.0

 

 Temne

268 (40.1)

89 (42.0)

179 (39.2)

1.29 (0.78–2.12)

0.322

 Otherb

297 (44.4)

94 (44.3)

203 (44.4)

1.20 (0.73–1.96)

0.474

Education

(669)

(212)

(457)

  

 Illiterate

302 (45.1)

104 (49.1)

198 (43.3)

1.26 (0.91–1.75)

0.166

 literate

367 (54.9)

108 (50.9)

259 (56.7)

1.0

 

Occupation

(662)

(209)

(453)

  

 Housewife

130 (19.6)

66 (31.6)

64 (14.1)

3.88 (2.43–6.22)

< 0.001

 Trader

308 (46.5)

96 (45.9)

212 (46.8)

1.71 (1.14–2.55)

0.009

 Otherc

224 (33.8)

47 (22.5)

177 (39.1)

1.00

 

Number of Children

(672)

(214)

(458)

  

 Own children

1.01 (±1.20)

1.08 (±1.24)

0.98 (±1.17)

 

0.307

 Other children

0.33 (±0.71)

0.27(±0.68)

0.36 (±0.72)

 

0.115

Place of residence

(657)

(207)

(450)

  

 City

487 (74.1)

151 (72.9)

336 (74.7)

1.0

 

 Suburb/Rural

170 (25.9)

56 (27.1)

114 (25.3)

1.09 (0.75–1.59)

0.640

Antenatal care visitsd

(672) 5.36 (±2.61)

(214) 5.76 (±2.34)

(458) 5.18 (±2.70)

  

Travel timee

(647)

(208)

(439)

  

 Median

45 (30–60)

60 (41–90)

40 (30–60)

 

<  0.001

 Means

52 (± 34.91)

69 (± 38.63)

45 (± 30.02)

  

Travel costf

(540)

(194)

(346)

  

 Median

3000 (2000–6000)

5000 (3000–8000)

2750 (2000–4075)

 

<  0.001

 Means

5600 (±8800)

7600 (±10,400)

4500 (±7600)

  

Maternal assetsg

(647)

(205)

(442)

  

  ≤ 50,000 SLL

169 (26.1)

82 (40.0)

87 (19.7)

2.72 (1.89–3.92)

<  0.001

  > 50,000 SLL

478 (73.9)

123 (60.0)

355 (80.3)

1.0

 

Economic statush

(668)

(211)

(457)

  

 Low

184 (27.5)

75 (35.5)

109 (23.9)

1.92 (1.18–3.14)

0.008

 Middle

355 (53.1)

102 (48.3)

253 (55.4)

1.13 (0.72–1.77)

0.607

 High

129 (19.3)

34 (16.1)

95 (20.8)

1.0

 

Pipe-borne water

(667)

(210)

(457)

  

 Yes

377 (56.5)

105 (50.0)

272 (59.5)

1.0

 

 No

290 (43.5)

105 (50.0)

185 (40.5)

1.47 (1.06–2.04)

0.021

Electricity

(667)

(210)

(457)

  

 Yes

490 (73.4)

139 (65.9)

351 (76.8)

1.0

 

 No

178 (26.6)

72 (34.1)

106 (23.2)

1.72 (1.20–2.45)

0.003

  1. Univariate analysis was conducted with Pearson’s Chi-square test for categorical variables. Metric variables were compared using Independent T-Test and Mann-Whitney-U-Test. Statistical significance was set at p-value < 0.05, crude and adjusted odds ratios and 95% confidence interval were calculated
  2. a relationship status: yes = cohabit, married; no = single, divorced, widowed
  3. b other ethnicities = Limba, Krio, Fullah, other
  4. c other occupation = farmer, student, other
  5. d excluded from univariate analysis because the variable is confounded by pregnancy status during recruitment
  6. e to Princess Christian Maternity Hospital in minutes
  7. f to Princess Christian Maternity Hospital in Sierra Leone Leones
  8. g monthly assets; 50,000 Sierra Leone Leones equal about 5 US-Dollar
  9. h economic status: electricity, radio, cattle, pipe-borne water, TV, motorbike or car, mobile phone, fridge, mosquito-net; score: low = 0–3, middle = 4–6, high = 7–9