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Table 1 Main characteristics and dietary calcium intake of 788 Brazilian pregnant women

From: Survey of calcium supplementation to prevent preeclampsia: the gap between evidence and practice in Brazil

Variable

Values1

 

Age, years

25.9

(6.3)

Marital status

  

   Married or living with partner

647

(82.1)

   Single

127

(16.1)

   Separated/divorced

14

(1.8)

Parity

  

   0

226

(28.7)

   1

245

(31.1)

   2 or +

317

(40.2)

Unplanned pregnancy

440

(55.8)

Gestational age at the time of the interview

  

   Mean (SD), weeks

24.3

(8.3)

   1st trimester

98

(12.4)

   2nd trimester

315

(40.0)

   3rd trimester

375

(47.6)

Number of antenatal care visits up to the moment

  

   1

112

(14.2)

   2 to 4

314

(39.9)

   5 or +

362

(45.9)

Women at high risk for PE *

250

(31.7)

Current milk intake (cups/day)

  

   0

189

(24.0)

   1 (246 mg)2

282

(35.8)

   2 - 3 (492 mg – 738 mg)

267

(33.9)

   4 or + (984 mg or +)

50

(6.3)

Current cheese intake

  

   Up to 1 portion3/day

130

(16.5)

   Up to 1 portion/week

199

(25.3)

   Up to 1 portion/month

50

(6.3)

   Rarely4 or never

409

(51.9)

  1. *Any of the following: nulliparity, age <20 or >35 years, diabetes mellitus or history of hypertension in a previous pregnancy.
  2. 1All values expressed as mean (SD) or N (%).
  3. 2Equivalent calcium value.
  4. 3One portion is 30 g of cheese.
  5. 4Less than one portion per month.