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Table 4 Total gestational weight gain (GWG) according to the pre-pregnancy weight statusc (WHO Classification) of 2010 and 2016 participants [Mean ± s.d. (range)d

From: A theory driven, pragmatic trial implementing changes to routine antenatal care that supports recommended pregnancy weight gain

Characteristic

Underweight+a 2010 6% (n = 39)

Underweight+a 2016 5% (n = 25)

Normal weight+a 2010 61%(n = 403)

Normal weight+a 2016 57% (n = 257)

Pre-obese+a 2010 21% (n = 141)

Pre-obese+a 2016 24% (n = 107)

Obese+a 2010 12% (n = 81)

Obese+a 2016 14% (n = 64)

Total GWG at about 36b weeks gestation (kg)

14.3 ± 4.3

13.7 ± 5.0

14.2 ± 5.3*

13.3 ± 4.7*

13.8 ± 6.8

13.1 ± 5.3

7.5 ± 8.7

8.6 ± 8.5

(7.5–23.0)

(6–26)

(-4.0–38.4)

(-7.6–26.9)

(-3.0–35.6)

(2.3–30.1)

(-10.6–24.0)

(-10.1–22.4)

[n = 27]

[n = 20]

[n = 338]

[n = 202]

[n = 116]

[n = 84]

[n = 62]

[n = 44]

  1. ameasured height and self reported pre-pregnancy weight
  2. bmeasured weight
  3. cWorld Health Organization weight status categories
  4. dcomparisons adjusted for weeks gestation at final weight measure (weeks), age (years), education (university degree vs. less than university degree), number of antenatal visits, and language spoken at home, (English vs other); +underweight, pre-pregnancy body mass index (BMI) < 18.5 kg/m2; normal weight pre-pregnancy BMI 18.5–24.9 kg/m2; pre-obese pre-pregnancy BMI 25.0–29.9 kg/m2; obese pre-pregnancy ≥ 30 kg/m2
  5. *2010 vs 2016 data significantly different p < 0.05