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Table 1 Demographic characteristics of knowledge tool group and control group

From: Knowledge translation tool to improve pregnant women’s awareness of gestational weight gain goals and risks of gaining outside recommendations: a non-randomized intervention study

Variables

Subcategories (If applicable)

Knowledge tool group (n = 131) N (%)*, unless otherwise indicated

Control group (n = 310) [9] N (%)*, unless otherwise indicated

p-value

Maternal age

Mean (±SD), years

30.1 (5.5)

29.5 (5.7)

0.365

Gestational age at enrolment

Mean (±SD), years

17.2 (5.5)

30.9 (7.5)

<0.001

Ethnicity

Caucasian

96 (75.6)

229 (74.1)

0.747

Marital status

Married

95 (74.8)

203 (65.5)

0.156

Common-law

17 (13.4)

53 (17.1)

Other

15 (11.8)

54 (17.4)

Education

Secondary or less

19 (14.7)

72 (23.5)

0.039

Any post-secondary

110 (85.3)

234 (76.5)

Income

Low (< $20,000)

19 (15.7)

52 (19.8)

0.115

Middle ($20,000 to $80,000)

40 (33.1)

106 (40.3)

High (> $80 000)

62 (51.2)

105 (39.9)

Current smoker

 

14 (10.8)

32 (10.4)

0.897

Chronic health conditions §

 

39 (29.8)

56 (19.1)

0.015

Pregnancy history

First time giving birth

62 (47.7)

132 (44.7)

0.437

One previous birth

50 (38.5)

107 (36.3)

Two or more previous births

18 (13.9)

56 (19.0)

Prepregnancy BMI

Mean (±SD), kg/m2

24.7 (5.7)

25.1 (6.7)

0.492

Underweight (BMI <18.5 kg/m2)

11 (8.5)

20 (6.8)

0.789

Normal weight (BMI 18.5-24.9 kg/m2)

67 (51.4)

164 (56.2)

Overweight (BMI 25.0-29.9 kg/m2)

33 (25.4)

65 (22.3)

Obese (BMI >30 kg/m2)

19 (14.6)

43 (14.7)

  1. Abbreviations: BMI Body Mass Index, IQR interquartile range, N/A not applicable, n sample size, SD standard deviation.
  2. *Participants with missing values were discarded from percentage calculations. There may be discrepancies in percentage calculations in previously published data if missing values were not discarded.
  3. Reprinted from The American Journal of Obstetrics and Gynecology, Vol 205, Sarah D. McDonald, Eleanor Pullenayegum, Valerie H. Taylor, Olha Lutsiv, Keyna Bracken, Catherine Good, Eileen Hutton, Wendy Sword, Despite 2009 guidelines, few women report being counseled correctly about weight gain during pregnancy, Pages No. 333.e1-333.e6, Copyright (2011), with permission from Elsevier.
  4. Statistically significant difference (p < 0.05).
  5. §Included depression, anxiety, obsessive compulsive disorder, eating disorders, digestive disorders, high blood pressure, diabetes, hypoglycemia, thyroid disorders, asthma, Reynaud’s phenomenon, arthritis, pituitary microadenoma, polycystic ovary syndrome, and eczema.