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Table 1 Sociodemographic characteristics of breastfeeding and non-breastfeeding mothers in the CHILD cohort study at 3, 6 and 12 months postpartum

From: The use of prescription medications and non-prescription medications during lactation in a prospective Canadian cohort study

 

3 months

6 months

12 months

Breastfeeding women (n = 2540)

Non-breastfeeding women (n = 366)

Breastfeeding women (n = 1984)

Non-breastfeeding women (n = 639)

Breastfeeding women (n = 1180)

Non-breastfeeding women (n = 1413)

n (%)

n (%)

p

n (%)

n (%)

p

n (%)

n (%)

p

Country of birth

Canadian-born

1888 (74%)

274 (75%)

NS

1475 (76%)

509 (80%)

0.02

878 (74%)

1104 (78%)

0.02

Foreign-born

641 (25%)

86 (23%)

465 (24%)

122 (19%)

296 (25%)

300 (21%)

No answer

11 (0.4%)

6 (2%)

8 (0.4%)

8 (1%)

6 (1%)

9 (1%)

Age at delivery (yr)

<30

665 (26%)

163 (45%)

< 0.001

504 (26%)

250 (39%)

< 0.001

261 (22%)

501 (35%)

< 0.001

30–35

1126 (44%)

111 (30%)

861 (44%)

252 (39%)

530 (45%)

577 (41%)

>35

749 (29%)

83 (23%)

583 (30%)

137 (21%)

389 (33%)

335 (24%)

Education

Not completed HS

665 (26%)

163 (45%)

< 0.001

504 (26%)

250 (39%)

< 0.001

261 (22%)

501 (35%)

< 0.001

Completed HS

1126 (44%)

111 (30%)

861 (44%)

252 (39%)

530 (45%)

577 (41%)

Some college/university

749 (29%)

83 (23%)

583 (30%)

137 (21%)

389 (33%)

335 (24%)

Completed college/university

665 (26%)

163 (45%)

504 (26%)

250 (39%)

261 (22%)

501 (35%)

Masters/PhD

1126 (44%)

111 (30%)

861 (44%)

252 (39%)

530 (45%)

577 (41%)

No answer

749 (29%)

83 (23%)

583 (30%)

137 (21%)

389 (33%)

335 (24%)

Annual household income

<50 K

266 (10%)

71 (19%)

< 0.001

193 (10%)

106 (17%)

< 0.001

110 (9%)

187 (13%)

0.003

50-100 K

751 (30%)

104 (28%)

596 (31%)

187 (29%)

390 (33%)

401 (28%)

100-150 K

661 (26%)

83 (23%)

507 (26%)

151 (24%)

308 (26%)

354 (25%)

>150 K

581 (23%)

58 (16%)

438 (22%)

113 (18%)

238 (20%)

308 (22%)

No answer

277 (11%)

50 (14%)

210 (11%)

82 (13%)

133 (11%)

160 (11%)

Study Centre

Edmonton

521 (21%)

109 (30%)

< 0.001

401 (21%)

166 (26%)

< 0.001

211 (18%)

386 (27%)

< 0.001

Toronto

613 (24%)

89 (24%)

436 (22%)

135 (21%)

209 (18%)

300 (21%)

Vancouver

661 (26%)

43 (12%)

503 (26%)

82 (13%)

400 (34%)

233 (16%)

Manitoba

745 (29%)

125 (34%)

608 (31%)

256 (40%)

360 (31%)

494 (35%)

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International Breastfeeding Journal

ISSN: 1746-4358