European Journal of Clinical Pharmacology

Supplementary material to “Use of antimigraine medications and information needs during pregnancy and breastfeeding: A cross-sectional study among 401 Norwegian women”

European Journal of Clinical Pharmacology

Siri Amundsen1,2, Torunn G. Øvrebø3, Netta Marie S. Amble3, Anne Christine Poole4 and Hedvig Nordeng3

1 Department of Laboratory Medicine, Division of Diagnostic Services, University Hospital of North Norway, Tromsø, Norway

2 Medical Pharmacology and Toxicology Research Group, Department of Medical Biology, Faculty of Health Sciences, UiT - The Arctic University of Norway, Tromsø, Norway

3 Pharmacoepidemiology and Drug Safety Research Group, Department of Pharmacy, School of Pharmacy, University of Oslo, Oslo, Norway

4 Sandvika Nevro Clinic, Sandvika, Norway

Corresponding author:

Siri Amundsen

Department of Laboratory Medicine

University Hospital of North Norway

PO box 63

N-9038 Tromsø

Norway

Online Resource 3 Comparison between the study population and the general

birthing population in Norway

General birthing populationa
(%) / Study population
(%)
Geographical living area
North / 8.3 / 9.0
Central / 13.3 / 16.0
West / 22.8 / 21.1
South-East / 55.5 / 53.9
Age (years)
25 / 14.2 / 15.0
25-29 / 32.0 / 32.9
30-39 / 50.2 / 48.4
≥ 40 / 3.6 / 3.7
Marital status
Married/ cohabiting / 93.4 / 94.8
Educationb
Primary / 57.9 / 28.7
Secondary / 31.5 / 45.1
Tertiary / 10.6 / 26.2
Parity
Primiparous / 42.1 / 51.6
Multiparous / 57.9 / 48.4
Smoking during pregnancy
Yes / 7.1c / 4.3d / 4.5e / 2.5f
Folate supplementation
Before pregnancy / 31.2 / 54.1
During pregnancy / 76.3 / 87.0

a Statistics for the general birthing population are retrieved from the Medical

Birth Registry of Norway and Statistics Norway (data for 2014).

b Primary = Primary/secondary/high school; Secondary = 1-4 years in

University college/ University; Tertiary = ≥5 years in University college/ University.

c Smoking status at the beginning of pregnancy.

d Smoking status at the end of pregnancy.

e Smoking occasionally during pregnancy.

f Smoking regularly during pregnancy.