To help you get the advice required for compatible step up against the latest highest numbers of undesirable pregnancies, a national questionnaire out-of 1000 women member of the Swedish female population is held. Second expectations would be to investigate the information girls provides off contraception procedures, as to the reasons girls favor not to fool around with contraception and how they manage unexpected and you can undesirable pregnancies.
Situation and techniques
The telephone questionnaire is performed by TNS Sifo?s experts in medical care studies-Navigare. TNS Sifo is the Swedish department of TNS- a major international organization centered on industry studies. It had been projected one 1000 girls is enough to getting capable run valid subgroup analyses various ages intervals. Women between your ages sixteen–forty-two was in fact incorporated and you will understood from the database “Par KONSUMENT” that covers 90% of all anybody over the period of sixteen age for the Sweden. An effective ple try drawn for ladies aged 16–20 in order to get a good stratification getting young women. More information on the new databases during the available in secondary pointers (S1 Document). To correct for the 
simple fact that younger ladies are reduced portrayed from inside the mobile records the brand new proportion off more youthful some one are multiplied by one thing of just one.2 considering practical doing work processes. Both repaired and you can mobile phone numbers were used to make contact with the new female. To 3 attempts have been made to-arrive each person woman, playing with one another repaired and you can mobile numbers, in advance of these were within the contact failure category. Everyone on get in touch with inability group try changed of the an excellent girl in identical decades classification.
The shipments of one’s demographical features of people throughout the considering take to is often versus asked distribution provided by new Taxation Expert. New demographical features that will be opposed are the ones present in the brand new Tax Expert register such as age and you can places where people real time. Ergo, they are services that is certainly fixed for. The Tax Expert does not render statistics towards current earnings otherwise ethnic background to help you industrial people when paired in order to private identity numbers. Therefore, it’s impossible to correct for those qualities. Therefore, the newest bias hence stays cannot be fixed provided the study is completed given that a telephone survey.
Every woman who have been attained were informed regarding the objectives away from the survey just before curious and this every private information carry out become coded and you may maintained confidential and you may wouldn’t be available for the newest administrator of one’s report. All women had been informed the survey is actually a partnership between a drug team (MSD Sweden) and you can independent researchers. Immigrant women was excluded once they got decreased knowledge of brand new Swedish vocabulary understand the questions which was judged by elite interviewer.
Stability statement
All consent is received verbally as is regular into the cell studies. All women had a solution to answer questions and also to stop the device questionnaire any time. Written agree is actually for this reason perhaps not thought to be a necessary part of the latest protocol. The fresh spoken advised agree is actually filed regarding the topic document. Adult agree is acquired by the interviewer should your interviewed individual try a small. The fresh adult consent is recorded in the topic file. Spoken subject and adult concur in addition to study as a result had been authorized by the Moral Opinion Board out-of Karolinska Institutet, Stockholm, Sweden (enable nr -31/5).
The new questionnaire consisted of ten concerns on the demographic features of women such as for example as the years, and this a portion of the country and what sort of community they reside in (town, country side higher town etc), a job condition, informative top, municipal status, earnings regarding the domestic, and you will cultural records (born from inside the Sweden, parents created from inside the Sweden an such like).