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Basic Facts


Nine Months Zero (Negen Maanden Niet)


The intervention is an online computer tailored intervention aimed to reduce alcohol use during pregnancy. This intervention is for pregnant women using alcohol. Participants fill in a baseline questionnaire and two follow-up questionnaires 6 weeks and 3 months after baseline. After each questionnaire, they receive tailored advice.

Participants are recruited through gynaecologists and midwives or directed through pregnancy and alcohol related websites.


  • Education/public health/research institution


  • National


The main aim is that pregnant women who drink alcohol, stop drinking. 

Main objectives are:

  • to increase knowledge of harmful effects of alcohol use during pregnancy,
  • better understanding that advantages of not drinking are more important than the disadvantages,
  • better skills in dealing with absence of social support to abstain from alcohol during pregnancy,
  • to help making plans to achieve alcohol abstinence during pregnancy.


Stakeholder Involvement

  • Target group(s)
  • Intermediate target group
  • Funders
  • Researchers
  • Health insurance

Logic Model

The intervention is based on the I-Change Model (De Vries, et al., 2003). This model has been applied within several previous health promotion studies.

Elements Of Plan

  • Literature review and/or formative research
  • Needs assessment
  • Detailed plan of action
  • Financial plan
  • Human resource management plan
  • Time schedule
  • Partners' agreement
  • Communication plan
  • Evaluation plan


Time Frame

  • Non-recurring

Target Group

  • Pregnant women

Communication Channel

  • Newspaper/magazines
  • Brochures/leaflets/items
  • Social media
  • Website
  • E-mail
  • Meetings/conferences with experts/colleagues
  • Direct communication
  • Guidelines
  • Scientific publications

Core Activities

Presentations for gynaecologists and midwives to promote the intervention.

Supportive activities

  • Consultancy
  • Supervision
  • Training
  • Team meetings





  • Process
  • Outcome


Nine Months Zero proved to be effective. 78 % of the participating pregnant women stopped drinking after fulfilling the intervention, compared to 45 % of the women who were only consulted by the regular health care professionals. The intervention is recommended as an attractive intervention for pregnant women using alcohol.

Follow Up


Additional Information


Contact person: Wim van Dalen

Organization: Dutch Institute for Alcohol Policy STAP

Address: PO Box 9769, 3506 GT Utrecht

Country: Netherlands

Telephone number: + 31 30 6565 041

E-mail address:

Additional remarks

Last change: 16. 08. 2016 - 12:40, created: 12. 08. 2016
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