The effects of an interactive web-based intervention to promote healthy behaviour

The effects of an interactive web-based intervention to promote healthy behaviour: a randomised single-blind study with a waiting list control condition

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN42687923

Enrollment

300

Registered

2009-10-27

Start date

2008-12-01

Completion date

Unknown

Last updated

2015-01-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy nutrition and exercise habits Nutritional, Metabolic, Endocrine

Interventions

Intervention: Access to interactive web-based application: participants can create a personal account at the intervention website and can use the application as often as they like to for the intervent

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Dutch-speaking 2. Interested in using online lifestyle intervention 3. Access to PC with internet access 4. Aged 18 years and over, either sex

Exclusion criteria

Exclusion criteria: Body mass index (BMI) less than 18 or more than 28 kg/m^2

Design outcomes

Primary

Measure	Time frame
1. Nutrition behaviour, measured using 14 item questionnaire of the Netherlands Nutrition Centre at baseline and after 12 weeks 2. Exercise behaviour, measured according to the Dutch Norm for Healthy Exercise (Nederlandse Norm Gezond Bewegen), using a 4-item questionnaire at baseline and after 12 weeks	—

Secondary

Measure	Time frame
1. Self-efficacy nutrition and exercise, both measured using a 3-item questionnaire (5 point Likert-scale) at baseline and after 12 weeks 2. Knowledge healthy nutrition habits, measured using a 10-item true/false questionnaire based on the Netherlands classification model at baseline and after 12 weeks 3. Knowledge healthy exercise habits, measured using a 10-item true/false questionnaire based on the Dutch norm for healthy exercise at baseline and after 12 weeks 4. Attitude healthy behaviour, measured using a 5-point Likert-scale questionnaire with 5 items on health consciousness attitude and 6 items on health beliefs attitude at baseline and after 12 weeks 5. Stage of change healthy nutrition and exercise, both measured using one item with five distinct answering categories at baseline and after 12 weeks	—

Measure

Time frame

1. Self-efficacy nutrition and exercise, both measured using a 3-item questionnaire (5 point Likert-scale) at baseline and after 12 weeks 2. Knowledge healthy nutrition habits, measured using a 10-item true/false questionnaire based on the Netherlands classification model at baseline and after 12 weeks 3. Knowledge healthy exercise habits, measured using a 10-item true/false questionnaire based on the Dutch norm for healthy exercise at baseline and after 12 weeks 4. Attitude healthy behaviour, measured using a 5-point Likert-scale questionnaire with 5 items on health consciousness attitude and 6 items on health beliefs attitude at baseline and after 12 weeks 5. Stage of change healthy nutrition and exercise, both measured using one item with five distinct answering categories at baseline and after 12 weeks

—

Countries

Belgium, Netherlands

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Mar 29, 2026