Methods for evaluating the extent to which different ways of presenting evidence of the effects of health care help people make decisions that are consistent with their own values: a randomised trial

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN14949974

Enrollment

770

Registered

2007-02-28

Start date

2002-10-31

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

N/A Not Applicable N/A

Interventions

Six different summary statistics presenting ten year risk reduction effect of statins on coronary heart disease in the treatment of hypercholesteremia. The methodological aspects reported in this stu

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. 18 years old 2. Fluent in English or Norwegian 3. Must give informed consent

Exclusion criteria

Exclusion criteria: Not meeting inclusion requirements

Design outcomes

Primary

Measure	Time frame
1. Acceptance or rejection of statin treatment 2. Estimated probability to accept or reject statin treatment in relation to value score	—

Secondary

Measure	Time frame
1. To investigate the feasibility of conducting Internet-based randomised trials comparing different risk reduction presentations 2. To compare two methods of eliciting values 3. Four ways of weighting the elicited values to calculate a total value 4. To generate hypotheses and calculate sample size for a confirmatory study comparing six summary statistics for communicating evidence of reduced risk of Coronary Heart Disease (CHD) with statin therapy for treatment of high cholesterol	—

Measure

Time frame

1. To investigate the feasibility of conducting Internet-based randomised trials comparing different risk reduction presentations 2. To compare two methods of eliciting values 3. Four ways of weighting the elicited values to calculate a total value 4. To generate hypotheses and calculate sample size for a confirmatory study comparing six summary statistics for communicating evidence of reduced risk of Coronary Heart Disease (CHD) with statin therapy for treatment of high cholesterol

—

Countries

Norway, United States of America

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026