Does a free trial approach increase purchase and use of the water purification product Klorfasil in rural Haiti?

Does a free-trial approach increase purchase and use of a water purification product in rural Haiti? A cluster randomized control trial.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN11717387

Enrollment

500

Registered

2018-04-26

Start date

2016-05-01

Completion date

Unknown

Last updated

2021-08-24

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

Conditions

Water purification using chlorination to prevent diarrhea Infections and Infestations Infectious diarrhea

Interventions

We enrolled households from villages in Thomassique, Haiti, to evaluate purchase and water treatment outcomes over 6-months of follow-up. Clusters of households were randomized to free trial (interven

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Aged 18 years and over 2. Never used Klorfasil or another household water treatment product before (with the exception of Aquatabs)

Exclusion criteria

Exclusion criteria: 1. Under the age of 18 years 2. Used Klorfasil or another water purification product before

Design outcomes

Primary

Measure	Time frame
Decision to purchase Klorfasil at baseline and 180 days	—

Secondary

Measure	Time frame
Residual free chlorine (RFC) levels of stored drinking water at baseline and 30, 60, and 180 days after baseline. Water with RFC levels of 0.5 mg/l and above is deemed "treated" while water with RFC<0.5 mg/l is deemed "untreated"	—

Countries

Haiti

Outcome results

None listed

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