Intervention for mothers during pregnancy to reduce exposure to second-hand smoke

Intervention for Mothers during Pregnancy to Reduce Exposure to Second-hand Smoke (IMPRESS): a pilot randomized controlled trial in Bangladesh and India

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN18132255

Enrollment

100

Registered

2024-02-19

Start date

2016-11-01

Completion date

Unknown

Last updated

2025-03-31

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

Conditions

Second-hand smoke Other

Interventions

Multicomponent behavioural intervention Participants were divided into two groups. Simple 1:1 randomization using computer-generated sequence of random numbers was used. One group received a comprehe

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: 1. Women within 20 weeks of pregnancy attending the selected clinics 2. Over 18 years old, reported SHS exposure by their husbands at home 3. Resident in the area and were NicAlert positive

Exclusion criteria

Exclusion criteria: Women using tobacco (smoking or chewing tobacco)

Design outcomes

Primary

Measure	Time frame
Saliva cotinine levels measured using NicAlert® test at baseline and 3-month follow-up	—

Secondary

Measure	Time frame
Women’s knowledge of SHS; attitudes to SHS and behaviours to reduce SHS exposure; perceived confidence in negotiating change with husbands and other family members and perceived readiness of their husband to change, measured using researcher-administered knowledge, attitude and behaviour questionnaire at baseline and 3 months	—

Countries

Bangladesh, India

Contacts

Public ContactAtif Eahman

atif.rahman@liverpool.ac.uk+44 (0)151 794 2000

Outcome results

None listed

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