Evaluating the Effectiveness of Print Based Environmental Health Intervention Education Among School Going Adolescents of Karachi, A Quasi Study

This study investigates the impact of school-based educational interventions on adolescents' knowledge and practices related to environmental health in Karachi, Pakistan. The methodology opted for this research is quasi experiment with three months intervention period. The research will begin with a baseline survey to assess adolescents' understanding of environmental health, green spaces, waste management, and associated health impacts. Schools are then engaged in creating and maintaining green spaces and adopting waste management practices. Two intervention arms are implemented: Arm 1 receives educational content through posters, while Arm 2 receives pamphlets. In March, schools are revisited to evaluate the maintenance of cleanliness and green spaces. Finally, in April, a post-intervention survey will be conducted to measure changes in knowledge and eco-friendly practices. The study aims to determine the effectiveness of posters versus pamphlets in enhancing knowledge and sustaining environmental practices among adolescents, thereby contributing to evidence-based strategies for promoting environmental health education in urban school settings.

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Key information

Conditions

Environmental Health Adolescent Health Educational Intervention Green Spaces Infections Plantation Safe Water Waste Management Water-Borne Infectious Disease Waterborne Diseases

Age range

10 year–16 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 4

Primary location

Shah Faisal Town Karachi, Pakistan

Karachi, Sindh, Pakistan

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

The study will target only one mode of education in Karachi, i.e., the matriculation system, including both public and private schools to cover a broad segment of the adolescent student population.
Schools registered with the Board of Secondary Education Karachi (BSEK) will be included, ensuring that students from both sectors will follow the same curriculum.
Schools must have at least 30 students in each class from 6th to 10th grade, so that each class can serve as a stratum.
Only schools that provide permission to conduct the study within their premises will be enrolled.
Only students who provide assent and whose parents provide consent will be included

Exclusion criteria

Any participant who plans to leave their school during the study period.
Any participant who is not present during any round of the study, i.e., before and after the intervention.

Treatment and study plan

Educational Intervention either from Poster or Infographic pamphlet

Behavioral

Age-appropriate sessions on climate science, health impacts (heat stress, vector-borne diseases, air pollution), mindful use of water, proper waste management and local relevance (e.g., Karachi's heatwaves, dengue outbreaks)

Primary outcomes

Increased Knowledge about environmental Health

Time frame: 3 months

High Environmental & Health Awareness (28-36 points)

Strong knowledge

Excellent awareness of pollution, climate issues, and disease linkages

Likely to engage in positive environmental behaviour

Moderate Awareness (18-27 points)

Good understanding but with some gaps

Needs moderate reinforcement through school/community programs

Low Awareness (0-17 points)

Limited understanding

Requires structured awareness sessions and visual learning tools

Secondary outcomes

Waterborne and Airborne Disease Knowledge

Time frame: 3 months

High Environmental & Health Awareness (28-36 points)

Strong knowledge

Excellent awareness of pollution, climate issues, and disease linkages

Likely to engage in positive environmental behaviour

Moderate Awareness (18-27 points)

Good understanding but with some gaps

Needs moderate reinforcement through school/community programs

Low Awareness (0-17 points)

Limited understanding

Requires structured awareness sessions and visual learning tools

Sponsors and collaborators

Lead sponsor

Bahria University

Other

Registry information

Important dates

Study start: 2026
Primary completion: 2026
Study completion: 2026
First posted: Feb 2, 2026
Registry last updated: Apr 30, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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