How Can Education Help Prevent Hypothyroidism in Rural Teenage Girls?

Investigating the Effect of an Educational Intervention Based on the Theory of Planned Behavior on the Prevention of Hypothyroidism in Rural Adolescent Girls: A Randomized Controlled Field Trial

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT20250327065163N1

Enrollment

353

Registered

2025-06-08

Start date

2023-10-23

Completion date

Unknown

Last updated

2025-07-21

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

Conditions

Hypothyroidism and its prevention in teenager students. Other hypothyroidism

Interventions

Intervention 1: Intervention group: Received an educational program including two 30-minute in-person sessions and two weeks of daily SMS messages. The content focused on awareness, prevention, and he

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: Consent to Participate in the Study Absence of hypothyroidism according to the student's health record Studying at a rural secondary school Not Participation in a Similar Educational Program Having a Smartphone

Exclusion criteria

Exclusion criteria: Inability to communicate in Persian or Arabic Not residing in the village where the student is studying

Design outcomes

Primary

Measure	Time frame
Change in the behavior scores about hypothyroidism prevention measured before and three months after the intervention. Timepoint: At baseline (before intervention) and 3 months after the intervention. Method of measurement: Researcher-developed structured questionnaire on hypothyroidism behavior.;Change in the attitude scores about hypothyroidism prevention measured before and three months after the intervention. Timepoint: At baseline (before intervention) and 3 months after the intervention. Method of measurement: Researcher-developed structured questionnaire on hypothyroidism attitude.;Change in the subjective norm scores about hypothyroidism prevention measured before and three months after the intervention. Timepoint: At baseline (before intervention) and 3 months after the intervention. Method of measurement: Researcher-developed structured questionnaire on hypothyroidism subjective norm.;Change in the perceived behavioral control scores about hypothyroidism prevention measured before and three months after the intervention. Timepoint: At baseline (before intervention) and 3 months after the intervention. Method of measurement: Researcher-developed structured questionnaire on hypothyroidism perceived behavioral control.;Change in the behavioral intention scores about hypothyroidism prevention measured before and three months after the intervention. Timepoint: At baseline (before intervention) and 3 months after the intervention. Method of measurement: Researcher-developed structured questionnaire on hypothyroidism behavioral intention.;Change in knowledge score about hypothyroidism prevention measured before and three monthe after the intervention. Timepoint: At baseline (before intervention) and 3 months after the intervention. Method of measurement: Researcher-developed structured questionnaire on hypothyroidism knowledge.	—

Measure

Time frame

Change in the behavior scores about hypothyroidism prevention measured before and three months after the intervention. Timepoint: At baseline (before intervention) and 3 months after the intervention. Method of measurement: Researcher-developed structured questionnaire on hypothyroidism behavior.;Change in the attitude scores about hypothyroidism prevention measured before and three months after the intervention. Timepoint: At baseline (before intervention) and 3 months after the intervention. Method of measurement: Researcher-developed structured questionnaire on hypothyroidism attitude.;Change in the subjective norm scores about hypothyroidism prevention measured before and three months after the intervention. Timepoint: At baseline (before intervention) and 3 months after the intervention. Method of measurement: Researcher-developed structured questionnaire on hypothyroidism subjective norm.;Change in the perceived behavioral control scores about hypothyroidism prevention measured before and three months after the intervention. Timepoint: At baseline (before intervention) and 3 months after the intervention. Method of measurement: Researcher-developed structured questionnaire on hypothyroidism perceived behavioral control.;Change in the behavioral intention scores about hypothyroidism prevention measured before and three months after the intervention. Timepoint: At baseline (before intervention) and 3 months after the intervention. Method of measurement: Researcher-developed structured questionnaire on hypothyroidism behavioral intention.;Change in knowledge score about hypothyroidism prevention measured before and three monthe after the intervention. Timepoint: At baseline (before intervention) and 3 months after the intervention. Method of measurement: Researcher-developed structured questionnaire on hypothyroidism knowledge.

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Countries

Iran (Islamic Republic of)

Contacts

Public ContactSharifeh Khasraji

Ahvaz University of Medical Sciences

sh.khasraji@gmail.com+98 61 3222 7890

Outcome results

None listed

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