Effect of weight self-stigma reduction intervention on obesity treatment

Comparison of the effectiveness of low-calorie diet alone and in combination with cognitive-behavioural therapy intervention to reduce weight self-stigma on diet adherence and anthropometric indices in adult women with obesity and weight self-stigma: a randomized clinical trial

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT20140907019082N12

Enrollment

120

Registered

2023-11-25

Start date

2023-08-17

Completion date

Unknown

Last updated

2024-01-22

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

Conditions

Condition 1: obesity. Condition 2: weight self-stigma. Overweight and obesity

Interventions

Intervention 1: Intervention group: providing a monthly weight-loss diet in the form of a 30% reduction of the total daily caloric requirement calculated by the Mifflin st jeor formula (minimum calori

Eligibility

Sex/Gender

Female

Age

18 Years to 50 Years

Inclusion criteria

Inclusion criteria: Willingness to participate in the study and sign a written consent form Age between 18 and 50 years Body mass index (BMI) between 30 and 40 Kg/m2 Confirmation of weight self-stigma by questionnaire

Exclusion criteria

Exclusion criteria: Suffering from certain diseases or a serious condition (such as bulimia) that affects the results of the study Receive specialized psychological counseling to treat weight self-stigma in the last 3 months

Design outcomes

Primary

Measure	Time frame
Weight self-stigma score using WBIS questionnaire. Timepoint: assessment of weight self-stigma score at the beginning, day 30, 60 and 120 of the study. Method of measurement: assessment of weight self-stigma score with the Weight Bias Internalization Scale (WBIS) questionnaire.;Adherence percentage to weight loss diet. Timepoint: Measuring percentage of adherence to weight loss diet at the beginning, day 30, 60 and 120 of the study. Method of measurement: Measuring the percentage of adherence to the weight loss diet using the method of Pedro et al. (2009).	—

Measure

Time frame

Weight self-stigma score using WBIS questionnaire. Timepoint: assessment of weight self-stigma score at the beginning, day 30, 60 and 120 of the study. Method of measurement: assessment of weight self-stigma score with the Weight Bias Internalization Scale (WBIS) questionnaire.;Adherence percentage to weight loss diet. Timepoint: Measuring percentage of adherence to weight loss diet at the beginning, day 30, 60 and 120 of the study. Method of measurement: Measuring the percentage of adherence to the weight loss diet using the method of Pedro et al. (2009).

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Secondary

Measure	Time frame
General mental health. Timepoint: At the beginning, on the 30th, 60th and 120th day of the study. Method of measurement: GHQ-28 questionnaire.;The intake of energy, micronutrients and macronutrients. Timepoint: At the beginning, on the 30th, 60th and 120th day of the study. Method of measurement: FFQ questionnaire and 3-day food record.;Weight. Timepoint: At the beginning, on the 30th, 60th and 120th day of the study. Method of measurement: With the InBody 230 device.;Height. Timepoint: At the beginning of the study. Method of measurement: seca stadiometer.;Waist circumference. Timepoint: At the beginning, on the 30th, 60th and 120th day of the study. Method of measurement: tape measure.;Hip circumference. Timepoint: At the beginning, on the 30th, 60th and 120th day of the study. Method of measurement: tape measure.;Fat mass. Timepoint: At the beginning, on the 30th, 60th and 120th day of the study. Method of measurement: With the InBody 230 device.;Fat-free mass. Timepoint: At the beginning, on the 30th, 60th and 120th day of the study. Method of measurement: With the InBody 230 device.;Body water. Timepoint: At the beginning, on the 30th, 60th and 120th day of the study. Method of measurement: With the InBody 230 device.	—

Measure

Time frame

General mental health. Timepoint: At the beginning, on the 30th, 60th and 120th day of the study. Method of measurement: GHQ-28 questionnaire.;The intake of energy, micronutrients and macronutrients. Timepoint: At the beginning, on the 30th, 60th and 120th day of the study. Method of measurement: FFQ questionnaire and 3-day food record.;Weight. Timepoint: At the beginning, on the 30th, 60th and 120th day of the study. Method of measurement: With the InBody 230 device.;Height. Timepoint: At the beginning of the study. Method of measurement: seca stadiometer.;Waist circumference. Timepoint: At the beginning, on the 30th, 60th and 120th day of the study. Method of measurement: tape measure.;Hip circumference. Timepoint: At the beginning, on the 30th, 60th and 120th day of the study. Method of measurement: tape measure.;Fat mass. Timepoint: At the beginning, on the 30th, 60th and 120th day of the study. Method of measurement: With the InBody 230 device.;Fat-free mass. Timepoint: At the beginning, on the 30th, 60th and 120th day of the study. Method of measurement: With the InBody 230 device.;Body water. Timepoint: At the beginning, on the 30th, 60th and 120th day of the study. Method of measurement: With the InBody 230 device.

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Countries

Iran (Islamic Republic of)

Contacts

Public ContactMahdieh Abbasalizad Farhangi

Tabriz University of Medical Sciences

abbasalizadm@tbzmed.ac.ir+98 413357580

Outcome results

None listed

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