The Effectiveness of Low Calorie Low Salt Lunch for Weight Reduction of Workers of a Health Promoting Hospital

Study Overview
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Brief Summary
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The aim of this study is to evaluate the effectiveness of Low Calorie Low Salt Lunch for Weight Reduction in overweight or obese workers of a health promoting hospital.

Conditions
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Overweight, Obesity

Intervention / Treatment
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* Other: Lunch which is calorie-restricted and low-salt


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Overweight or obese Hospital workers Exclusion Criteria: History of major medical problems such as heart disease in the last 6 months Orthopaedic or joint problems that would be a barrier to physical activity Pregnancy Recent weight change of ≥10% of baseline weight Taking medications that might affect body weight Participation in other program about weight control Alcohol or substance abuser Other uncontrolled psychiatric problems Eating disorders
Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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No

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Treatment
Allocation: Randomized
Intervention Model: Crossover Assignment
Masking: None (Open Label)


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Experimental: Full participation<br>Participants in this group receive lunch which is calorie-restricted and low-salt during 12 weeks, the total duration of this study. | Other: Lunch which is calorie-restricted and low-salt<br>* Comparison of different duration of feeding lunch which is calorie-restricted and low-salt<br>|
| Experimental: Two thirds participation<br>Participants in this group starts lunch which is calorie-restricted and low-salt after 4 weeks from the beginning of the study and maintain the diet during 8 weeks. | Other: Lunch which is calorie-restricted and low-salt<br>* Comparison of different duration of feeding lunch which is calorie-restricted and low-salt<br>|
| Experimental: One thirds participation<br>Participants in this group starts lunch which is calorie-restricted and low-salt after 8 weeks from the beginning of the study and maintain the diet during 4 weeks. | Other: Lunch which is calorie-restricted and low-salt<br>* Comparison of different duration of feeding lunch which is calorie-restricted and low-salt<br>|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Change from baseline in weight | Participants will be monitored for up to 12 weeks after intervention | 4 weeks, 8 weeks, and 12 weeks | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Change from baseline in waist circumference | Participants will be monitored for up to 12 weeks after intervention | 4 weeks, 8 weeks, and 12 weeks | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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Overweight, Obesity, Caloric Restriction, Diet, Reducing, Diet, Sodium-Restricted, Body Weight Changes, Energy intake, Feeding Behavior