Improving Diet Protein Intake in Middle-aged Women

Study Overview
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Brief Summary
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The study sought to examine the effectiveness of nutrition education with and without diet coaching on dietary protein intake and muscle mass, strength and function among a group of middle-aged women.

Detailed Description
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The study sought to examine the effectiveness of nutrition education alone and with 10 weeks of diet coaching on dietary protein intake and muscle mass, strength and function among a group of middle-aged women.

Official Title
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Improving Diet Protein Intake in Middle-aged Women

Conditions
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Dietary Habits

Intervention / Treatment
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* Behavioral: Coached


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: able to understand and respond to questions or instructions in English working telephone willingness to consume protein-containing animal products, willingness to make changes to the diet Exclusion Criteria: self-reported information that they have been told by a medical doctor that they have kidney (renal) disease current or past history of a diagnosed eating disorder have an internal cardiac pacemaker/defibrillator or other metal-type implant present vegan dietary practices refusal to make changes to usual dietary protein intake usual dietary protein intake greater than 1.2 g per kg body weight

Ages Eligible for Study
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Minimum Age: 45 Years
Maximum Age: 64 Years

Sexes Eligible for Study
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Female

Accepts Healthy Volunteers
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Accepts Healthy Volunteers

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Supportive Care
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: None (Open Label)


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Experimental: Coached<br>10 weeks of diet coaching | Behavioral: Coached<br>* 10-weeks of diet coaching weekly by telephone to improve dietary protein intake<br>|
| No Intervention: Not-coached<br>No coaching provided | |

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Changes in dietary protein intake from baseline | Assessed changes in dietary protein intake from three 24-hour dietary recalls collected at baseline. | 12 weeks | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Changes in muscle mass | Changes in muscle mass from baseline were measured using bioelectrical impedance analysis | 12 weeks | 
| Changes in upper body muscle strength | Changes in handgrip strength from baseline were measured using hand dynamometer | 12 weeks | 
| Changes in lower body muscle strength and function | Changes in 5-chair stand times from baseline were assessed | 12 weeks | 
| Changes in muscle function | Changes in 4 meter gait speed from baseline were assessed | 12 weeks | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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Protein intake, coaching, strength