Blood Pressure, Body Composition, Mealtimes
Conditions
Brief summary
The study includes two parts: 1) an observational study examines the association of meal frequency, meal timing, and meal regularity with short-term changes in blood pressure and body composition; 2) a randomized controlled intervention examines the influence of recommendation of increase breakfast frequency and decrease nighttime snacking on 1-year changes in blood pressure and body composition.
Interventions
BEHAVIORALBreakfast promotion
Recommendation of having breakfast daily
BEHAVIORALNighttime snack reduction
Recommendation of reducing frequency of nighttime snacking
Sponsors
National Yang Ming Chiao Tung University
Study design
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
PREVENTION
Masking
NONE
Eligibility
Sex/Gender
ALL
Age
20 Years to 65 Years
Healthy volunteers
Yes
Inclusion criteria
* Adult * Willing to participate
Exclusion criteria
* Being pregnant * hemodialysis patients * clinical diagnosis of cardiovascular diseases * clinical diagnosis of cancer * clinical diagnosis of dementia * clinical diagnosis of eating disorders * having metal orthopedic implants * having pacemaker implanted
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Diastolic blood pressure | 1 year | Measured in mmHg (Microlife BP 3MS1-4K) |
| Standing height | 1 year | Height in meters |
| Body fat% | 1 year | Bioimpedance method (TANITA BC-418) |
| Body mass index | 1 year | Weight and height will be combined to report BMI in kg/m\^2 |
| Systolic blood pressure | 1 year | Measured in mmHg (Microlife BP 3MS1-4K) |
| Body weight | 1 year | Body weight in kilogram |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Frequency of breakfast per week | 1 year | Self-report food frequency questionnaire(0-7 days/week) |
| Frequency of nighttime snacking per week | 1 year | Self-report food frequency questionnaire(0-7 days/week) |
Other
| Measure | Time frame | Description |
|---|---|---|
| Mood status | 1 year | Depression, Anxiety, Stress Scale (DASS): The higher scores, the worse moods |
| Sleep quality score | 1 year | Pittsburgh Sleep Questionnaire(0-21 points): The higher scores, the worse sleep quality |
Outcome results
None listed