A Self-efficacy Based Dietary Intervention

NCT04961827 | Terminated

• 1 other identifier: UW20-622
• Study Type: interventional
• Target: 68
• Locations: 1 country
• Sites: 1

Brief Summary

To develop and test the effectiveness of a dietary intervention aiming to enhance self-efficacy through sending images through instant messaging.

Conditions

Cancer

Outcome Measures

Primary Outcomes (2)

• Changes from baseline in mean dietary quality

  Servings of fruit and vegetables per day, number of red meat servings per week and ratio of whole to refined grains measured by a 3-day dietary record self-completed by participants before baseline and 3-months follow-up

  Baseline and 3 months

• Changes from baseline in mean skin carotenoid reading

  Skin carotenoid status reading measured by a reflective spectroscopy machine

  Baseline and 3 months

Other Outcomes (1)

• Changes from baseline in mean self-efficacy score

  Baseline and 3 months

Study Arms (2)

Intervention: Self-efficacy based images

EXPERIMENTAL

Intervention group with self-efficacy based images sent through instant messaging biweekly for 6 times.

Behavioral: Self-efficacy based images through instant messaging

Active control: knowledge based images

ACTIVE COMPARATOR

Active control group with knowledge based images sent through instant messaging biweekly for 6 times.

Behavioral: Knowledge based images through instant messaging

Interventions

Self-efficacy based images through instant messaging BEHAVIORAL

A total of 6 images will be sent to participants via instant messaging. Images will utilize concepts in the Theory of self-efficacy to increase dietary self-efficacy among participants and hence improve dietary quality beyond that of conventional nutrition counseling.

Intervention: Self-efficacy based images

Knowledge based images through instant messaging BEHAVIORAL

A total of 6 images will be sent to participants via instant messaging. Images will consist of information covered in nutrition counseling sessions, such as those related to serving sizes.

Active control: knowledge based images

Eligibility Criteria

• Sex: all
• Healthy Volunteers: No
• Age Groups: Child (0-17), Adult (18-64), Older Adult (65+)

You may qualify if:

• Aged 18 or above
• Diagnosed with cancer, non-metastatic (Stages 0-III)
• Ability to read Chinese and speak Cantonese or Putonghua/Mandarin
• Completed all active treatments, including surgery and adjuvant treatments such as chemotherapy and radiation therapy
• Attending clinic with nutrition counseling at study site

You may not qualify if:

• Ethnicity other than Chinese
• Diagnosed with mental, hearing, speech, or cognitive disabilities

Sponsors & Collaborators

• The University of Hong Kong: lead

Study Sites (1)

JCICC

Hong Kong, Hong Kong

Location

MeSH Terms

Conditions

Neoplasms

Study Officials

• Wendy Lam

  School of Public Health, The University of Hong Kong

  PRINCIPAL INVESTIGATOR

Study Design

• Study Type: interventional
• Phase: not applicable
• Allocation: RANDOMIZED
• Masking: DOUBLE
• Who Masked: PARTICIPANT, OUTCOMES ASSESSOR
• Purpose: SUPPORTIVE CARE
• Intervention Model: PARALLEL
• Sponsor Type: OTHER
• Responsible Party: PRINCIPAL INVESTIGATOR
• PI Title: Associate Professor

Study Record Dates

• First Submitted: July 9, 2021
• First Posted: July 14, 2021
• Study Start: July 29, 2021
• Primary Completion: December 22, 2022
• Study Completion: December 22, 2022
• Last Updated: May 9, 2024

Record last verified: 2024-05

Data Sharing

• IPD Sharing: Will not share

Locations

HK (1)