Evaluation of a Mobile Phone Image-Based Dietary Assessment Method in Adults with Type 2 Diabetes
Abstract
:1. Introduction
2. Experimental Section
2.1. Subjects and Study Design
2.2. Total Energy Expenditure (TEE)
2.3. Nutricam Dietary Assessment Method (NuDAM)
2.4. Weighed Food Record (WFR)
2.5. Nutrient Analysis from the NuDAM and WFR
2.6. Statistical Analysis
3. Results
3.1. Criterion and Relative Validity
3.2. Inter-Rater Reliability
3.3. Usability, Acceptability and Changes to Eating Behaviours
Mean(± SD) Intake as Assessed by Each Dietitian † | ICC (95% CI) between Dietitians | Overall ‡ | |||||
---|---|---|---|---|---|---|---|
D1 | D2 | D3 | Mean ( ± SD) Intake § | Correlation ^ between Methods | |||
Energy (MJ/day) | NuDAM | 8.2 ± 1.7 | 9.0 ± 2.3 * | 9.1 ± 2.0 * | 0.88 (0.58–0.98) *** | 8.8 ± 2.0 | 0.57 |
WFR | 8.5 ± 1.6 | 8.9 ± 2.0 | 8.9 ± 1.8 | 0.92 (0.80–0.98) *** | 8.8 ± 1.8 | ||
Protein (g/day) | NuDAM | 89.3 ± 20.2 | 99.0 ± 31.4 | 98.1 ± 23.1 * | 0.79 (0.53–0.94) *** | 95.5 ± 23.7 | 0.78 ** |
WFR | 89.1 ± 26.8 | 91.9 ± 28.2 | 91.5 ± 24.9 | 0.97 (0.92–0.99) *** | 90.8 ± 26.4 | ||
Fat (g/day) | NuDAM | 75.6 ± 18.3 | 87.0 ± 25.4 * | 86.6 ± 20.1 | 0.77 (0.45–0.93) *** | 83.1 ± 20.3 | 0.24 |
WFR | 79.5 ± 16.8 | 85.4 ± 27.4 | 80.9 ± 24.2 | 0.82 (0.59–0.95) *** | 81.9 ± 21.8 | ||
CHO (g/day) | NuDAM | 194.9 ± 52.8 | 212.0 ± 52.7 * | 215.3 ± 60.8 | 0.91 (0.71–0.98) *** | 207.4 ± 54.4 | 0.63 * |
WFR | 206.3 ± 53.8 | 207.2 ± 54.9 | 211.9 ± 57.8 | 0.92 (0.79–0.98) *** | 208.5 ± 53.9 | ||
Alcohol (g/day) #,¶ | NuDAM | 15.0 ± 29.4 | 13.6 ± 28.0 | 14.4 ± 29.5 | 0.99 (0.98–0.99) *** | 14.3 ± 28.9 | 0.85 ** |
WFR | 16.1 ± 23.4 | 17.4 ± 30.2 | 16.5 ± 28.4 | 0.99 (0.98–0.99) *** | 16.7 ± 28.3 |
Questions (as Presented): | Count | |||
---|---|---|---|---|
Usability and Acceptability ^ | Strongly Agree | Agree | Neutral | Disagree |
Overall, I found the Nutricam mobile phone easy to use: | 7 | 2 | 1 | 0 |
Overall, I found weighing my foods and drinks easy: | 0 | 3 | 4 | 3 |
NuDAM only: | ||||
I found taking photographs of food and drink items easy *: | 5 | 5 | 0 | 0 |
I found recording the voice file easy *: | 5 | 5 | 0 | 0 |
I found that the Prompt Card was useful for remembering how to use Nutricam: | 5 | 1 | 4 | 0 |
When prompted during the call: I found it easy to clarify the details of the food and/or drink items that I had eaten during the previous day: | 8 | 1 | 1 | 0 |
I found it easy to remember if there were any food and/or drink items I had not recorded using the Nutricam mobile phone the previous day: | 7 | 3 | 0 | 0 |
I found it easy to remember the description of the food and/or drink items I had not recorded using the Nutricam mobile phone the previous day: | 6 | 4 | 0 | 0 |
I found it easy to remember the quantities of the food and/or drink items I had not recorded using the Nutricam mobile phone the previous day: | 6 | 3 | 1 | 0 |
Overall, I found that the length of the calls I received were appropriate: | 5 | 4 | 1 | 0 |
Change to eating behaviours | No | Yes | ||
Was there any difference in how you used the Nutricam mobile phone to record your diet when you were alone compared to when you were with other people or in public? | 4 | 6 | ||
Was there any difference in how you recorded your diet using the weighed record method when you were alone, compared to when you were with other people or in public? | 2 | 8 | ||
Did you record all food and drink items that you consumed during the test period using the Nutricam mobile phone? | 5 | 5 | ||
Did you record all food and drink items that you consumed during the test period using the weighed record method? | 4 | 6 | ||
Where there any foods and/or drinks that you usually eat, but did not eat during the Nutricam test period? | 9 | 1 | ||
Where there any foods and/or drinks that you usually eat, but did not eat during the weighed record method test period? | 6 | 4 |
4. Discussion
5. Conclusions
Acknowledgments
Author Contributions
Conflicts of Interest
References
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Rollo, M.E.; Ash, S.; Lyons-Wall, P.; Russell, A.W. Evaluation of a Mobile Phone Image-Based Dietary Assessment Method in Adults with Type 2 Diabetes. Nutrients 2015, 7, 4897-4910. https://doi.org/10.3390/nu7064897
Rollo ME, Ash S, Lyons-Wall P, Russell AW. Evaluation of a Mobile Phone Image-Based Dietary Assessment Method in Adults with Type 2 Diabetes. Nutrients. 2015; 7(6):4897-4910. https://doi.org/10.3390/nu7064897
Chicago/Turabian StyleRollo, Megan E., Susan Ash, Philippa Lyons-Wall, and Anthony W. Russell. 2015. "Evaluation of a Mobile Phone Image-Based Dietary Assessment Method in Adults with Type 2 Diabetes" Nutrients 7, no. 6: 4897-4910. https://doi.org/10.3390/nu7064897
APA StyleRollo, M. E., Ash, S., Lyons-Wall, P., & Russell, A. W. (2015). Evaluation of a Mobile Phone Image-Based Dietary Assessment Method in Adults with Type 2 Diabetes. Nutrients, 7(6), 4897-4910. https://doi.org/10.3390/nu7064897