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Table 4 Respondent feedback on dietary assessments

From: Feasibility of a commercial smartphone application for dietary assessment in epidemiological research and comparison with 24-h dietary recalls

Statement (n respondents)a Agree/Strongly Agree
n (%)
Undecided
n (%)
Disagree/Strongly Disagree
n (%)
Learning how to use the app was not difficult (n = 50) 47 (94) 1 (2) 2 (4)
The app was convenient to use (n = 49) 39 (80) 5 (10) 5 (10)
The foods I usually eat were easy to find on the app (n = 50) 26 (52) 8 (16) 16 (32)
I often recorded my food and drinks straight away (n = 50) 29 (58) 5 (10) 16 (32)
I found the app easy to use (n = 50) 41 (82) 6 (12) 3 (6)
The bar code scanner was useful (n = 43) 33 (77) 5 (12) 5 (12)
The app is likely to measure my diet accurately (n = 50) 37 (74) 7 (14) 6 (12)
I found it easy to estimate portion sizes (n = 50) 25 (50) 12 (24) 13 (26)
Overall I was satisfied using the app (n = 50) 40 (80) 4 (8) 6 (12)
I often included my own recipes when using the app (n = 42) 27 (64) 2 (5) 13 (31)
  App
n (%)
  Recall
n (%)
Which method of dietary collection did you prefer? (n = 48) 40 (83)   8 (17)
Why did you prefer the app or recalls? (n = 40)b    
 More convenient 29 (60)   2 (4)
 Easier to complete 28 (58)   5 (10)
 More accurate 24 (50)   5 (10)
 Less time consuming 21 (44)   5 (10)
 Easy to remember 20 (42)   1 (2)
 Portable 20 (42)  
 Enjoyable to use 4 (8)  
 Learnt something new 3 (6)  
  1. aQuestions were not compulsory therefore the total number of respondents varies by question
  2. bMultiple responses were permitted