Table 1 Comparison of Sri Lankan Brief Dietary Survey and 24-h Dietary Recall characteristics
Dietary assessment characteristics | Sri Lankan Brief Dietary Survey (SLBDS) | 24-h Dietary Recall (24DR) |
|---|---|---|
Study design | Cross-sectional | Cross-sectional |
Time period of interest | Previous 24 h | Previous 24 h |
Information queried | Specific components of diet (excluding contextual details) | Total diet (including contextual details) |
Survey structure and length | Structured 1 A4 page Reporting units prescribed | Structured Variable length Reporting units not prescribed |
Time required to complete | 5–15 min | 30 min – > 1 h |
Recall requirements | Total consumption by food group in prescribed units | Consumption as recalled |
Data coding and analysis | Data coding and unit conversion not required | Data coding and unit conversion required |