Figure 1The practial research process in detail.
Table 1.Types of research
Type |
Available national data |
Action required |
Exposure factors |
Direct use type |
Yes |
Direct use |
Life expectancy |
Reanalysis type |
Yes |
Statistical reanalysis |
Body weight |
|
|
|
Population mobility |
|
|
|
Occupational mobility |
Conversion type |
Yes |
Data conversion |
Body surface area |
|
|
Creating a new variable |
Food ingestion factors |
|
|
|
Time spent on routine activities |
Actual survey type |
No |
Actual survey |
Inhalation rate |
|
|
|
Drinking water intake |
|
|
|
Soil ingestion |
|
|
|
Time spent in certain locations |
|
|
|
Time spent in vehicles |
|
|
|
Washing, showering, bathing and swimming |
Table 2.Phase of the study
Phase |
Development |
Pilot study |
1st |
Body weight |
Inhalation rate |
|
Life expectancy |
Drinking water intake |
|
Body surface area |
|
|
Occupational mobility |
|
|
Population mobility |
|
2nd |
Food ingestion factors |
Human activity pattern |
|
Inhalation rate |
|
|
Drinking water intake |
|
3rd |
Activity factors |
|
|
Soil ingestion |
|
|
Exposure factors handbook |
|
|
Web-based information system |
|