Table 1 |
|
|
Questionnaire instruments |
|
| Outcome |
Measuring instrument |
|
|
|
| Acute symptoms |
Typical symptoms mentioned in the context of exposure to mobile phone frequencies,
answers following the German "Zerssen complaint list" [23] |
| Chronic symptoms |
Following the questions of the HBSC-study (Health Behaviour in School-aged Children)
[24] |
| Mental health |
German version of the Strength and Difficulties Questionnaire (SDQ) [25-27] |
| Potential confounding variables |
|
| Sociodemographic data |
Questionnaire of the German Health Interview and Examination Survey for Children and
Adolescents [28] |
| Environmental worry |
Short form of the environmental worry scale [29,30] |
| Exposure |
|
| Objective exposure |
Measurement using personal dosimetry |
| Subjective exposure |
Questionnaire of the annual survey of the infas from 2003 [31] |
|
|
|
|
Thomas et al. Environmental Health 2008 7:54 doi:10.1186/1476-069X-7-54 |
|
