Variables | Instruments | Questionnaires | |||
---|---|---|---|---|---|
 |  | T1 | T2 | T3 | T4 |
Health | Â | Â | Â | Â | Â |
Non-specific somatic complaints | 4DSQ-somatisation scale | X | X | X | X |
Non-specific cognitive complaints | MOS-cognitive functioning | X | X | X | X |
General health perception | 1-item from SF-12 and 1-item from EQ5-D | X | X | X | X |
Perceived change in health | Â | Â | Â | X | X |
Psychosocial health mechanisms | Â | Â | Â | Â | Â |
Causal beliefs about health complaints | IPQ-cause scale (adapted) | X | X | X | X |
Anxiety and depression | HADS | X | X | X | X |
General health concerns | GHPQ (health concern scale) | X | X | X | X |
Environmental health concern | MHW (adapted) | Â | X | X | X |
Perception of the environment | Â | Â | Â | Â | Â |
Negative general health expectations of environmental factors | Â | Â | X | X | X |
Negative personal health expectations of environmental factors | Â | X | X | X | X |
Perceived proximity to environmental risk objects | Â | X | X | X | X |
Perceived saliency of environmental health risk information | Â | X | X | X | X |
Perceived environmental change | Â | Â | Â | X | X |
Dispositional factors | Â | Â | Â | Â | Â |
Demographics | Â | X | Â | Â | Â |
Neuroticism | NEO-FFI | Â | X | Â | Â |
Lack of mastery | 5-item mastery scale | Â | X | Â | Â |