Table 3.
Changes in physiological parameters associated with provocation and perception of exposure to electromagnetic fields
| Parameter | IEI-EMF | Control | ||||
|---|---|---|---|---|---|---|
| Estimate | S.E | P value | Estimate | S.E | P value | |
| Systolic blood pressure (mmHg) | ||||||
| Provocationa | 0.02 | 0.73 | 0.98 | 0.02 | 0.64 | 0.97 |
| Perceptionb | -0.76 | 1.12 | 0.50 | 0.08 | 3.48 | 0.98 |
| Diastolic blood pressure (mmHg) | ||||||
| Provocation | 0.40 | 0.69 | 0.56 | 0.35 | 0.62 | 0.57 |
| Perception | -1.28 | 1.06 | 0.23 | -5.58 | 3.31 | 0.09 |
| Mean arterial pressure (mmHg) | ||||||
| Provocation | 0.05 | 0.70 | 0.94 | -0.17 | 0.60 | 0.78 |
| Perception | -0.26 | 1.06 | 0.80 | -2.86 | 3.18 | 0.37 |
| Heart rate (/min) | ||||||
| Provocation | -0.65 | 0.84 | 0.44 | 0.40 | 0.30 | 0.18 |
| Perception | -1.24 | 1.29 | 0.34 | 3.10 | 1.46 | 0.03* |
| LF/HF | ||||||
| Provocation | 0.19 | 0.11 | 0.10 | 0.09 | 0.09 | 0.35 |
| Perception | -0.11 | 0.18 | 0.55 | 1.04 | 0.71 | 0.14 |
SE Standard Error, LF Low-frequency pulses, HF High-frequency pulses
aLinear mixed-effect model (LME) command of the nlme package of R, fixed factor: provocation, random-effect factor: individual, and time series
bLinear mixed-effect model (LME) command of the nlme package of R, fixed factor: perception (believing of EMF provoked), random-effect factor: individual, and time series