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Table 6 Means of symptom perceptions at T2 and T3

From: Does precautionary information about electromagnetic fields trigger nocebo responses? An experimental risk communication study

Perceived symptom T2 Mean (SD) T2 Percent ‘markedly’; ‘strongly’a T3 Mean (SD) T3 Percent ‘markedly’; ‘strongly’ a
Ear noise 2.05 (.87) 20.4; 6.6 1.98 (.95) 17.5; 8.8
Fatigue 1.35 (.58) 5.1; 0 1.57 (.76) 11.7; 1.5
Restlesness or irritability 1.28 (.51) 2.9; 0 1.25 (.58) 2.9; 1.5
Sweating 1.23 (.45) 1.5; 0 1.14 (.39) 1.5; 0
Concentration difficulties 1.22 (.53) 0.7; 1,5 1.39 (.67) 10.2; 0
Dizziness 1.21 (.43) 0.7; 0 1.39 (.68) 6.6; 1.5
Drowsiness 1.20 (.42) 0.7; 0 1.35 (.58) 5,1; 0
Palpitation 1.20 (.45) 2.2; 0 1.32 (.56) 4.4
Feeling of warmth on skin 1.18 (.44) 2.2; 0 1.26 (.61) 4.4; 1.5
Dryness of mouth 1.17 (.46) 1.5; 0.7 1.28 (.61) 5.8; 0.7
Congestion of nose 1.17 (.52) 2.2; 1.5 1.15 (.51) 2.2; 1.5
Headache 1.14 (.39) 1.5; 0 1.47 (.64) 8; 0
Blurred vision 1.11 (.34) 0.7; 0 1.21 (.56) 2.9; 1.5
Muscle tension or trembling 1.10 (.33) 0.7; 0 1.16 (.44) 2.9; 0
Breathlessness 1.10 (.35) 1.5; 0 1.17 (.49) 2.9; 0.7
Breathing difficulties 1.07 (.29) 0.7; 0 1.18 (.50) 2.9; 0.7
Prickling of skin 1.07 (.29) 0.7; 0 1.25 (.55) 5.8; 0
Nausea 1.04 (.21) 4.4; 0 1.18 (.48) 4.4; 0
Itching of skin 1.03 (.21) 0.7; 0 1.12 (.41) 2.9; 0
Stomach ache 1.01 (.09) 0.7; 0 1.14 (.42) 2.9; 0
  1. aon a 4-point scale with labels 'not at ll', 'mildly', 'markedly', and 'strongly'
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