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Table 2 Comparison of parents and adolescents who participated in the field study to non- participants (data from the short questionnaire)

From: Exposure to mobile telecommunication networks assessed using personal dosimetry and well-being in children and adolescents: the German MobilEe-study

Variable Participants Non-participants  
  Prevalence n (%) Prevalence n (%) p-value
Parents of the children n = 1477 n = 628  
   Sex    0.29
male 359 (24.3) 139 (22.2)  
   Level of education    
at least 12 years of education 748 (51.0) 250 (40.4) <0.0001
   Nationality (mother)    <0.0001
German 902 (85.6) 347 (72.0)  
   Mobile phone ownership    0.02
  1365 (92.9) 562 (89.8)  
   Use of a mobile phone per day    0.16
< 5 minutes 1057 (72.4) 475 (76.4)  
> 5 minutes 404 (27.7) 147 (23.7)  
   Self-reported concerns about adverse health effects to EMF    <0.0001
not or little concerned 580 (55.4) 350 (72.5)  
fairly concerned 386 (36.9) 103 (22.0)  
deeply concerned 80 (7.7) 27 (5.6)  
   Self-estimated distance to the next base station    <0.0001
Don't know 39 (2.7) 136 (22.0)  
< 500 meters 945 (56.3) 303 (49.0)  
= 500 meters 464 (32.0) 179 (29.0)  
Adolescents n = 1508 n = 814  
   Sex    0.009
male 730 (48.4) 440 (54.1)  
   Level of education    
grammar school 743 (49.9) 253 (31.2) <0.0001
   Nationality (mother)    <0.0001
German 946 (85.1) 465 (74.9)  
   Mobile phone ownership    0.004
  1373 (91.2) 711 (87.4)  
   Use of a mobile phone per day    0.25
< 5 minutes 1153 (77.1) 593 (73.6)  
> 5 minutes 343 (22.9) 213 (26.5)  
   Self-reported concerns about adverse health effects to EMF    <0.0001
not or little concerned 969 (87.7) 572 (92.1)  
fairly concerned 120 (10.9) 38 (6.1)  
deeply concerned 17 (1.5) 11 (1.8)  
   Self-estimated distance to the next base station    <0.0001
don't know 47 (3.2) 139 (17.3)  
< 500 meters 922 (62.6) 390 (48.5)  
= 500 meters 503 (34.2) 274 (34.1)  
  1. EMF: electromagnetic fields