|
Comparison of parents and adolescents who participated in the field study to non- participants (data from the short questionnaire) |
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| 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) |
|
|
EMF: electromagnetic fields | |||
Thomas et al. Environmental Health 2008 7:54 doi:10.1186/1476-069X-7-54 |
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