Table 3.
Association between self-reported and measured exposure
| Children | Adolescents | ||||
|---|---|---|---|---|---|
| Variable | Quartile | n (%)* | OR (95% CI)# | n (%)* | OR (95% CI)# |
|
Mobile phone ownership yes |
1 | 122 (18.9) | 1.0 | 296 (23.5%) | 1.0 |
| 2 | 156 (24.2) | 1.5 (1.1;2.1) | 320 (25.4%) | 2.1 (1.3;3.4) | |
| 3 | 189 (29.3) | 1.5 (1.3;1.8) | 322 (25.5%) | 2.4 (1.4;4.0) | |
| 4 | 178 (27.6) | 2.0 (1.5;2.7) | 324 (25.7%) | 2.6 (1.5;4.4) | |
|
Mobile phone use during morning hours > 5 minutes |
1 | 5 (22.7) | 1.0 | 27 (21.6) | 1.0 |
| 2 | 2 (9.1) | 0.4 (0.1;2.1) | 27 (21.6) | 1.0 (0.6;1.8) | |
| 3 | 9 (40.9) | 1.3 (0.9;2.0) | 33 (26.4) | 1.2 (0.7;2.1) | |
| 4 | 6 (27.3) | 1.2 (0.4;4.1) | 38 (30.4) | 1.5 (0.9;2.5) | |
|
Mobile phone use during afternoon hours > 5 minutes |
1 | 3 (10.0) | 1.0 | 25 (13.2%) | 1.0 |
| 2 | 3 (10.0) | 1.0 (0.2;5.0) | 29 (15.3%) | 1.2 (0.7;2.0) | |
| 3 | 10 (33.3) | 3.4 (0.9;12.6) | 60 (31.6%) | 2.7 (1.6;4.4) | |
| 4 | 14 (46.4) | 4.9 (1.4;17.3) | 76 (40.0%) | 3.6 (2.2;5.9) | |
95% CI 95% Confidence Interval
* Prevalence of participants with an exposure in quartile 1 -4
# Odds ratio of participants with an exposure in quartile 1 -4; reference category: Quartile 1(0.13% - 0.15% of the ICNIRP reference level), OR = 1