From: Effects of 60 Hz magnetic fields on teenagers and adults
Adult | Teenager | P-value | |
---|---|---|---|
No. of subjects (n) | 30 | 30 | - |
Male: female | 15 : 15 | 14 : 16 | 0.796 |
Age (yr) | 27.9 ± 5.9 | 14.8 ± 1.4 | 0.000 |
Height (cm) | 166.4 ± 7.2 | 166.4 ± 6.9 | 0.985 |
Weight (kg) | 58.4 ± 7.7 | 57.0 ± 10.6 | 0.304 |
body mass index (kg/m2) | 21.0 ± 1.8 | 20.5 ± 2.8 | 0.110 |
Non-smoker: smoker | 25 : 5 | 26 : 4 | 1.000 |
Computer usage time (h/d) | 6.5 ± 3.9 | 2.3 ± 1.7 | 0.000 |
TV viewing time (h/d) | 1.4 ± 1.6 | 1.9 ± 1.8 | 0.068 |
Mobile phone usage periods (yr) | 9.9 ± 2.9 | 4.5 ± 1.9 | 0.000 |