Table 1 Demographic characteristics of subjects in two groups
|  | Non-Addicted group (n = 30) | Addicted group (n = 30) |
|---|---|---|
Mean ± SD (Range) | Mean ± SD (Range) | |
Age (years) | 24.23 ± 3.51 (20–31) | 24.93 ± 5.15 (20–39) |
Daily smartphone usage (hours) | 5.80 ± 2.56 (2–12) | 6.56 ± 2.55 (2–15) |
Annual smartphone usage (years) | 6.43 ± 1.65 (2–8) | 7.50 ± 1.57 (3–12) |
SAS score | 25.23 ± 5.50 (14–31) | 43.90 ± 6.61 (34–54) |
Gender (F/M) | 14/16 | 14/16 |
Marital status (single/marriage) | 26/4 | 26/4 |
Education: BSc, | 17 | 14 |
MSc, PhD | 30 | 16 |