Table 1 Background characteristics of the participants (N = 195)
| Â | n | % |
|---|---|---|
Sex | ||
 Female | 114 | 58.5% |
 Male | 81 | 41.5% |
Residence | ||
 Urban | 102 | 52.3% |
 Rural | 93 | 47.7% |
One-child familya | ||
 Yes | 94 | 48.2% |
 No | 100 | 51.3% |
Hours of smart phone use per day | ||
 > 0–4 | 81 | 41.6% |
 > 4–8 | 104 | 53.3% |
 > 8 | 10 | 5.1% |
Major | ||
 Anesthesia | 27 | 13.8% |
 Forensic Medicine | 29 | 14.9% |
 Stomatology | 54 | 27.7% |
 Chinese Medicine | 85 | 43.6% |