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Table 1 Descriptive data of socio-demographic characteristics and MP usage (N = 7102)

From: Association between mobile phone use and inattention in 7102 Chinese adolescents: a population-based cross-sectional study

Characteristic Prevalence n (%)
Sex  
Male 3613 (50.87)
Female 3489 (49.13)
Age  
12 248 (3.49)
13 968 (13.63)
14 1340 (18.87)
15 1355 (19.08)
16 1119 (15.76)
17 906 (12.76)
18 669 (9.42)
19 194 (2.73)
20 19 (0.27)
Urban/Rural  
Rural 2069 (29.13)
Urban 5033 (70.87)
MP Ownership  
Own MP 5668 (79.81)
Don't own MP 1434 (20.19)
Whether close to mobile base stations  
Close to mobile base stations 3920 (55.20)
Far away from mobile base stations 3182 (44.80)
Characteristic Mean ± SD Min-Max
Age 15.26 ± 1.77 12-20
MP use years 3.50 ± 2.48 0-18
Minutes on call (min/day) 8.64 ± 15.48 0-180
Time of entertainment (min/day) 57.36 ± 71.96 0-480