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. 2020 Jan 16;17(2):579. doi: 10.3390/ijerph17020579

Table 1.

Background characteristics the participants and mean scores of the psychosocial scales (N = 2666).

Background/Psychosocial Variables Mean ± SD n (%)
Age 12.77 ± 0.75
Gender (male) 1384 (51.9)
City (Shanghai) 1423 (53.4)
Live with
Father 83 (3.1)
Mother 219 (8.2)
Both 2252 (84.5)
Neither 112 (4.2)
Single-parent family (no) 2407 (9.3)
Family socio-economic status
Very poor 16 (0.6)
Poor 93 (3.5)
Ordinary 1008 (37.8)
Good 1333 (5.0)
Very good 216 (8.1)
Education level (father)
Primary school or below 75 (2.8)
Junior high school 459 (17.2)
Senior high school/vocational school 637 (23.9)
College 360 (13.5)
Undergraduate 834 (31.3)
Postgraduate 301 (11.3)
Education level (mother)
Primary school or below 112 (4.2)
Junior high school 469 (17.6)
Senior high school/vocational school 613 (23.0)
College 416 (15.6)
Undergraduate 848 (31.8)
Postgraduate 208 (7.8)
IGD (yes) 346 (13.0)
Parental support (score ranging 1–7) 5.16 ± 1.43
Peer support (score ranging 1–7) 5.09 ± 1.33
Positive relationship with parents (score ranging 1–10) 8.04 ± 2.04
Positive relationship with peers (score ranging 1–10) 8.31 ± 1.84
Parental psychological control (score ranging 1–4) 2.51 ± 0.66
Verbal abuse by teachers (score ranging 0–4) 1.60 ± 0.90
Verbal/physical abuse by parents (score ranging 0–4) 1.34 ± 0.97
Peer bullying (score ranging 0–4) 0.95 ± 0.86
Online bullying (score ranging 0–4) 0.35 ± 0.77