Table 2 Participant demographic characteristics
Full Sample | Male | Female | |
|---|---|---|---|
n (%) | n (%) | n (%) | |
Area | |||
Urban | 4305 (49.2) | 2168 (50.0) | 2137 (48.5) |
Rural | 4441 (50.8) | 2171 (50.0) | 2270 (51.5) |
Grade | |||
Seventh grade | 2246 (25.7) | 1191 (27.4) | 1055 (23.9) |
Eighth grade | 1147 (13.1) | 625 (14.4) | 522 (11.8) |
Ninth grade | 1021 (11.7) | 517 (11.9) | 504 (11.4) |
Tenth grade | 2431 (27.8) | 1133 (26.1) | 1298 (29.5) |
Eleventh grade | 1092 (12.5) | 483 (11.1) | 609 (13.8) |
Twelfth grade | 809 (9.2) | 390 (9.0) | 419 (9.5) |
Age | |||
12 y | 350 (4.0) | 153 (3.5) | 197 (4.5) |
13 y | 1756 (20.1) | 895 (20.6) | 861 (19.5) |
14 y | 1207 (13.8) | 687 (15.8) | 520 (11.8) |
15 y | 1101 (12.6) | 562 (13.0) | 539 (12.2) |
16 y | 1418 (16.2) | 655 (15.1) | 763 (17.3) |
17 y | 1574 (18.0) | 732 (16.9) | 842 (19.1) |
18 y | 1340 (15.3) | 655 (15.1) | 685 (15.5) |
Whether to live on campus | |||
No | 4404 (50.4) | 2349 (54.1) | 2055 (46.6) |
Yes | 4342 (49.6) | 1990 (45.9) | 2352 (53.4) |
Academic performance | |||
Good | 3605 (41.2) | 1705 (39.3) | 1900 (43.1) |
Fair | 3602 (41.2) | 1686 (38.9) | 1916 (43.5) |
Poor | 1539 (17.6) | 948 (21.8) | 591 (13.4) |
Peer relationship | |||
Good | 5255 (60.1) | 2610 (60.2) | 2645 (60.0) |
Fair | 3266 (37.3) | 1605 (37.0) | 1661 (37.7) |
Poor | 225 (2.6) | 124 (2.9) | 101 (2.3) |
Sibling number | |||
None | 4350 (49.7) | 2436 (56.1) | 1914 (43.4) |
One | 3165 (36.2) | 1385 (31.9) | 1780 (40.4) |
Two or more | 1231 (14.1) | 518 (11.9) | 713 (16.2) |
Marital status of parents | |||
Normal / married | 7782 (89.6) | 3866 (89.9) | 3916 (89.3) |
Divorced / separation | 670 (7.7) | 326 (7.6) | 344 (7.8) |
Death of one or both parents | 233 (2.7) | 110 (2.6) | 123 (2.8) |
Parents’ relationship | |||
Harmonious | 5189 (66.7) | 2564 (66.3) | 2625 (67.0) |
Not harmonious | 2593 (33.3) | 1302 (33.7) | 1291 (33.0) |
Father’s education | |||
Elementary and below | 1298 (15.7) | 603 (14.8) | 695 (16.6) |
Junior high school | 4276 (51.9) | 2050 (50.5) | 2226 (53.2) |
High school / Vocational school | 2002 (24.3) | 1038 (25.5) | 964 (23.0) |
College and above | 670 (8.1) | 372 (9.2) | 298 (7.1) |
Relationship with father | |||
Good | 5117 (58.5) | 2517 (58.0) | 2600 (59.0) |
Fair | 2283 (26.1) | 1153 (26.6) | 1130 (25.6) |
Poor | 1346 (15.4) | 669 (15.4) | 677 (15.4) |
Severity of father | |||
Strict | 1199 (13.7) | 626 (14.4) | 573 (13.0) |
Average | 6510 (74.4) | 3208 (73.9) | 3302(74.9) |
Easy-going | 1037 (11.9) | 505 (11.6) | 532 (12.1) |
Mother degree | |||
Elementary and below | 1244 (14.2) | 572 (13.2) | 672 (15.2) |
Junior high school | 4092 (46.8) | 1948 (44.9) | 2144 (48.6) |
High school / Vocational school | 1810 (20.7) | 935 (21.5) | 875 (19.9) |
College and above | 1600 (18.3) | 884 (20.4) | 716 (16.2) |
Relationship with mother | |||
Good | 5926 (67.8) | 2914 (67.2) | 3012 (68.3) |
Fair | 1949 (22.3) | 1014 (23.4) | 935 (21.2) |
Poor | 871 (10.0) | 411 (9.5) | 460 (10.4) |
Severity of mother | |||
Strict | 1771 (20.2) | 881 (20.3) | 890 (20.2) |
Average | 6370(72.8) | 3146(72.5) | 3224(73.2) |
Easy-going | 605 (6.9) | 312 (7.2) | 293 (6.6) |
free time lifestyle | |||
Staying at home | 3702 (42.3) | 1494 (34.4) | 2208 (50.1) |
Watching TV/video | 4089 (46.8) | 1643 (37.9) | 2446 (55.5) |
sports | 2074 (23.7) | 1345 (31.0) | 729 (16.5) |
Reading | 2586 (29.6) | 1098 (25.3) | 1488 (33.8) |
Internet surfing | 6264 (71.6) | 3267 (75.3) | 2997 (68.0) |
Total | 8746(100) | 4339(100) | 4407(100) |