| Total (N = 453) | Fifth grade (N = 58) | Sixth grade (N = 99) | Seventh grade (N = 66) | Eighth grade (N = 103) | Ninth grade (N = 127) |
---|---|---|---|---|---|---|
Age | 12.58 | 10.36 | 11.42 | 12.24 | 13.17 | 14.20 |
Gender | Â | Â | Â | Â | Â | Â |
 Boy | 231 (51.0%) | 31 (53.4%) | 67 (67.7%) | 30 (45.5%) | 45 (43.7%) | 58 (45.7%) |
 Girl | 222 (49.0%) | 27 (46.6%) | 32 (32.3%) | 36 (54.5%) | 58 (56.3%) | 69 (54.3%) |
Only Child | Â | Â | Â | Â | Â | Â |
 No | 224 (49.4%) | 26 (44.8%) | 44 (44.4%) | 33 (50.0%) | 49 (47.6%) | 72 (56.7%) |
 Yes | 229 (50.6%) | 32 (55.2%) | 55 (55.6%) | 33 (50.0%) | 54 (52.4%) | 55 (43.3%) |
Left-behind Types | Â | Â | Â | Â | Â | Â |
 Father absence | 257 (56.7%) | 29 (50.0%) | 61 (61.6%) | 42 (63.6%) | 59 (57.3%) | 66 (52.0%) |
 Mother absence | 77 (17.0%) | 13 (22.4%) | 17 (17.2%) | 11 (16.7%) | 13 (12.6%) | 23 (18.1%) |
 Both absence | 119 (26.3%) | 16 (27.6%) | 21 (21.2%) | 13 (19.7%) | 31 (30.1%) | 38 (29.9%) |
Duration of Parental Absence | Â | Â | Â | Â | Â | Â |
 Less than half a year | 119 (26.3%) | 9 (7.6%) | 32 (26.9%) | 16 (13.4%) | 21 (17.6%) | 41 (34.5%) |
 Half a year to one year | 121 (26.7%) | 9 (7.4%) | 29 (24%) | 15 (12.4%) | 40 (33.1%) | 28 (23.1%) |
 One to two years | 63 (13.9%) | 11 (17.5%) | 12 (19.0%) | 13 (20.6%) | 9 (14.3%) | 18 (28.6%) |
 More than two years | 150 (33.1%) | 29 (19.3%) | 26 (17.3%) | 22 (14.7%) | 33 (22%) | 40 (26.7%) |
Frequency of Returning Home | Â | Â | Â | Â | Â | Â |
 Once a month | 4 (0.9%) | 2 (50.0%) | 2 (50.0%) | 0 (0.00%) | 0 (0.00%) | 0 (0.00%) |
 Once every half year | 339 (74.8%) | 36 (10.6%) | 77 (22.7%) | 48 (14.2%) | 81 (23.9%) | 97 (28.6%) |
 Once a year or longer | 110 (24.3%) | 20 (18.2%) | 20 (18.2%) | 18 (16.4%) | 22 (20.0%) | 30 (27.3%) |
Caregiver | Â | Â | Â | Â | Â | Â |
 Father | 28 (6.2%) | 4 (14.3%) | 6 (21.4%) | 3 (10.7%) | 5 (17.9%) | 10 (35.7%) |
 Mother | 208 (45.9%) | 24 (11.5%) | 44 (21.2%) | 36 (17.3%) | 46 (22.1%) | 58 (27.9%) |
 Grandparents | 200 (44.2%) | 27 (13.5%) | 45 (22.5%) | 23 (11.5%) | 51 (25.5%) | 54 (27.0%) |
 Elder brothers and sisters | 7 (1.5%) | 1 (14.3%) | 2 (28.6%) | 2 (28.6%) | 0 (0.0%) | 2 (28.6%) |
 Yourself | 10 (2.2%) | 2 (20.0%) | 2 (20.0%) | 2 (20.0%) | 1 (10.0%) | 3 (30.0%) |