Table 1 Comparison of variable characteristics between the training and validation datasets
Variables | Training dataset (N = 2612) | Validation dataset (N = 1119) | P |
|---|---|---|---|
Age | 14.05 ± 1.67 | 14.08 ± 1.69 | 0.636 |
Gender | |||
Female | 1337 (51.2%) | 555 (49.6%) | 0.387 |
Male | 1274 (48.8%) | 564 (50.4%) | |
Residence | |||
Urban | 1024(51.8%) | 407(49.3%) | 0.258 |
Rural | 952 (48.2%) | 417 (50.7%) | |
Depression | |||
Yes | 1976 (75.7%) | 824 (73.6%) | 0.200 |
No | 635 (24.3%) | 295 (26.4%) | |
Separation_age | 3.18 ± 1.28 | 3.17 ± 1.3 | 0.823 |
Separation_duration | 2.75 ± 1.4 | 2.75 ± 1.4 | 0.929 |
Family_satisfaction | 3.59 ± 0.98 | 3.62 ± 1 | 0.321 |
Parental_education_level | 1.19 ± 0.54 | 1.2 ± 0.53 | 0.660 |
Economic_status | 1.93 ± 0.58 | 1.94 ± 0.58 | 0.587 |
Workingday_sleep | 2.74 ± 0.74 | 2.74 ± 0.74 | 0.966 |
Weekend_sleep | 3.37 ± 0.88 | 3.36 ± 0.89 | 0.761 |
Weekday_phone_time | 1.98 ± 1.22 | 1.97 ± 1.24 | 0.671 |
Weekend_phone_time | 3.91 ± 1.59 | 3.92 ± 1.59 | 0.887 |
Exercise_frequency | 3.1 ± 1.11 | 3.05 ± 1.16 | 0.257 |
Drug_dependent | |||
Yes | 2512 (96.2%) | 1082 (96.7%) | 0.529 |
No | 99 (3.8%) | 37 (3.3%) | |
Chronic_disease | |||
Yes | 2044 (78.3%) | 875 (78.2%) | 0.986 |
No | 567 (21.7%) | 244 (21.8%) |