Table 2.
Regression analysis of factors influencing adolescents’ academic achievement.
| Variables (Compare) | Model I | Model 2 | Model 3 | Model 4 |
|---|---|---|---|---|
| Han (Other) | −2.602*** (−3.68) | −2.654*** (−3.76) | −2.479*** (−3.49) | −4.320*** (−6.53) |
| Elementary school (none) | 9.306** (2.67) | 9.078** (2.61) | 8.736* (2.52) | 6.517* (2.02) |
| Junior high school (none) | 11.200** (3.25) | 10.940** (3.18) | 10.440** (3.04) | 7.066* (2.21) |
| High School (none) | 13.280*** (3.84) | 12.950*** (3.75) | 12.440*** (3.61) | 8.047* (2.51) |
| University (none) | 18.670*** (5.37) | 18.250*** (5.25) | 17.610*** (5.08) | 11.280*** (3.49) |
| Border City (Main City) | 2.765*** (4.32) | 2.689*** (4.21) | 2.815*** (4.38) | 3.689*** (6.17) |
| Urban and Rural (Main City) | 2.209*** (3.47) | 2.214*** (3.49) | 2.206*** (3.45) | 4.513*** (7.57) |
| Township (main city) | 3.240*** (5.52) | 3.237*** (5.52) | 3.215*** (5.45) | 6.031*** (10.93) |
| Rural (main city) | 3.251*** (5.40) | 3.388*** (5.64) | 3.599*** (5.94) | 6.878*** (12.13) |
| Ninth Grade (VII) | 6.171*** (9.31) | 5.997*** (9.06) | 5.866*** (8.80) | 1.828** (2.93) |
| Agricultural household (non-farm) | 1.976*** (4.37) | 1.929*** (4.28) | 1.891*** (4.16) | 1.822*** (4.30) |
| Age | −3.390*** (−12.41) | −3.338*** (−12.24) | −3.477*** (−12.65) | −1.405*** (−5.43) |
| Moderate (difficult) | 0.677 (1.39) | 0.588 (1.21) | 0.545 (1.11) | −0.594 (−1.30) |
| Affluent (difficult) | −1.528 (−1.71) | −1.722 (−1.93) | −1.750 (−1.95) | −3.670*** (−4.38) |
| Non Only child (Yes) | 0.016 (0.04) | 0.035 (0.08) | −0.069 (−0.16) | 1.458*** (3.55) |
| Female (Male) | 12.570*** (33.14) | 12.490*** (32.60) | 12.30*** (31.84) | 12.340*** (34.32) |
| Exercise for 1 h (no participation) | 2.901*** (6.24) | 2.848*** (6.08) | 1.495*** (3.43) | |
| Exercise for 2 h (no) | 3.141*** (5.28) | 3.067*** (5.12) | 1.672** (2.99) | |
| Exercise for 3 h (no) | −1.879** (−2.86) | −2.032** (−3.07) | −1.791** (−2.91) | |
| Body shape (non-standard) | 4.317*** (11.00) | 3.013*** (8.23) | ||
| Cognitive ability | 11.650*** (52.75) | |||
| _cons | 236.3*** (44.56) | 235.2*** (44.41) | 235.1*** (44.27) | 212.4*** (42.81) |
| N | 18,337 | 18,337 | 18,009 | 18,009 |
Elementary school etc. is the education level of parents; t statistics in parentheses *p < 0.05, **p < 0.01, ***p < 0.001. Standard errors are indicated in parentheses.