Sociodemographic variables determine the academic performance of Adolescents
Table 2: One-Factor Analysis of Variance between age and school performance.
| Age | ≤ 12 Year olds | 13 year olds | 14 year olds | ≥ 15 year olds | F | p | %VE | ||||
| School performance | Average | SD | Average | SD | Average | SD | Average | SD | |||
| Study Environment | 34.27 | 7.67 | 32.95 | 8.85 | 33.53 | 6.58 | 28.37 | 10.59 | 7.787 | 0.000 | 5.84 |
| Study Planning | 30.42 | 8.02 | 28.78 | 7.12 | 28.60 | 7.72 | 24.70 | 9.38 | 7.188 | 0.000 | 5.42 |
| Study Method | 30.68 | 9.25 | 29.65 | 7.40 | 29.18 | 7.89 | 23.65 | 8.96 | 11.451 | 0.000 | 0.83 |
| Reading Skills | 30.53 | 9.00 | 29.36 | 9.67 | 28.52 | 7.61 | 23.78 | 8.99 | 8.771 | 0.000 | 6.54 |
| Motivation to study | 31.27 | 9.06 | 29.75 | 9.27 | 28.94 | 7.84 | 24.09 | 8.74 | 9.854 | 0.000 | 7.28 |
| Overall School Performance | 157.20 | 40.16 | 150.50 | 35.68 | 148.79 | 33.86 | 124.61 | 44.07 | 10.996 | 0.000 | 8.06 |