Table 3 Logistic regressions analyses examining the combined effect of healthy lifestyle factors on academic performance (n = 262)

From: Independent and combined influence of healthy lifestyle factors on academic performance in adolescents: DADOS Study

  Academic grades    Academic abilities   
  Math Language GPA Verbal Numeric Reasoning
Healthy lifestyle index
≤1 1 (ref.) 1 (ref.) 1 (ref.) 1 (ref.) 1 (ref.) 1 (ref.)
2 1.70 (0.68–4.26) 1.96 (0.78–4.91) 2.68 (1.03–6.97) 0.91 (0.38–2.18) 1.21 (0.50–2.95) 1.27 (0.53–3.09)
3 3.02 (1.22–7.48) 3.51 (1.41–8.77) 4.22 (1.63–10.89) 0.85 (0.36–2.01) 2.26 (0.93–5.46) 2.85 (1.17–6.92)
4 3.03 (1.14–8.08) 4.14 (1.54–11.12) 5.47 (1.96–15.26) 1.21 (0.47–3.09) 3.05 (1.15–8.10) 2.19 (0.84–5.67)
≥5 9.51 (2.78–35.53) 6.76 (2.11–21.64) 9.36 (2.83–31.03) 1.40 (0.48–4.15) 2.19 (0.73–6.55) 1.28 (0.43–3.76)
  1. Odds ratio (95% Confidence Intervals) above represents increased odds of achieving high AP (≥50th of the median). Analyses were adjusted for sex, pubertal stage, and socioeconomic status. Statistically significant values are in bold. ≤1 (n = 31), 2 (n = 69), 3 (n = 85), 4 (n = 49), and ≥5 (n = 28)
  2. GPA grade point average