Table 5.
Random-Effects Meta-Regressions of the Glycemic Index Breakfast Intervention Effect Size by the Characteristics of the Participants and Characteristics of Each Intervention.
| Immediate Memory | Delayed Memory | Attention | |||||||
|---|---|---|---|---|---|---|---|---|---|
| n | ß (95% CI) | p | n | ß (95% CI) | p | n | ß (95% CI) | p | |
| Characteristics of the participants | |||||||||
| Age (years) | 13 | −0.04 (−0.15, 0.07) | 0.439 | 7 | −0.12 (−0.26, 0.01) | 0.068 | 9 | −0.05 (−0.27, 0.17) | 0.620 |
| BMI (kg/m2) | 12 | 0.04 (−0.15, 0.24) | 0.607 | 6 | −0.16 (−0.42, 0.10) | 0.170 | 9 | 0.08 (−0.18, 0.34) | 0.485 |
| Characteristics of the Low-GI breakfast intervention | |||||||||
| GI | 9 | −0.02 (−0.06, 0.02) | 0.242 | 7 | −0.03 (−0.09, 0.03) | 0.211 | 8 | 0.02 (−0.06, 0.09) | 0.572 |
| Glycemic load | 6 | −0.02 (−0.05, 0.01) | 0.123 | 5 | NA | NA | 6 | 0.01 (−0.04, 0.06) | 0.587 |
| Calories (Kcal) | 13 | −0.00 (−0.00, 0.00) | 0.719 | 7 | −0.00 (−0.00, 0.00) | 0.268 | 9 | −0.00 (−0.00, 0.00) | 0.665 |
| Characteristics of the High-GI breakfast intervention | |||||||||
| GI | 9 | 0.00 (−0.00, 0.01) | 0.102 | 7 | 0.00 (−0.00, 0.01) | 0.159 | 8 | −0.02 (−0.06, 0.03) | 0.412 |
| Glycemic load | 6 | 0.00 (−0.04, 0.05) | 0.057 | 5 | NA | NA | 6 | −0.00 (−0.05, 0.04) | 0.845 |
| Calories (Kcal) | 13 | −0.00 (−0.00, 0.00) | 0.817 | 7 | −0.00 (−0.00, 0.00) | 0.283 | 9 | −0.00 (−0.00, 0.00) | 0.630 |
GI: glycemic index; CI: confidence interval.