Table 4.
Outcome | n | Baseline mean (95% CI) |
Ceiling n (%) | Retest % | n (miss) | Mean change from baseline (95% CI) | Adjusted mean difference (95% CI) a | Adjusted effect size d (95% CI) a | P |
---|---|---|---|---|---|---|---|---|---|
Year 3 | |||||||||
Mathematics | |||||||||
2020 | 670 | 39.68 (36.4, 42.97) | 0 (0) | 91 | 608 (62) | 17.20* (15.84, 18.56) | 1.65 (− 0.21, 3.52) | 0.06 (− 0.01, 0.13) | 0.082 |
2019 | 757 | 40.23 (37.02, 43.44) | 5 (0.6) | 92 | 693 (64) | 15.55* (14.27, 16.82) | Reference | Reference | |
Reading | |||||||||
2020 | 664 | 30.45 (26.94, 33.97) | 3 (0.4) | 91 | 605 (59) | 22.67* (21.1, 24.24) | 1.15 (− 1, 3.29) | 0.04 (− 0.03, 0.11) | 0.295 |
2019 | 765 | 29.26 (25.84, 32.68) | 0 (0) | 91 | 698 (67) | 21.52* (20.06, 22.98) | Reference | Reference |
CI Confidence interval
*Significance at p < 0.05
aBetween year difference of change score (2020 change minus 2019 change)