Table 3 Crude and adjusted mean Cito-test scores for different methylphenidate treatment characteristics
From: Methylphenidate use and school performance among primary school children: a descriptive study
1. MPH treatment | School performance | |||
Crude M ± SD | Adjusteda M ± SE | n | p value | |
Current users | 532.80 ± 9.44 | 532.58 ± .48 | 377 | <0.001*** |
Never users | 534.71 ± 9.47 | 534.72 ± .11 | 7295 | |
2. Past versus current users | School performance | |||
Crude M ± SD | Adjusteda M ± SE | n | p value | |
Current users (n = 377) | 532.80 ± 9.44 | 532.58 ± .48 | 377 | .470 |
Past users (n = 64) | 531.52 ± 10.70 | 531.67 ± 1.15 | 64 | |
3. Dosage of MPH treatment | School performance | |||
Crude M ± SD | Adjusteda M ± SE | n | p value | |
≤ 0.999 NDDD/Day | 533.17 ± 9.60 | 533.16 ± .66 | 202 | .498 |
> 0.999 NDDD/Day | 532.44 ± 9.28 | 532.45 ± .81 | 132 | |
4. Start of MPH treatment | School performance | |||
Crude M ± SD | Adjusteda M ± SE | n | p value | |
Late start ≤12 months | 536.37 ± 8.62 | 536.94 ± 1.51 | 38 | .004** |
Early start >12 months | 532.40 ± 9.46 | 532.33 ± .50 | 339 | |
5. Concurrent treatment | School performance | |||
Crude M ± SD | Adjusteda M ± SE | n | p value | |
Only MPH | 532.72 ± 9.45 | 532.70 ± .497 | 347 | .937 |
MPH + AP | 532.47 ± 9.71 | 532.87 ± 2.13 | 19 | |
Only asthma medication | 537.10 ± 8.52 | 536.90 ± .865 | 100 | .845 |
MPH + asthma medication | 535.64 ± 8.94 | 537.49 ± 2.86 | 11 | |