Table 1 Definition of data sets and analysis
Model | Na | Target children | Nb | Comment | Analysis | Table/Figure |
|---|---|---|---|---|---|---|
1 | 5388 | Randomly assigned child per family | 2694 | All children | CS | Table 3 |
1a | 2795 | Boys, randomly assigned | 1387 | Stratified by the sex of the target child | CS | Table 3 |
1b | 2593 | Girls, randomly assigned | 1307 | CS | Table 3 | |
1c | 2726 | Randomly assigned child with a SS sibling | 1363 | Stratified by the sex of the sibling | CS | Table 3 |
1d | 2662 | Randomly assigned child with an OS sibling | 1331 | CS | Table 3 | |
1e | 2572 | Randomly assigned child with a near-aged sibling | 1286 | Stratified by the age difference with the sibling (≤ 2.7 vs > 2.7 years) | CS | Table 3 |
1f | 2816 | Randomly assigned child with a much younger or older sibling | 1408 | CS | Table 3 | |
1 g | 1920 | Randomly assigned child, < 7 years | 959 | Stratified by age groups of the target children (< 7, 7–8, 9–10 and ≥ 11 years) | CS | Figure 1 |
1 h | 1201 | Randomly assigned child, 7–8 years | 585 | CS | Figure 1 | |
1i | 1095 | Randomly assigned child, 9–10 years | 570 | CS | Figure 1 | |
1j | 1172 | Randomly assigned child, ≥11 years | 580 | CS | Figure 1 | |
2 | 1050 | Randomly assigned child per family | 525 | All children | L | Table 4 |
2a | 548 | Boys, randomly assigned | 272 | Stratified by the sex of the target child | L | Table 4 |
2b | 502 | Girls, randomly assigned | 253 | L | Table 4 | |
2c | 530 | Randomly assigned child with a same-sex sibling | 265 | Stratified by the sex of the sibling | L | Table 4 |
2d | 520 | Randomly assigned child with an opposite-sex sibling | 260 | L | Table 4 | |
2e | 380 | Randomly assigned child with a near-aged sibling | 190 | Stratified by the age difference with the sibling (≤ 2.7 vs > 2.7 years) | L | Table 4 |
2f | 670 | Randomly assigned child with a much younger or older sibling | 335 | L | Table 4 |