Table 2 Frequency of responses to the latent variables language ability and attention problems
|  | PLBW Frequencies % (1/2/3)± | Control Group Frequencies % (1/2/3)± |
|---|---|---|
Language 18 months: item 1 | 67.2/23.8/9.0 | 84.5/13.3/2.2 |
item 2 | 45.8/7.4/46.8 | 67.9/7.3/24.8 |
item 3 | 47.8/32.8/19.4 | 65.9/25.8/8.3 |
Attention 18 months: item 1 | 62.5/33.5/4.0 | 64.4/31.9/3.7 |
item 2 | 14.0/60.0/26.0 | 13.1/63.4/23.5 |
item 3 | 67.2/28.3/4.5 | 67.9/28.8/3.3 |
Language 36 months: item1 | 98.5/1.2/0.3 | 99.0/0.9/0.1 |
item 2 | 98.2/1.0/0.8 | 98.7/1.1/0.2 |
item 3 | 97.0/1.7/1.3 | 97.9/1.4/0.7 |
item 4 | 91.5/8.3/0.2 | 94.8/4.9/0.3 |
item 5 | 91.2/7.6/1.2 | 94.3/5.0/0.7 |
item 6 | 48.8/36.8/14.4 | 61.1/30.2/8.7 |
Attention 36 months: item 1 | 61.7/34.3/4.0 | 66.4/31.2/2.4 |
item 2 | 29.3/55.7/15.0 | 30.9/55.6/13.5 |
item 3 | 18.6/67.5/13.9 | 15.7/69.0/15.3 |
item 4 | 63.3/34.2/2.5 | 66.9/31.4/1.7 |
item 5 | 56.8/40.0/3.2 | 60.7/36.8/2.5 |