Table 1.
Treatment group comparison of baseline and post-randomization demographic, social, and clinical characteristics 1.
| DHA | Placebo | p Value | |
|---|---|---|---|
| Characteristics at Study Entry | n = 259 | n = 284 | |
| Mother primiparous, n (%) | 142 (54.8) | 158 (55.6) | |
| Mother completed secondary education, n (%) | 171 (66.0) | 192 (67.6) | |
| Mother completed further education, n (%) 2 | 175 (67.6) | 203 (71.5) | |
| Non-smoker before and during early pregnancy, n (%) | 190 (73.4) | 187 (65.8) | |
| Characteristics at 7 Years | n = 259 | n = 284 | |
| Age at assessment, mean (SD) days | 2648 (110) | 2652 (134) | 0.73 |
| Living with both natural parents, n/N (%) | 188/256 (73.4) | 191/283 (67.5) | 0.36 |
| Primary language English at child’s home, n/N (%) | 246/256 (96.1) | 271/283 (95.8) | 0.85 |
1 Data are presented as mean (SD) with p-value based on t-tests, or n (%) with p-values from a chi-square test. Analyses are based on the raw data and account for the sampling design and weights. No statistical tests were performed for baseline characteristics. 2 Degree, diploma, certificate, trade.