Feeding measures in cocaine and opiate exposed and non-exposed infants
| Cocaine | Opiate | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Exposed | Non-exposed | p Value | Exposed | Non-exposed | P = | |||||||
| Measure | N | Mean (SE) | N | Mean (SE) | Unadj. | Adj. | N | Mean (SE) | N | Mean (SE) | Unadj. | Adj. |
| p Values in bold are significant. | ||||||||||||
| *Significant cocaine by opiate interaction (see text). | ||||||||||||
| Sucking pattern | ||||||||||||
| Sucking burst | 378 | 24.19 (2.22) | 603 | 24.73 (1.92) | 0.816 | 0.870 | 74 | 29.27 (3.25) | 907 | 19.64 (1.04) | 0.044 | 0.004 |
| Interburst interval | 364 | 6.64 (0.50) | 582 | 5.88 (0.40) | 0.714 | 0.233 | 68 | 6.38 (0.60) | 878 | 6.15 (0.18) | 0.990 | 0.718 |
| Proportion sucking | 378 | 0.46 (0.01) | 603 | 0.45 (0.01) | 0.932 | 0.427 | 74 | 0.45 (0.02) | 907 | 0.46 (0.01) | 0.266 | 0.734 |
| Bursts per minute | 378 | 1.94 (0.10) | 603 | 1.88 (0.09) | 0.997 | 0.594 | 74 | 1.62 (0.15) | 907 | 2.19 (0.05) | 0.001 | 0.001 |
| Infant behaviour | ||||||||||||
| Competence | 386 | 5.08 (0.11) | 620 | 5.19 (0.10) | 0.989 | 0.318 | 74 | 5.16 (0.17) | 932 | 5.11 (0.05) | 0.979 | 0.801 |
| Problems | 395 | 0.44 (0.05) | 633 | 0.49 (0.05) | 0.602 | 0.294 | 76 | 0.55 (0.08) | 952 | 0.38 (0.02) | 0.031 | 0.028 |
| Crying | 395 | 1.03 (0.20) | 633 | 0.68 (0.17) | 0.958 | 0.080 | 76 | 0.86 (0.29) | 952 | 0.85 (0.09) | 0.493 | 0.962 |
| Arousal* | 389 | 2.57 (0.07) | 621 | 2.41 (0.06) | 0.154 | 0.091 | 75 | 2.59 (0.09) | 935 | 2.39 (0.03) | 0.002 | 0.021 |
| Maternal behaviour | ||||||||||||
| Activity | 395 | 25.71 (1.29) | 633 | 26.61 (1.13) | 0.588 | 0.490 | 76 | 30.48 (1.91) | 952 | 21.83 (0.61) | 0.001 | 0.001 |
| Stimulation* | 395 | 5.05 (0.61) | 633 | 6.30 (0.49) | 0.258 | 0.109 | 76 | 6.11 (0.74) | 952 | 5.25 (0.23) | 0.003 | 0.252 |
| Engagement* | 388 | 5.77 (0.12) | 619 | 6.22 (0.10) | 0.003 | 0.004 | 76 | 5.98 (0.15) | 931 | 6.02 (0.05) | 0.932 | 0.821 |
| Flexibility* | 395 | 6.29 (0.09) | 633 | 6.50 (0.08) | 0.002 | 0.024 | 76 | 6.29 (0.14) | 952 | 6.50 (0.04) | 0.017 | 0.128 |
| Session | 395 | 637.75 (17.28) | 633 | 682.96 (15.11) | 0.001 | 0.010 | 76 | 650.72 (25.48) | 952 | 669.99 (8.11) | 0.714 | 0.460 |