Table 1.
Characteristics of Case and Control Subjects and Birth Weight in Ounces
| Case Subjects (N = 26) | Comparison Subjects (N = 25) | |||||
| Birth Weight | Birth Weight | |||||
| Number (%) | Mean (SD) | P value | Number (%) | Mean (SD) | P value | |
| Maternal age | .131 | .170 | ||||
| ≤29 | 12 (46) | 127.5 (19.5) | 13 (52) | 108.1 (16.2) | ||
| >29 | 14 (54) | 114.8 (21.6) | 12 (48) | 118.8 (21.4) | ||
| Maternal race | .655 | .456 | ||||
| White | 14 (54) | 123.2 (15.8) | 14 (56) | 117.4 (19.6) | ||
| Black | 10 (38) | 115.8 (28.5) | 8 (32) | 106.6 (19.0) | ||
| Other | 2 (8) | 127.0 (18.4) | 3 (12) | 111.0 (19.0) | ||
| Maternal education | .948 | .440 | ||||
| ≤High school grad/trade school | 16 (67) | 119.9 (19.3) | 14 (56) | 110.5 (18.1) | ||
| Some college/college grad/RN | 8 (33) | 119.4 (21.0) | 11 (44) | 116.6 (20.9) | ||
| Maternal smoking | .853 | .152 | ||||
| Exposeda | 11 | 119.7 (20.0) | 10 | 105.7 (16.4) | ||
| Unexposed | 10 | 121.4 (20.9) | 14 | 117.2 (20.2) | ||
| Offspring sex | .966 | .206 | ||||
| Male | 18 (69) | 120.8 (23.5) | 17 (68) | 116.6 (18.4) | ||
| Female | 8 (31) | 120.4 (16.6) | 8 (32) | 106.0 (20.2) | ||
| Antipsychotic use among casesb | .29 | |||||
| Used | 8 (31) | 127.4 (13.9) | ||||
| Never used | 18 (69) | 117.7 (23.5) | ||||
| Stimulant and anticholinergic use among casesc | .24 | |||||
| Used | 3 (12) | 122.4 (19.8) | ||||
| Never used | 23 (88) | 107.0 (32.2) | ||||
a
Exposure to maternal smoking is defined as smoking at the time of pregnancy or until the pregnancy; no exposure to maternal smoking is defined as never smoking or not currently smoking.
b
Antipsychotic medications case subjects reported using at the time of testing: Clozaril, Haldol, Navane, Risperdal, Seroquel, Stelazine, Thorazine, Trilafon, and Zyprexa.
c
Stimulant and anticholinergic medications case subjects reported using at the time of testing: benztropine and methylphenidate.