Table 2.
Distribution of Selected Characteristics of Subjects and Parents by PCE Exposure Status
| Characteristic | Prenatal and Early Childhood Exposure (N = 363) |
Unexposed (N = 255) |
||
|---|---|---|---|---|
| Year of birth | n | % | n | % |
| 1969–1974 | 77 | 21.2% | 66 | 25.9% |
| 1975–1980 | 191 | 52.6% | 134 | 52.5% |
| 1981–1983 | 95 | 26.2% | 55 | 21.6% |
| Current age (mean, sd) | 40 (4) | 41 (4) | ||
| Sex at birth | ||||
| Male | 134 | 36.9% | 79 | 31.0% |
| Female | 229 | 63.1% | 176 | 69.0% |
| % White race | 359 | 98.9% | 253 | 99.2% |
| Current educational level | ||||
| High school graduate or less | 18 | 5.0% | 16 | 6.3% |
| Some college | 61 | 16.9% | 49 | 19.3% |
| Four year college grad or higher | 283 | 78.2% | 189 | 74.4% |
| Missing | 1 | 1 | ||
| Currently employed | ||||
| Yes | 325 | 90.0% | 226 | 90.4% |
| No | 36 | 10.0% | 24 | 9.6% |
| Missing | 2 | 5 | ||
| Current marital status | ||||
| Married or cohabitating | 313 | 86.2% | 201 | 78.8% |
| Separated, divorced, widowed, | 18 | 5.0% | 24 | 9.4% |
| Never married | 32 | 8.8% | 30 | 11.8% |
| Ever had solvent-exposed job | ||||
| Yes | 54 | 15.3% | 34 | 13.7% |
| No | 299 | 84.7% | 215 | 86.3% |
| Missing | 10 | 6 | ||
| Ever had solvent-exposed hobby | ||||
| Yes | 306 | 85.0% | 219 | 86.9% |
| No | 54 | 15.0% | 33 | 13.1% |
| Missing | 3 | 3 | ||
| History of learning problem | ||||
| Yes | 64 | 17.9% | 46 | 18.2% |
| No | 293 | 82.1% | 207 | 81.8% |
| Missing | 6 | 2 | ||
| History of repeating a grade | ||||
| Yes | 33 | 9.2% | 27 | 10.6% |
| No | 325 | 90.8% | 227 | 89.4% |
| Missing | 5 | 1 | ||
| History of military service | ||||
| Yes | 21 | 5.8% | 17 | 6.7% |
| No | 342 | 94.2% | 238 | 93.3% |
| History of mental disorder* | ||||
| Yes | 152 | 42.3% | 91 | 35.8% |
| No | 207 | 57.7% | 163 | 64.2% |
| Missing | 4 | 1 | ||
|
Mother’s age at subject’s birth (mean sd) |
27 (4) | 28 (4) | ||
|
Father’s age at subject’s birth (mean, sd) |
30 (6) | 30 (5) | ||
| Mother’s educational level at subject’s birth | ||||
| High school graduate or less | 124 | 34.2% | 71 | 28.0% |
| Some college | 101 | 27.8% | 91 | 35.8% |
| > = Four year college graduate | 138 | 38.0% | 92 | 36.2% |
| Missing | 0 | 1 | ||
| Father’s occupation at subject’s birth | ||||
| White collar | 208 | 57.8% | 125 | 49.4% |
| Blue collar | 107 | 29.7% | 76 | 30.0% |
| Other | 45 | 12.5% | 52 | 20.6% |
| Missing | 3 | 2 | ||
| Mother received prenatal care during subject’s gestation | ||||
| Yes | 352 | 99.7% | 243 | 100.0% |
| No | 1 | 0.3% | 0 | 0.0% |
| Missing | 10 | 12 | ||
| Mother smoked cigarettes during subject’s gestation | ||||
| Yes | 72 | 23.4% | 46 | 21.9% |
| No | 235 | 76.5% | 164 | 78.1% |
| Missing | 56 | 45 | ||
| Mother consumed alcohol during subject’s gestation | ||||
| Yes | 150 | 49.0% | 91 | 43.3% |
| No | 156 | 51.0% | 119 | 56.7% |
| Missing | 57 | 45 | ||
| Mother used cannabis during subject’s gestation | ||||
| Yes | 10 | 3.2% | 9 | 4.3% |
| No | 298 | 96.8% | 198 | 95.7% |
| Missing | 55 | 48 | ||
| Mother had medical and obstetrical complications during subject’s gestation | ||||
| Yes | 59 | 19.3% | 52 | 25.1% |
| No | 246 | 80.7% | 155 | 74.9% |
| Missing | 58 | 48 | ||
| Mother had occupational exposure to solvents | ||||
| Yes | 45 | 14.8 | 29 | 14.1 |
| No | 259 | 85.2 | 177 | 85.9 |
| Missing | 59 | 49 | ||
|
Birth weight (mean, sd) Missing |
3428 (504) 4 |
3406 (556) 27 |
||
|
Gestational age (mean, sd) Missing |
40 (3) 13 |
40 (2) 13 |
||
| Multiple pregnancy | 8 | 2.2% | 10 | 3.9% |
| Subject breast fed | ||||
| Yes | 198 | 64.9% | 142 | 68.6% |
| No | 107 | 35.1% | 65 | 31.4% |
| Missing | 58 | 48 | ||
| Number of older siblings | ||||
| 0 | 168 | 46.3% | 121 | 47.8% |
| 1 | 128 | 35.3% | 79 | 31.2% |
| 2+ | 67 | 18.5% | 53 | 20.9% |
| Missing | 0 | 2 | ||
| Immediate family member was a problem drinker | ||||
| Yes | 174 | 49.2% | 103 | 41.9% |
| No | 180 | 50.8% | 143 | 58.1% |
| Missing | 9 | 9 | ||
| Immediate family member had problems with drugs | ||||
| Yes | 82 | 23.9% | 54 | 22.3% |
| No | 261 | 76.1% | 188 | 77.7% |
| Missing | 20 | 13 | ||
*Includes anxiety, depression, post-traumatic stress disorder, bipolar disorder, eating disorder and schizophrenia