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 |  |