TABLE 1

Characteristics of Children With a 100% Complete CSHQ (n = 1987)

ASD Cases (n = 522)DD w/ASD (n = 228)DD w/o ASD (n = 534)POP (n = 703)
Child sex, n (%)
 Male436 (83.5)175 (76.8)340 (63.7)383 (54.5)
Maternal race or ethnicity, n (%)
 Non-Hispanic white290 (55.6)111 (48.7)352 (65.9)509 (72.4)
 African American100 (19.2)65 (28.5)67 (12.5)74 (10.5)
 Other124 (23.8)52 (22.8)107 (20)111 (15.8)
Maternal education, n (%)
 Some college or less246 (47.1)143 (62.7)187 (35)218 (31)
 Bachelor’s156 (29.9)55 (24.1)184 (34.5)270 (38.4)
 Graduate school114 (21.8)30 (13.2)159 (29.8)210 (29.9)
Family income, n (%)
 First quartile115 (22)85 (37.3)69 (12.9)85 (12.1)
 Second quartile135 (25.9)62 (27.2)138 (25.8)150 (21.3)
 Third quartile124 (23.8)35 (15.4)162 (30.3)188 (26.7)
 Fourth quartile130 (24.9)31 (13.6)143 (26.8)261 (37.1)
Child genetic and/or neurologic diagnosisa, n (%)
 Yes20 (3.8)9 (3.9)35 (6.6)4 (0.6)
Child cognitive (MSEL) composite standard score, n (%)
 ≤70317 (60.7)73 (32)94 (17.6)21 (3)
Child CBCL, n (%)
 Externalizing t score ≥65181 (35.2)62 (27.2)30 (5.7)23 (3.4)
 Internalizing t score ≥65241 (46.9)74 (32.5)40 (7.6)36 (5.3)
Child melatonin use, n (%)
 Yes32 (6.1)13 (5.7)2 (0.4)6 (0.9)
Child age in mo, mean (SD)55.6 (6.9)56.4 (7.5)55.9 (7.4)55.5 (7.7)
Child cognitive (MSEL) composite standard score, mean (SD)67.3 (19.9)79.6 (19.1)90.8 (20.6)103.2 (14.6)
  • a Down syndrome, fragile X syndrome, Rett syndrome, tuberous sclerosis, cerebral palsy, and neurofibromatosis.