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. Author manuscript; available in PMC: 2013 May 1.
Published in final edited form as: Neurotoxicol Teratol. 2012 Mar 3;34(3):303–310. doi: 10.1016/j.ntt.2012.02.001

Table 1.

Maternal Demographics, IQ, Drug, and Psychological Status

Non-MDMA (n=68)
n (%)
MDMA Exposed (n=28)
n (%)
χ2/t p
White 57 (84) 23 (85) 0.3 0.87
Registered Disabled (Mother) 5 (8) 0 (0) 0.19 0.32
Married/with partner 57 (84) 22 (79) 0.38 0.54

Family Income 1.59 0.81
<10K British Pounds 13 (19) 4 (14)
10–20K British Pounds 16 (24) 6 (21)
20–30K British Pounds 13 (19) 8 (29)
30–40K British Pounds 11 (16) 3 (11)
>40K British Pounds 15 (22) 7 (25)
M (SD) M (SD)

Maternal age at birth 30.3 (6.4) 28.4 (6.2) 1.33 0.19
Maternal educationa 14.9 (2.9) 15.3 (2.7) −0.57 0.57
WASIb Block Design 56.0 (9.5) 57.0 (8.1) −0.43 0.67
WASIb Similarities 49.4 (8.9) 51.4 (8.5) −0.88 0.38
Parity 1.88 (1.11) 1.21 (0.42) 4.27 .0001
General Severity Index (GSI) 0.51 (0.47) 0.71 (0.81) −0.61 0.54
 GSI 84th %tile, n (%) 13 (23.6) 7 (31.8) 0.55 0.46
 GSI 98th %tile, n (%) 6 (9.1) 4 (18.2) 1.26 0.27
DASTc score 4.6 (4.4) 7.7 (4.1) −3.09 0.03
DASTc score > 16, n (%) 2 (2.9) 1 (3.6) .026 .99
a

The compulsory point of entering school in the UK is at age 4–5 (reception level) and the age of leaving (with general certificates of secondary education, GCSEs) is at age 16 (11 years of education). However many continue into “sixth-form college” and do advanced level qualifications (A’Levels) and leave at age 18 (13 years of education). University “undergraduate” attendance then typically continues from age 19 to 22 (14–16 years of education).

b

Wechsler Abbreviated Scale of Intelligence

c

Drug Abuse Screening Test (DAST Score)