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Table 1 Group demographics and data availability before imputation

From: Differential cognitive and behavioral development from 6 to 24 months in autism and fragile X syndrome

 

Group

FXS

FH-ASD

FH-nonASD

Control

Age, Mean (SD)

6-month timepoint

6.89 (1.02)

6.53 (0.65)

6.60 (0.68)

6.70 (0.73)

12-month timepoint

12.5 (0.75)

12.7 (0.73)

12.6 (0.58)

12.7 (0.73)

24-month timepoint

24.4 (0.82)

24.9 (1.47)

24.8 (1.03)

24.7 (1.06)

Sex, n (%)

Female

6 (19%)

14 (18%)

124 (44%)

63 (41%)

Male

25 (81%)

63 (82%)

156 (56%)

91 (59%)

Race, n (%)

White

24 (77%)

65 (84%)

241 (86%)

126 (82%)

African American, Black

0 (0%)

2 (3%)

5 (2%)

9 (6%)

Asian

0 (0%)

0 (0%)

4 (1%)

2 (1%)

American Indian, Alaskan Native

0 (0%)

0 (0%)

0 (0%)

0 (0%)

More than one race

4 (13%)

9 (12%)

27 (10%)

15 (10%)

Not available

3 (10%)

1 (1%)

3 (1%)

2 (1%)

Ethnicity, n (%)

Hispanic

1 (3%)

4 (5%)

21 (8%)

9 (6%)

Non-Hispanic

26 (84%)

71 (92%)

255 (91%)

143 (93%)

Not available

4 (13%)

2 (3%)

4 (1%)

2 (1%)

MSEL Availability, n (%)

6-month timepoint

20 (65%)

61 (79%)

230 (82%)

142 (92%)

12-month timepoint

24 (77%)

68 (88%)

263 (94%)

139 (90%)

24-month timepoint

22 (71%)

75 (97%)

278 (99%)

153 (99%)