Table 3.
Descriptive statistics of SRS full and short scores
| N1 | SRS full scores – Raw score | SRS full scores –Scaled score2 | SRS short score –Scaled score2 | ||||
|---|---|---|---|---|---|---|---|
| Mean (SD) | Median (1st, 3rd Quartile) | Mean (SD) | Median (1st, 3rd Quartile) | Mean (SD) | Median (1st, 3rd Quartile) | ||
| Total analytic sample | 3,031 | 32.5 (24.4) | 26 (16, 40.5) | 16.7 (12.5) | 13 (8,21) | 14.2 (14.8) | 10 (4, 19) |
| Cohort source population | |||||||
| General | 2,097 | 29.5 (21.3) | 25 (16, 36) | 15.1 (10.9) | 13 (8,18) | 12.6 (13.1) | 8 (4, 17) |
| ASD Familial Enriched Risk | 257 | 37.3 (26.7) | 32 (18, 46) | 19.1 (13.7) | 16 (9, 24) | 16.4 (16.1) | 10 (6, 19) |
| ASD Non-Familial Enriched Risk | 677 | 40.1 (29.9) | 30 (16, 58) | 20.5 (15.3) | 15 (8, 30) | 18.6 (17.8) | 13 (4, 27) |
| ASD diagnosis3 | |||||||
| Diagnosed with ASD | 190 | 74.7 (34.6) | 78 (44.2, 97.8) | 38.3 (17.8) | 40 (23, 50) | 41.2 (21.8) | 42 (23, 56) |
| Not diagnosed with ASD | 2,233 | 30.4 (22.2) | 25.5 (18.0, 34.2) | 15.6 (11.3) | 13 (8, 20) | 13.0 (13.0) | 8 (4, 17) |
| Child sex | |||||||
| Boys | 1,563 | 35.4 (26.0) | 28 (18, 45) | 19 (14.3) | 15 (9, 25) | 17.1 (17.0) | 13 (6, 23) |
| Girls | 1,468 | 29.4 (22.1) | 24 (14, 37) | 15.7 (12.2) | 12 (7, 20) | 13.1 (14.2) | 8 (4, 17) |
| SRS form type | |||||||
| Preschool | 1,302 | 29.4 (18.2) | 26 (17, 36) | 15.1 (9.3) | 13 (9, 18) | 11.9 (11.0) | 8 (4, 15) |
| School-Age | 1,729 | 34.8 (27.9) | 26 (14, 46) | 17.9 (14.3) | 13 (7, 24) | 16 (16.8) | 10 (4, 23) |
| Among general population | |||||||
| Preschool | 980 | 27.4 (15.1) | 25 (17, 34) | 14.1 (7.7) | 13 (9, 17) | 10.9 (9.3) | 8 (4, 15) |
| School-age | 1,025 | 31.6 (26.1) | 24 (14, 41) | 16.3 (13.4) | 12 (7, 21) | 14.4 (16.0) | 8 (4, 19) |
| Maternal race/ethnicity4 | |||||||
| Hispanic | 256 | 41.9 (28.0) | 35 (22, 52.2) | 21.5 (14.3) | 18 (11, 27) | 19 (16.5) | 15 (8, 25) |
| Non-Hispanic White | 2,212 | 29.9 (22.8) | 24 (15, 37) | 15.4 (11.7) | 12 (8, 19) | 13 (14.1) | 8 (4, 17) |
| Non-Hispanic Black | 280 | 44.2 (28.1) | 37 (23, 61) | 22.6 (14.4) | 19 (12, 31) | 19.7 (16.7) | 15 (6, 27) |
| Non-Hispanic Other | 180 | 34.9 (25.7) | 28 (18, 43) | 17.9 (13.1) | 14 (9, 22) | 15.7 (15.9) | 10 (5.5, 21) |
| Maternal education4 | |||||||
| ≤ High school graduate | 520 | 44.5 (28.1) | 37 (23, 61) | 22.8 (14.4) | 19 (12, 31) | 20 (17) | 15 (7.5, 27) |
| Some college | 585 | 38.9 (29.8) | 30 (18, 49) | 19.9 (15.3) | 15 (9, 25) | 17.7 (18.2) | 13 (6, 23) |
| ≥ Bachelor’s degree | 1,856 | 27 (19.3) | 23 (14, 34) | 13.9 (9.9) | 12 (7, 17) | 11.5 (12) | 8 (4, 15) |
| Other non-ASD neurodevelopmental or psychiatric conditions5 | |||||||
| Reported | 527 | 44.2 (28.3) | 37 (23, 60.5) | 22.6 (14.5) | 19 (12, 31) | 20.4 (16.9) | 15 (8, 29) |
| Not Reported | 2314 | 26.4 (16.8) | 23 (15, 34) | 13.6 (8.6) | 12 (8, 17) | 10.6 (10) | 8 (4, 15) |
1
N remains same across columns.
2
Scaled scores according to percent of maximum possible, as described in text.
3
Among participants with information available on ASD diagnosis.
4
Among participants with non-missing maternal race/ethnicity or maternal education.
5
Excluding participants with an ASD diagnosis (n=190).