Table 1.
Demographics.
| Variable | Level | Female | Male | Overall | |
|---|---|---|---|---|---|
| Age at RCBA Visit | n, missing | 71, 0 | 304, 0 | 375, 0 | |
| Mean (SD) | 10.20 (3.33) | 9.64 (3.05) | 9.75 (3.11) | ||
| 95 % CI | 9.42, 10.99 | 9.29, 9.98 | 9.43, 10.06 | ||
| min, max | 5.06, 17.47 | 4.55, 17.94 | 4.55, 17.94 | ||
| Median | 9.67 | 8.95 | 9.08 | ||
| IQR | 7.65, 12.99 | 7.13, 11.69 | 7.23, 11.74 | ||
| Age at RCBA Visit (Groups) | Summary: | n, missing | 71, 0 | 304, 0 | 375, 0 |
| 1. 0–5 Years | n (%) | 4 (5.6 %) | 19 (6.3 %) | 23 (6.1 %) | |
| 2. 6–11 Years | n (%) | 47 (66.2 %) | 220 (72.4 %) | 267 (71.2 %) | |
| 3. 12–17 Years | n (%) | 20 (28.2 %) | 65 (21.4 %) | 85 (22.7 %) | |
| Gender | Summary: | n, missing | 71, 0 | 304, 0 | 375, 0 |
| Female | n (%) | 71 (100 %) | 0 (0.0 %) | 71 (18.9 %) | |
| Male | n (%) | 0 (0.0 %) | 304 (100 %) | 304 (81.1 %) | |
| Ethnicity | Summary: | n, missing | 68, 3 | 292, 12 | 360, 15 |
| Hispanic | n (%) | 6 (8.8 %) | 19 (6.5 %) | 25 (6.9 %) | |
| Non-Hisp | n (%) | 62 (91.2 %) | 273 (93.5 %) | 335 (93.1 %) | |
| DSM-IV ASD Diagnosis | Summary: | n, missing | 71, 0 | 304, 0 | 375, 0 |
| Asperger’s | n (%) | 9 (12.7 %) | 24 (7.9 %) | 33 (8.8 %) | |
| Autism | n (%) | 50 (70.4 %) | 219 (72.0 %) | 269 (71.7 %) | |
| PDD/NOS | n (%) | 12 (16.9 %) | 61 (20.1 %) | 73 (19.5 %) | |
| Race | Summary: | n, missing | 71, 0 | 294, 10 | 365, 10 |
| Asian | n (%) | 4 (5.6 %) | 13 (4.4 %) | 17 (4.7 %) | |
| Black or African Am./Black Canadian | n (%) | 3 (4.2 %) | 16 (5.4 %) | 19 (5.2 %) | |
| Caucasian/White | n (%) | 60 (84.5 %) | 240 (81.6 %) | 300 (82.2 %) | |
| Other/Multiracial | n (%) | 4 (5.6 %) | 25 (8.5 %) | 29 (7.9 %) | |
| Highest Education Level of known CGs: HS Split | Summary: | n, missing | 69, 2 | 294, 10 | 363, 12 |
| HS or less | n (%) | 6 (8.7 %) | 33 (11.2 %) | 39 (10.7 %) | |
| More than HS | n (%) | 63 (91.3 %) | 261 (88.8 %) | 324 (89.3 %) | |
| Insurance: Has Public Insurance | Summary: | n, missing | 71, 0 | 303, 1 | 374, 1 |
| No | n (%) | 33 (46.5 %) | 166 (54.8 %) | 199 (53.2 %) | |
| Yes | n (%) | 38 (53.5 %) | 137 (45.2 %) | 175 (46.8 %) | |
| Insurance: Has Private Insurance | Summary: | n, missing | 71, 0 | 303, 1 | 374, 1 |
| No | n (%) | 28 (39.4 %) | 102 (33.7 %) | 130 (34.8 %) | |
| Yes | n (%) | 43 (60.6 %) | 201 (66.3 %) | 244 (65.2 %) | |
| Insurance: Has no insurance | Summary: | n, missing | 71, 0 | 303, 1 | 374, 1 |
| No | n (%) | 67 (94.4 %) | 294 (97.0 %) | 361 (96.5 %) | |
| Yes | n (%) | 4 (5.6 %) | 9 (3.0 %) | 13 (3.5 %) | |
| Income | Summary: | n, missing | 60, 11 | 243, 61 | 303, 72 |
| $50k+ | n (%) | 23 (38.3 %) | 95 (39.1 %) | 118 (38.9 %) | |
| < $50k | n (%) | 37 (61.7 %) | 148 (60.9 %) | 185 (61.1 %) | |
| Weight (kg) (RCBA) | n, missing | 59, 12 | 218, 86 | 277, 98 | |
| Mean (SD) | 45.39 (17.79) | 44.79 (22.00) | 44.91 (21.15) | ||
| 95 % CI | 40.75, 50.02 | 41.85, 47.72 | 42.41, 47.42 | ||
| min, max | 20.90, 97.93 | 14.30, 120.20 | 14.30, 120.20 | ||
| Median | 40.80 | 36.90 | 38.80 | ||
| IQR | 31.75, 54.00 | 28.12, 54.43 | 29.03, 54.40 | ||
| Height (m) (RCBA) | n, missing | 58, 13 | 216, 88 | 274, 101 | |
| Mean (SD) | 1.45 (0.14) | 1.45 (0.18) | 1.45 (0.17) | ||
| 95 % CI | 1.42, 1.49 | 1.43, 1.48 | 1.43, 1.47 | ||
| min, max | 1.19, 1.69 | 1.00, 1.87 | 1.00, 1.87 | ||
| Median | 1.45 | 1.41 | 1.42 | ||
| IQR | 1.32, 1.58 | 1.32, 1.59 | 1.32, 1.59 | ||
| BMI (RCBA) | n, missing | 58, 13 | 215, 89 | 273, 102 | |
| Mean (SD) | 20.97 (5.25) | 20.03 (5.57) | 20.23 (5.51) | ||
| 95 % CI | 19.59, 22.35 | 19.28, 20.78 | 19.57, 20.89 | ||
| min, max | 13.34, 34.32 | 12.54, 39.79 | 12.54, 39.79 | ||
| Median | 19.83 | 18.36 | 18.71 | ||
| IQR | 17.59, 23.69 | 15.71, 22.44 | 15.93, 22.78 | ||
| BMI Percentile (RCBA) | n, missing | 58, 13 | 215, 89 | 273, 102 | |
| Mean (SD) | 0.71 (0.28) | 0.66 (0.33) | 0.67 (0.32) | ||
| 95 % CI | 0.64, 0.79 | 0.62, 0.71 | 0.63, 0.71 | ||
| min, max | 0.02, 1.00 | 0.00, 1.00 | 0.00, 1.00 | ||
| Median | 0.82 | 0.77 | 0.78 | ||
| IQR | 0.52, 0.96 | 0.40, 0.96 | 0.44, 0.96 | ||
| Intellectual Disability | Summary: | n, missing | 68, 3 | 280, 24 | 348, 27 |
| No | n (%) | 37 (54.4 %) | 131 (46.8 %) | 168 (48.3 %) | |
| Yes | n (%) | 31 (45.6 %) | 149 (53.2 %) | 180 (51.7 %) | |
| IQ | n, missing | 61, 10 | 247, 57 | 308, 67 | |
| Mean (SD) | 79.72 (25.22) | 75.06 (22.23) | 75.99 (22.88) | ||
| 95 % CI | 73.26, 86.18 | 72.28, 77.85 | 73.42, 78.55 | ||
| min, max | 44.00, 130.00 | 40.00, 132.00 | 40.00, 132.00 | ||
| Median | 82.00 | 73.00 | 73.50 | ||
| IQR | 51.00, 98.00 | 53.00, 93.00 | 53.00, 96.00 |
Variables were collected at registry baseline unless otherwise noted.