TABLE 1.
Participant demographics
| Autism + REDs (n = 46) | REDs only (n = 110) | t‐test | ||
|---|---|---|---|---|
| Age (years) | Mean | 30.41 | 29.99 | t(154) = 0.245, p > 0.05, 95% CI [–2.98, 3.83] |
| Standard deviation | 11.02 | 9.28 | ||
| Range | 18–61 | 18–63 | ||
| Current BMI | Mean | 17.89 | 17.35 | t(142) = 1.141, p > 0.05, 95% CI [–0.4, 1.49] |
| Standard deviation | 2.27 | 2.72 | ||
| Range | 13.11–22.34 | 11.76–26.2 | ||
| Lowest ever BMI (<18 years) | Mean | 13.25 | 14.09 | t(29) = –1.164, p > 0.05, 95% CI [–2.34, 0.64] |
| Standard deviation | 1.9 | 2.1 | ||
| Range | 10.1–16.61 | 10.94–18.66 | ||
| Lowest ever BMI (18+ years) | Mean | 14.03 | 14.34 | t(110) = –0.586, p > 0.05, 95% CI [–1.33, 0.72] |
| Standard deviation | 2 | 2.39 | ||
| Range | 10.3–19.76 | 10.16–23.05 | ||
| EDE‐Q score | Mean | 3.57 | 4.27 | t(154) = –3.3, p < 0.05, 95% CI [–1.13, −0.28] |
| Standard deviation | 1.37 | 1.15 | ||
| Range | 0.74–5.7 | 1.14–6 | ||
| RAADS‐14 score | Mean | 34.98 | 17.2 | t(154) = 10.425, p < 0.05, 95% CI [14.41, 21.15] |
| Standard deviation | 6.01 | 10.88 | ||
| Range | 17–42 | 0–42 | ||
| SWEAA eating behaviour | Mean | 62.14 | 53.36 | t(154) = 2.4, p < 0.05, 95% CI [1.51, 15.65] |
| Standard deviation | 17.61 | 21.42 | ||
| Range | 20.83–100 | 0–100 | ||
| SWEAA other behaviour associated with disturbed eating | Mean | 32.88 | 33.58 | t(154) = –0.26, p > 0.05, 95% CI [–6, 4.6] |
| Standard deviation | 12.86 | 16.19 | ||
| Range | 6.25–62.5 | 0–96.88 |
Abbreviations: BMI, Body Mass Index; ED, eating disorder; EDE‐Q, Eating Disorder Examination Questionnaire; RAADS, Ritvo Autism Asperger Diagnostic Scale; RED, restrictive eating disorder; SWEAA, Swedish Eating Assessment for Autism spectrum disorders.