Table 2.

Preintervention and Postintervention Medians for Dietary Intake (n = 22), Screen Time (n = 22) and Physical Activity (n = 21), and Psychosocial Determinants of Dietary Intake (n = 26) Among Adolescents and Young Adults With Autism Spectrum Disorder Who Participated in the Virtual 8-wk BALANCE Virtual Nutrition Education Program

Characteristics	Baseline Median (IQR)	Postintervention Median (IQRa)	P a
Dietary intake
Energy (kcal/kg)	25.4 (20.6–38.6)	24.8 (16.8–35.6)	0.05
Added sugar (tsp equivalents)	10.1 (7.9–15.2)	8.1 (6.3–10.8)	0.03*
Total fruit (cups)	1.5 (0.4–2.7)	1.0 (0.5–2.3)	0.211
Total vegetables (cups)	0.9 (0.6–1.4)	1.0 (0.6–1.3)	0.615
Screen time and physical activity
Screen time (1–6)e	6.0 (6.0–6.0)	5.5 (4.0–6.0)	0.04*
Moderate activity (min/d)	12.6 (2.4–37.9)	19.8 (8.4–39.3)	0.27
Vigorous activity (min/d)	0.0 (0.0–11.9)	2.1 (0.0–9.1)	0.393
Recreational activity (min/d)	8.4 (0.0–27.3)	8.4 (2.1–18.1)	0.931
Psychosocial determinants of dietary intake
Behavioral strategiesb (1–5)	2.7 (2.3–3.0)	3.1 (2.8–3.5)	0.01*
Situationc (1–6)	5.8 (5.0–6.0)	5.8 (4.9–6.0)	0.407
Social supportb (1–5)	4.2 (3.6–4.6)	4.1 (3.7–4.5)	0.372
Self–efficacyc (1–6)	3.0 (2.6–4.0)	4.0 (3.1–4.5)	0.001***
Outcome expectationsc (1–6) (n = 25)	4.9 (4.4–5.5)	5.8 (4.8–6.0)	0.009**
Outcome expectanciesc (1–6)	3.2 (3.0–4.0)	3.2 (3.0–3.8)	0.935
Intentionse (1–4)	2.8 (2.2–3.2)	2.9 (2.6–3.5)	0.08

BALANCE indicates Bringing Adolescent Learners with Autism Nutrition and Culinary Education; IQR, interquartile range.

^aWilcoxon signed-rank tests were conducted to compare baseline and postintervention medians for all variables listed;

^bResponse options: Never, rarely, sometimes, often, or always;

^cResponse options: Strongly disagree, disagree, disagree slightly, agree slightly, agree, or strongly agree

^dResponse options: Not at all true of me, not very true of me, somewhat true of me, or very true of me;

^eResponse options: 0, < 1, 1, 2, 3, ≥ 4 h/d.

^*P < 0.05;

^**P < 0.01;

^***P < 0.001.