Table 1.
Participant characteristics at baseline.
| Characteristics | All participants (n=23) | Control group (n=12) | Intervention group (n=11) | Test statistic | P value | |||||||
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t test (df)a | z test | Chi-square (df) |
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| Age (years), mean (SD) | 15.1 | 14.9 | 15.3 | −0.57 (20) | N/Ab | N/A | .57 | |||||
| Sex (male), n (%) | 17 (74) | 10 (83) | 7 (64) | N/A | −1.58 | N/A | .12 | |||||
| Race or ethnicity, n (%) |
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N/A | N/A | 1.2 (5) | .88 | |||||
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Asian | 2 (9) | 1 (8) | 1 (9) |
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Black | 2 (9) | 1 (8) | 1 (9) |
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Hispanic | 3 (13) | 2 (17) | 1 (9) |
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White | 14 (60) | 7 (58) | 7 (64) |
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Declined | 2 (9) | 1 (8) | 1 (9) |
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| Qualifies for free or reduced-price lunch, n | 8 (35) | 3 (25) | 5 (45) | N/A | N/A | 1.5 (1) | .23 | |||||
| Diagnoses, n (%)c | N/A | N/A | N/A | N/A | ||||||||
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Autism spectrum disorder | 12 (52) | 7 (58) | 5 (45) |
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Attention-deficit/hyperactivity disorder | 13 (56) | 8 (67) | 5 (45) |
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Anxiety | 6 (26) | 5 (42) | 1 (9) |
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Depression | 6 (26) | 3 (25) | 3 (27) |
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Other | 4 (17) | 4 (33) | 0 (0) |
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| Taking medication that causes weight gain, n (%) | 7 (30) | 5 (42) | 2 (18) | N/A | N/A | 5.5 (2) | .06 | |||||
aTwo-tailed t test (age), test of proportion (sex, race or ethnicity, free or reduced lunch, and medication use).
bN/A: not applicable.
cMore than 50% of participants had multiple diagnoses.