Table 1 Participant characteristics
ADHD (n = 3470) | |
|---|---|
Characteristics | Value1 |
 Age (M, SD) | 11.97 (3.48) |
Sex (n, %) | |
 Male | 2376 (69.55) |
 Female | 1094 (30.45) |
Ethnicity (n, %) | |
 White | 2839 (69.18) |
 Black or African American | 250 (17.29) |
 American Indian/Alaska native | 26 (0.59) |
 Asian | 55 (1.07) |
 Native Hawaiian & other pacific islander | 13 (0.86) |
 Two or more ethnic groups | 287 (11.01) |
Born 3Â weeks or more before due dates (n, %) | |
 Yes | 511 (14.47) |
 No | 2959 (85.53) |
Overweight status (n, %) | |
 Yes | 469 (14.95) |
 No | 3001 (85.05) |
ADHD severity (n, %) | |
 Mild | 1527 (43.20) |
 Moderate | 1566 (42.29) |
 Severe | 377 (14.52) |
ADHD related medication or treatment (n, %) | |
 Behavioural treatment only | 493 (14.39) |
 Medication only | 1008 (26.18) |
 Behavioural treatment and medication | 1047 (33.15) |
 Neither | 905 (26.27) |
Household poverty level (n, %) | |
  ≤ 0–99% federal poverty level | 457 (18.67) |
  ≥ 100% federal poverty level | 3013 (81.33) |
Highest education level among reported adults (n, %) | |
 Less than high school | 86 (7.02) |
 High school | 540 (23.74) |
 Some college or associated degree | 879 (24.06) |
 College degree or higher | 1965 (45.18) |
Adherence to the 24-h movement guidelines (n, %) | |
 None | 841 (27.56) |
 Screen time | 314 (10.87) |
 Sleep | 1118 (26.87) |
 Physical activity | 124 (4.93) |
 Screen time + Sleep | 574 (14.69) |
 Screen time + Physical activity | 116 (4.00) |
 Sleep + Physical activity | 182 (5.40) |
 All | 201 (5.68) |
Serious difficulty concentrating, remembering, or making decisions (n, %) | |
 Yes | 1858 (55.57) |
 No | 1612 (44.43) |
Difficulty making or keeping friends (n, %) | |
 No difficulty | 1545 (45.96) |
 A little difficulty | 1322 (36.54) |
 A lot of difficulty | 603 (17.49) |
Bully others (n, %) | |
 Never | 2374 (69.21) |
 1 to 2 times in the past 1 year | 762 (19.73) |
 1 to 2 times per month | 198 (5.16) |
 1 to 2 times per week | 78 (2.73) |
 Almost every day | 58 (3.17) |
Being bullied (n, %) | |
 Never | 1363 (40.85) |
 1 to 2 times in the past 1 year | 1190 (33.67) |
 1 to 2 times per month | 452 (11.15) |
 1 to 2 times per week | 270 (7.40) |
 Almost every day | 195 (6.93) |