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Table 1 Characteristics of extracted studies

From: Recruitment and retention in obesity prevention and treatment trials targeting minority or low-income children: a review of the clinical trials registration database

Reference and CTRD number Participants Intervention Primary outcome
Child’s race or ethnicity Child’s body weight status Child’s age in years (sex)a Parental participation Setting Focus Length
Hasson et al. [14] Black Obese 15.4 ± 1.1 Yes Laboratory Nutrition, physical activity 16 weeks Adiposity, inflammation, insulin sensitivity
NCT01441323
Davis et al. [15] Hispanic Overweight or obese 14–18 Yes Laboratory Nutrition, physical activity 16 weeks Adiposity, insulin sensitivity
Ventura et al. [16]
NCT00697580
Azevedo et al. [17] Hispanic All weights 7–11 Yes Not reported for dance; at home for TV time Nutrition, physical activity 2 years BMI
NCT00476775
Berry et al. [1820]b Black (63 %), white (32 %), other (5 %) Overweight or obese 7–10 Overweight or obese School Nutrition, physical activity 12 months Child’s BMI percentile, parent BMI
NCT01378806
Elizondo-Montemayor et al. [21] c Hispanic Overweight or obese 6–12 Yes School Nutrition 1 school year BMI percentile, dietary intake and eating habits
NCT01925976
Wang et al. [22, 23] b Black All weights 5–7th grade No School Nutrition, physical activity   Feasibility of intervention
NCT00061165
Black et al. [24, 25] Black All weights 11–16 Yes Home and community Nutrition, physical activity 11 months BMI
Hurley et al. [26]
Witherspoon et al. [27]
NCT00746083
Weigensberg et al. [28] Hispanic Obese 14–17 No Not clear Nutrition, physical activity, interactive guided imagery 12 weeks Insulin sensitivity
NCT01895595
Wilson et al. 2011 [2931]b Black (73 %), other All weights 6th grade No School Physical activity 17 weeks Moderate-to-vigorous physical activity
NCT01028144
Naar-King et al. [32] Black Obese 12–17 Yes Home Nutrition, physical activity 6 months BMI, overweight (%), percentage body fat
NCT00604981
Ritchie et al. [33] Black Overweight 9–10 Yes YMCA Nutrition, physical activity 4–9 seasons Insulin sensitivity
Sharma et al. [34]d
NCT01039116
Eisenmann et al. [35]d Hispanic or black All weights 3rd–5th grade Yes School and community Nutrition, physical activity 2 years Physical activity, healthy eating index
NCT01385046
Barkin et al. [36] Hispanic All weights 2–6 Yes Community recreation center Nutrition, physical activity 12 weeks BMI
NCT00808431
Burnet et al. [37]e Black Overweight or obese 9-12, with family history of type 2 diabetes mellitus Yes Community Nutrition, physical activity 1 year Child’s BMI z score, parent’s BMI, glucose tolerance
NCT00723853
Davis et al. [3840] White (58 %), black (39 %), Hispanic (3 %) Overweight or obese 7–11 No Laboratory Nutrition, physical activity 10–15 weeks Risk of type 2 diabetes mellitus, VO2 max, percentage body fat, visceral fat
Tkacz et al. [41]
Petty et al. [42]
NCT00108901
Madsen et al. [43] b Hispanic (42 %), Asian (32 %), black (12 %), white (0.6 %), other (13.4 %) All weights 4th or 5th grade No School Physical activity 24 weeks Change in minutes of after-school moderate-to-vigorous physical activity, VO2 max, BMI
NCT01156103
Wickham et al. [44] Black (70.3 %), white (26.1 %), Hispanic (1.8 %) Obese 11–18 Yes Weight management clinic Nutrition, physical activity 2 years (results at 6 months reported) BMI, metabolic indicators, fitness
NCT00167830
Bean et al. [45] e Black (75.3 %), white (22.0 %), other (2.7 %) Obese 11–18 Yes Weight management clinic Nutrition, physical activity 2 years (results at 6 months reported) Dietary changes
NCT00167830
Wysocki et al. [46, 47] White (78.2 %), black (21.0 %), Hispanic (0.8 %) All weights 12–16.75 with type 1 diabetes mellitus Yes Treatment center Parent–adolescent conflict 12 months (results at 3 months reported) Family relationships, psychological adjustment to diabetes treatment, treatment adherence, diabetic control
NCT00358059
Wysocki et al. [4850] White (63.5 %), black (30.8 %), Hispanic (2.9 %), other (2.9 %) All weights 11–16, with type 1 diabetes mellitus Yes Pediatric center Parent–adolescent conflict 6 months Family relationships, treatment adherence, HbA1c, health care use
NCT00358059
Ellis et al. [51, 52] Black (63 %), white (26 %), other (11 %) All weights 10–17, with type 1 diabetes mellitus Yes Home, community Home-based psychotherapy Approximately 6 months Adherence to medical regimen, metabolic control, hospital use
NCT00519935
Story et al. [2] Black Phase I: BMI ≥25th or ≥50th percentile; 8–10 (girls) Overweight or obese Community center, school, home Nutrition, physical activity Phase I: 12 weeks; Phase I: process measures;
Rochon et al. [53] Phase II: BMI ≥25th percentile but ≤35 kg/m2 Phase II: 2 years Phase II: change in child’s BMI
Kumanyika et al. [54, 55]
Klesges et al. [56, 57]
Robinson et al. [58, 59]
Stockton et al. [60]
NCT00000615
Natale et al. [61] b Hispanic (60 %), Haitian (15 %), black (12 %), white (2 %), other (11 %) All weights 2–5 Yes Childcare center Nutrition, physical activity 2 years Child’s BMI
NCT01722032
Nansel et al. [62] White (75 %), Hispanic (10 %), black (9 %), other (6 %) All weights 9–14.9, with type 1 diabetes mellitus Yes Pediatric endocrinology clinic Diabetes management behavior 2 years HbA1c
NCT00273286
Janicke et al. [63] White (76.1 %), black (9.8 %), Hispanic (8.5 %), biracial (4.2 %) Overweight or obese 8–14 Yes County extension office Nutrition, physical activity 16 weeks Change in child’s BMI
Follansbee-Junger et al. [64]
Radcliff et al. [65]
NCT00248677
  1. BMI body mass index
  2. aIncluded both sexes if not specified
  3. bCluster randomized clinical trial
  4. cTrial without control group
  5. dNon-randomized controlled trial
  6. ePre-post study design