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. Author manuscript; available in PMC: 2024 Jun 1.
Published in final edited form as: Am J Prev Med. 2023 Jan 6;64(6):918–926. doi: 10.1016/j.amepre.2022.12.004

Table 1.

Characteristics of 612 pediatric trials published in leading general pediatric and medical journalsa

Trial Characteristics N (%)
Participant age group in article
 All pediatric age groups 91 (14.9)
 Neonate (0-30 days) 115 (18.8)
 Infants and toddlers (31 days-3 years) 92 (15.0)
 Pre-school and school age (4-12 years) 138 (22.5)
 Adolescent (13-18 years) 176 (28.8)
Trial allocation
 Randomized 574 (93.8)
 Not randomized 38 (6.2)
Participant enrollment
 <100 172 (28.1)
 100-499 284 (46.4)
 ≥500 156 (25.5)
Trial intervention
 Behavioral 244 (39.9)
 Drug/biologic/dietary supplement 239 (39.1)
 Device/procedure 75 (12.3)
 Screening/Referral/Health services 54 (8.7)
Funding source
 Public 342 (55.9)
 Private 112 (18.3)
 Public and Private 128 (20.9)
 None Reported 30 (4.9)
Participant preferred language reported 181 (29.6)
Socioeconomic factor(s) reported 293 (47.9)
Sex reported (N=282) b 272 (96.1)
Sexual orientation reported (N=282) b 9 (1.5)
Gender identity reported (N=282) b 2 (0.7)
a

JAMA Pediatrics, Lancet Child & Adolescent Health, Pediatrics, Journal of Adolescent Health, the Journal of Pediatrics, New England Journal of Medicine, Lancet, JAMA, BMJ, and PLoS Medicine

b

There were 282 trials that enrolled school age or adolescent participants.