TF | IP | Mean difference (95% CI) | |
---|---|---|---|
Children | n=68 | n=67 | |
Pretest understanding of concepts† | 3.97 (2.7) | 3.76 (2.6) | −0.2 (−1.1 to 0.7) |
Post-test understanding of concepts† | 8.85 (4.1) | 11.65 (4.1) | 2.8 (1.4 to 4.2)* |
ΔPre-post understanding of concepts† | 4.88 (3.4) | 7.84 (3.1) | 3.0 (1.8 to 4.1)* |
Post-test understanding of research participation‡ | 12.39 (2.8) | 15.86 (2.9) | 3.5 (2.4 to 4.6)* |
Parents | n=75 | n=73 | |
Pretest understanding of concepts† | 7.67 (3.9) | 7.90 (4.1) | 0.66 (−1.1 to 1.5) |
Post-test understanding of concepts† | 12.71 (4.0) | 13.34 (3.6) | 0.64 (−0.6 to 1.9) |
ΔPre-post understanding of concepts† | 5.04 (3.3) | 5.43 (3.5) | 0.39 (−0.7 to 1.5) |
Post-test understanding of research participation‡ | 16.64 (2.4) | 17.36 (2.6) | 0.72 (−1.5 to 1.6) |
Data are presented as mean (SD) and n (%).
Δ=Pre-post change in understanding.
*p<0.001.
†0–18 scale where 18=complete overall understanding.
‡0–14 scale where 14=complete overall understanding.
IP, interactive digital program; TF, traditional paper format.