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Table 6 Sample size calculations based on ICC

From: Improving pediatric COVID-19 vaccine uptake using an mHealth tool (MoVeUp): study protocol for a randomized, controlled trial

Intraclass correlation coefficient

Sample size

0.40

331 per arm (662 total)

0.50

355 per arm (710 total)

0.60

379 per arm (758 total)

0.70

402 per arm (804 total)

0.80

426 per arm (852 total)