From: Evaluation of a tailored intervention to improve management of overweight and obesity in primary care: study protocol of a cluster randomised controlled trial
Average cluster size (M)
> 1,130
163-212
213-309
310-568
569-3,464
> 3,464
> 287
Power (1-β)
0.80
0.81
0.82
0.83
0.84
0.85
Number of clusters (N)
12
13
14