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Table 3 Primary outcome power analysis

From: Study protocol for comparing Screening, Brief Intervention, and Referral to Treatment (SBIRT) to referral as usual for depression in African American churches

P1(X = 0)

P2(X = 1)

P2-P1

β*

OR

(x = 0 vs x = 1)

N (power = 80%)

Power

(N = 600)

0.091

0.20

0.109

0.92

2.50

595

80.4%

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Trials

ISSN: 1745-6215