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. 2015 Dec 30;12:162. doi: 10.1186/s12966-015-0324-z

Table 3.

Random-effects average correlation and heterogeneity statistics by category of behaviour

Health promoting food choice behaviours Health compromising food choice behaviours
Consume health promoting Avoid health compromising
Association n k r + I 2 n k r + I 2 n k r + I 2
PBC-Behaviour 6413 19 0.35 92.56 6232 7 0.21 87.71 8726 17 0.17 93.22
Intention-Behaviour 7676 21 0.43 87.98 6518 10 0.28 90.16 9013 18 0.45 94.87

n = number of participants, k = number of effect sizes included in the analysis, CI = 95 % confidence interval, I 2 = tests of heterogeneity, r + = random effects average correlation