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Table 3 Random-effects average correlation and heterogeneity statistics by category of behaviour

From: The theory of planned behaviour and discrete food choices: a systematic review and meta-analysis

 

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

  1. 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