Skip to main content

Table 7 Multilevel model estimating intervention effects on daily mean price per purchase (pence)

From: Prompting consumers to make healthier food choices in hospitals: a cluster randomised controlled trial

     

95% CI

γ

SE

t

p

Lower

Upper

Intercept

78.37

0.93

84.21

< .001

76.47

80.27

Group

−0.67

1.32

−0.51

.617

−3.35

2.02

Pre-Post

−0.89

0.22

−4.06

<.001

−1.32

−0.46

Group*Pre-Post

0.71

0.32

2.21

.027

0.08

1.35

Weekend

2.16

0.23

9.31

< .001

1.71

2.62

Total Purchases

0.00

0.00

2.06

.039

0.00

0.00

  1. Note. Group: 0 = intervention; 1 = control. Pre-post: 0 = pre; 1 = post. Weekend: 0 = midweek; 1 = weekend; Total Purchases = number of purchases on day, centred at the grand mean