Skip to main content

Table 7 Impact of the Minneapolis Staple Foods Ordinance on healthy home food availability among frequent shoppers, 2014–2017 (n = 88)

From: Evaluation of the first U.S. staple foods ordinance: impact on nutritional quality of food store offerings, customer purchases and home food environments

Outcome

City

Assessment Period

Overall effects

  

Time 1

Time 2

Time 3

Time 4

Main effects

Interaction

  

Pre-policy revision, 2014

Implementa-tion only, 2015

Early initiation of enforcement, 2016

Continued monitoring, 2017

Time

City

Time x City

  

Means (SE)

P (df = 3)

P (df = 1)

P (df = 3)

Obesogenicity home food availability score

Minneapolis

16.7 (1.7)

14. 8 (1.4)

16.5 (1.7)

16.6 (1.2)

0.30

0.85

0.52

 

St. Paul

15.9 (1.5)

16.2 (1.5)

16.0 (1.4)

17.8 (1.4)

   
 

p-net

 

p = 0.27

p = 0.82

p = 0.32

   

Types of vegetables in the home

Minneapolis

7.4 (0.7)

6.2 (0.6)

6.5 (0.6)

7.9 (0.5)

0.27

0.27

0.07

 

St. Paul

7.2 (0.7)

7.8 (0.6)

8.0 (0.5)

7.6 (0.6)

   
 

p-net

 

p = 0.04

p = 0.09

p = 0.87

   

Types of fruit in the home

Minneapolis

4.5 (0.6)

3.7 (0.6)

4.2 (0.6)

4.5 (0.6)

0.09

0.64

0.78

 

St. Paul

4.6 (0.8)

4.0 (0.6)

4.1 (0.7)

5.1 (0.7)

   
 

p-net

 

p = 0.87

p = 0.87

p = 0.59

   

% of participants with ≥1 reduced fat milk product in the home

Minneapolis

70.0 (9.7)

67.5 (7.6)

66.0 (6.9)

72.9 (6.9)

0.97

0.81

0.89

 

St. Paul

73.1 (8.8)

71.2 (7.9)

70.7 (8.3)

68.6 (9.2)

   
 

p-net

 

p = 0.98

p = 0.93

p = 0.60

   

% of participants with ≥1 whole grain breakfast cereal in the home

Minneapolis

70.8 (8.8)

75.8 (6.9)

76.9 (7.3)

72.4 (6.9)

0.96

0.46

0.72

 

St. Paul

69.3 (9.3)

68.9 (8.5)

63.9 (8.5)

73.0 (8.5)

   
 

p-net

 

p = 0.63

p = 0.43

p = 0.90

   
  1. Note: Data are from regression models adjusted for repeated measures over time and for employment status (the only variable that was significantly different in bivariate comparisons between Minneapolis (policy) and St. Paul (control) at the first study home visit); p-net values refer to changes in time*city effect from Time 1 to Time 2, Time 1 to Time 3, and Time 1 to Time 4, respectively
  2. Note: No missing data at any time point