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Table 2 Participant demographics, shopping habits, lifestyle and anthropometry stratified by store

From: Association of supermarket characteristics with the body mass index of their shoppers

 

Store 1

Store 2

Store 3

Store 4

Store 5

 

n=77

n=90

n=135

n=153

n=100

Age (years)

45.4 ± 15.9

49.7 ± 16.8

44.4 ± 14.4

47.4 ± 17.3

55.7 ± 20.2**

Women (%)

42 (54.5%)

42 (47.2%)

63 (46.7%)

81 (52.9%)

73 (73.0%)++

Car ownership

70 (90.9%)

62 (68.9%)

69 (51.1%)

108 (70.6%)

83 (83.0%)+++

Residential area income ($)†

$24 527 ($22 303, $28 448)

$22812 ($20 560, $25 825)

$23334 ($20 908, $27 235)

$28962 ($22 446, $33 215)

$45 595 ($35 659, $56 529)**

Minimum distance to store (km)†‡

4.30 (2.83, 5.75)

1.32 (0.72, 1.96)

0.96 (0.57, 2.31)

1.23 (0.71, 2.64)

2.29 (1.50, 3.28)**

Transportation to store

     

       Car

70 (90.9%)

41 (45.6%)

48 (35.5%)

81 (52.9%)

82 (82.0%)+++

       Transit

4 (5.2%)

13 (14.4%)

18 (13.3%)

4 (2.6%)

7 (7.0%)

       Walking

2 (2.6%)

32 (35.6%)

55 (40.7%)

57 (37.3%)

8 (8.0%)

       Bicycle

0 (0%)

3 (3.3%)

12 (8.9%)

8 (5.2%)

0 (0%)

Frequency of shopping at this supermarket (per week)

1.2 ± 0.8

2.3 ± 2.1

1.9 ± 1.7

1.7 ± 1.8

1.6 ± 1.4**

Primary store for food shopping (%)

51 (66.2%)

46 (51.1%)

71 (52.6%)

55 (35.9%)

63 (63.0%)+++

Primary shopper in household (%)

64 (83.1%)

63 (70.0%)

111 (82.2%)

123 (80.4%)

80 (80.0%)

Grocery bill today

$69.28 ± $66.25

$21.54 ± $24.26

$17.50 ± $26.35

$21.19 ± $26.45

$53.73 ± $48.43**

Distance to nearest produce store (blocks)†

5 (2, 7)

3 (2, 5)

3 (2, 5)

4 (2, 7)

4 (2, 6)**

Body mass index (kg/m2)

27.1 ± 4.3

27.6 ± 4.6

25.4 ± 4.7

25.1 ± 4.7

23.7 ± 4.3**

  1. Categorical data presented as n(%). Continuous normally distributed variables presented as Mean ± SD, while variables not following normal distribution (indicated by †) presented as Median (25%, 75%).
  2. ANOVA for overall comparison across stores: * p<0.05, ** p<0.001; Pearson Chi-square test: + p<0.05, ++ p<0.01, +++ p<0.001; ‡ assessed objectively using GIS; the rest of the variables self-reported.