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Table 3 Description of the take-home sample

From: Associations between the food environment and food and drink purchasing using large-scale commercial purchasing data: a cross-sectional study

 

Full sample

(N = 2118)

London

(N = 1063)

North of England

(N = 1055)

Age of main shopper

53 (41, 62)

52 (42, 61)

53 (40, 63)

Gender of main shopper

 Female

1,537 (72.57%)

760 (71.50%)

777 (73.65%)

 Male

581 (27.43%)

303 (28.50%)

278 (26.35%)

NRS social grade of main shopper

 AB

498 (23.51%)

287 (27.00%)

211 (20.00%)

 C1

907 (42.82%)

476 (44.78%)

431 (40.85%)

 C2

331 (15.63%)

133 (12.51%)

198 (18.77%)

 D

234 (11.05%)

94 (8.84%)

140 (13.27%)

 E

148 (6.99%)

73 (6.87%)

75 (7.11%)

Number of people in the household

 1

431 (20.35%)

259 (24.37%)

172 (16.30%)

 2

765 (36.12%)

337 (31.70%)

428 (40.57%)

 3

396 (18.70%)

186 (17.50%)

210 (19.91%)

 4

383 (18.08%)

198 (18.63%)

185 (17.54%)

 5+

143 (6.75%)

83 (7.81%)

60 (5.69%)

Children in the household

 Yes

617 (29.13%)

303 (28.50%)

314 (29.76%)

 No

1,501 (70.87%)

760 (71.50%)

741 (70.24%)

Population density (people/km2)

3,426.65 (1,405.84, 5,776.85)

5,425.54 (4,121.96, 7,994.89)

1,462.75 (618.09, 2,702.78)

Area deprivation a

-

338 (226, 471)

279 (116, 442)

Density of chain supermarkets (outlets/km2)

2.69 (1.25, 3.90)

3.11 (1.70, 4.50)

1.95 (0.62, 3.43)

Density of independent supermarkets (outlets/km2)

2.03 (0.65, 5.90)

4.92 (1.84, 10.38)

0.94 (0.00, 2.04)

Distance to nearest chain supermarket (m)

536.76 (321.79, 893.13)

403.06 (268.32, 724.45)

634.08 (428.64, 1,105.87)

Distance to nearest independent supermarket (m)

638.83 (323.42, 1,075.47)

419.15 (227.04, 691.68)

878.49 (581.90, 1,431.09)

Density of OOH outlets (outlets/km2)

7.91 (2.77, 18.35)

14.61 (6.00, 25.84)

4.55 (1.04, 9.32)

Distance to nearest OOH outlet (m)

486.39 (260.11, 778.69)

367.81 (199.64, 608.11)

615.55 (374.53, 969.87)

Neighbourhood food environment composition

 More supermarkets

496 (23.42%)

196 (18.44%)

300 (28.44%)

 More OOH outlets

1,413 (66.71%)

826 (77.70%)

587 (55.64%)

 No outlets

209 (9.87%)

41 (3.86%)

168 (15.92%)

Purchase occasions (days/week)

1.65 (1.10, 2.44)

1.73 (1.12, 2.52)

1.54 (1.10, 2.37)

Total kcal (kcal) b

10,300.70 (7,349.43, 13,927.95)

9,769.06 (7,073.43, 13,125.83)

10,801.87 (7,696.76, 14,479.79)

kcal from fruit & vegetables (%)

3.98 (2.60, 5.86)

4.36 (2.86, 6.56)

3.68 (2.42, 5.22)

kcal from HFSS foods (%)

52.97 (47.05, 58.73)

52.47 (46.22, 58.37)

53.45 (48.06, 58.97)

kcal from UPF (%)

58.88 (49.73, 67.54)

56.94 (46.71, 66.14)

61.28 (52.49, 68.75)

Volume of alcohol (l) c

0.15 (0.02, 0.50)

0.10 (0.02, 0.34)

0.22 (0.04, 0.64)

  1. Values are percentages for categorical variables and median (interquartile range) for continuous variables. OOH outlets = outlets for out-of-home consumption, include restaurants and hot food takeaways; HFSS high in fat, salt and sugar (according to the Nutrient Profiling Model (UK Department of Health, 2011)); UPF ultra-processed foods (according to the NOVA classification (Monteiro et al., 2019))
  2. aMedian rank of income deprivation (ranks from 1 to 630). The lower the rank, the more deprived is the area
  3. bper household member and week
  4. cper adult and week