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Table 3 Individual and environmental variables for the participant sample (n = 753)

From: Examination of how food environment and psychological factors interact in their relationship with dietary behaviours: test of a cross-sectional model

Construct Measured variable Mean (SD) Range
Psychological resources
Perceived control over life 26 (2) 16 to 36
Self-efficacy for healthy eating 14 (2) 6 to 20
Healthy eating outcome expectancies 18 (6) 6 to 24
Food involvement 44 (5) 29 to 59
  n %a
Perceived food affordability
Can’t afford enough food
  Never 627 83
  Sometime 103 14
  Often 23 3
Can’t afford balanced meals
  Never 658 87
  Sometime 72 10
  Often 23 3
Perceived food accessibility
Can food shop locally   
  Strongly disagree 31 4
  Disagree 158 21
  Agree 400 53
  Strongly agree 164 22
Limited variety of fresh F&V locally   
  Strongly disagree 103 14
  Disagree 401 53
  Agree 223 30
  Strongly agree 26 3
Good quality produce locally
  Strongly disagree 12 2
  Disagree 142 19
  Agree 522 69
  Strongly agree 77 10
  Median (IQR) Range
Spatial access to food outlets
Area (km2) of activity space 10 (8, 12) 4 to 18
Supermarket variety 3 (3, 4) 2 to 4
Food environment score – healthy outlets 98 (69, 136) 12 to 445
Food environment score – unhealthy outlets −175 (−122, −615) −9 to − 810
Environment of main supermarket
Healthfulness score 1.8 (1.7, 1.9) −0.7 to 2.2
Children’s centre nutrition practices
Food policy content 40 (33, 41) 16 to 43
Healthy eating ethos 40 (37, 41) 33 to 45
Healthy eating information 9 (8, 10) 6 to 11
Barriers to promoting healthy eating 4 (3, 4) 1 to 7