Exhibit 1.
Characteristics of analytical samples in the study by all participants and by outcome specific sub-samples
| All | Sub-samples (by outcome) | |||
|---|---|---|---|---|
|
| ||||
| BMI | Fruit & Vegetable Intake | Perceptions of Food Access | ||
|
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| Eligible Samples | ||||
|
| ||||
| Sample size, n: | 656 | 619 | 625 | 539 |
|
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| Resident in area with new supermarket, n (%) | 311 (47) | 294 (47) | 294 (47) | 247 (46) |
|
| ||||
| Adopted new supermarket as main store, n (%) | 83 (13) | 80 (13) | 79 (13) | 64 (12) |
|
| ||||
| Adopted new supermarket as secondary store, n (%) | 160 (24) | 152 (25) | 153 (24) | 128 (24) |
|
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| Baseline sample characteristics | ||||
|
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| Gender (%) | ||||
| Male | 134 (20) | 132 (21) | 123 (20) | 115 (21) |
| Female | 521 (79) | 486 (79) | 501 (80) | 424 (79) |
| Missing | 1 (0) | 1 (0) | 1 (0) | 0 (0) |
|
| ||||
| Age in years | ||||
| Mean (SD) | 54 (14.8) | 54 (14.5) | 53 (14.5) | 53 (14.2) |
| Missing (%) | 8 (1) | 7 (1) | 8 (1) | 0 (0) |
|
| ||||
| Race/Ethnicity (%) | ||||
| Black | 551 (84) | 522 (84) | 524 (84) | 461 (86) |
| White | 56 (9) | 54 (9) | 54 (9) | 49 (9) |
| Hispanic | 13 (2) | 11 (2) | 13 (2) | 10 (2) |
| Other | 23 (4) | 22 (4) | 23 (4) | 19 (4) |
| Missing | 13 (2) | 10 (2) | 11 (2) | 0 (0) |
|
| ||||
| Household income % | ||||
| 417 (64) | 393 (63) | 394 (63) | 360 (67) | |
| <$40,000 per year | 200 (30) | 191 (31) | 195 (31) | 179 (33) |
| >$40,000 per year | 39 (6) | 35 (6) | 36 (6) | 0 (0) |
| Missing | ||||
|
| ||||
| High school graduate (%) | ||||
| Yes | 557 (85) | 524 (85) | 537 (86) | 467 (87) |
| No | 98 (15) | 95 (15) | 87 (14) | 72 (13) |
| Missing | 1 (0) | 0 (0) | 1 (0) | 0 (0) |
|
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| Labour market status (%) | ||||
| Employed | 298 (45) | 282 (46) | 291 (47) | 263 (49) |
| Unemployed | 69 (11) | 63 (10) | 67 (11) | 59 (11) |
| Inactive | 287 (44) | 273 (44) | 265 (42) | 217 (40) |
| Missing | 2 (0) | 1 (0) | 2 (0) | 0 (0) |
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| Children under 12 in household (%) | ||||
| Yes | 148 (23) | 139 (22) | 147 (24) | 135 (25) |
| No | 508 (77) | 480 (78) | 478 (76) | 404 (75) |
| Missing | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
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| Public transport for food shopping (%) | ||||
| Yes | 157 (24) | 149 | 148 | 122 |
| No | 499 (76) | 470 (76) | 477 (76) | 417 (77) |
| Missing | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
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| Outcomes | ||||
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| BMIa, Daily F&V Intakeb, Perceptions of food access:, baseline mean value (SD) | - | 29.5 (6.9) | 3.6 (2.4) | 14.2 (4.2) |
a
Body Mass Index,
b
Daily Fruit & Vegetable Intake;
Authors calculations based on analytical data