RDFE | Food outlet type | TP | FN | FP | Total Food outlet | PPV | 95% CI | Sens | 95%CI | ||
---|---|---|---|---|---|---|---|---|---|---|---|
Type | Size | AS | RDFE | ||||||||
Circular Buffer around Home | 2Â km | Convenience store | 48 | 183 | 10 | 231 | 58 | 0.83 | [0.78, 0.88] | 0.29 | [0.23, 0.36] |
 | Fast-food outlet | 62 | 237 | 12 | 299 | 74 | 0.86 | [0.82, 0.90] | 0.28 | [0.21, 0.35] | |
 | Other | 91 | 530 | 12 | 621 | 103 | 0.87 | [0.81, 0.91] | 0.23 | [0.16, 0.30] | |
 | Supermarket | 6 | 21 | 2 | 27 | 8 | 0.75 | [0.66, 0.83] | 0.32 | [0.25, 0.39] | |
4Â km | Convenience store | 111 | 120 | 96 | 231 | 207 | 0.55 | [0.49, 0.61] | 0.57 | [0.49, 0.64] | |
 | Fast-food outlet | 144 | 155 | 111 | 299 | 255 | 0.58 | [0.52, 0.64] | 0.55 | [0.47, 0.63] | |
 | Other | 274 | 347 | 167 | 621 | 441 | 0.62 | [0.55, 0.68] | 0.51 | [0.42, 0.60] | |
 | Supermarket | 14 | 13 | 13 | 27 | 27 | 0.53 | [0.46, 0.60] | 0.57 | [0.49, 0.66] | |
6Â km | Convenience store | 156 | 75 | 231 | 231 | 387 | 0.4 | [0.36, 0.46] | 0.75 | [0.68, 0.82] | |
 | Fast-food outlet | 205 | 94 | 257 | 299 | 462 | 0.45 | [0.40, 0.50] | 0.74 | [0.67, 0.82] | |
 | Other | 427 | 194 | 391 | 621 | 818 | 0.5 | [0.44, 0.57] | 0.73 | [0.65, 0.81] | |
 | Supermarket | 18 | 9 | 29 | 27 | 47 | 0.4 | [0.35, 0.45] | 0.74 | [0.66, 0.81] | |
Circular Buffer around Workplace | 2Â km | Convenience store | 61 | 170 | 18 | 231 | 79 | 0.72 | [0.67, 0.77] | 0.31 | [0.25, 0.37] |
 | Fast-food outlet | 91 | 208 | 20 | 299 | 111 | 0.78 | [0.73, 0.82] | 0.35 | [0.29, 0.41] | |
 | Other | 231 | 390 | 25 | 621 | 256 | 0.79 | [0.74, 0.85] | 0.4 | [0.32, 0.49] | |
 | Supermarket | 6 | 21 | 2 | 27 | 8 | 0.7 | [0.62, 0.77] | 0.31 | [0.25, 0.37] | |
4Â km | Convenience store | 126 | 105 | 150 | 231 | 276 | 0.44 | [0.39, 0.49] | 0.61 | [0.54, 0.68] | |
 | Fast-food outlet | 177 | 122 | 183 | 299 | 360 | 0.48 | [0.42, 0.53] | 0.63 | [0.56, 0.70] | |
 | Other | 376 | 245 | 222 | 621 | 598 | 0.55 | [0.48, 0.61] | 0.62 | [0.54, 0.70] | |
 | Supermarket | 14 | 13 | 20 | 27 | 34 | 0.4 | [0.35, 0.45] | 0.59 | [0.52, 0.65] | |
6Â km | Convenience store | 169 | 62 | 292 | 231 | 461 | 0.37 | [0.32, 0.42] | 0.79 | [0.72, 0.85] | |
 | Fast-food outlet | 228 | 71 | 334 | 299 | 562 | 0.41 | [0.36, 0.46] | 0.8 | [0.74, 0.86] | |
 | Other | 488 | 133 | 504 | 621 | 992 | 0.63 | [0.56, 0.69] | 0.8 | [0.73, 0.87] | |
 | Supermarket | 20 | 7 | 39 | 27 | 59 | 0.34 | [0.30, 0.38] | 0.79 | [0.73, 0.86] | |
Circular Buffer around Home and Workplace | 2Â km | Convenience store | 100 | 131 | 28 | 231 | 128 | 0.75 | [0.71, 0.80] | 0.5 | [0.44, 0.56] |
 | Fast-food outlet | 138 | 161 | 31 | 299 | 169 | 0.78 | [0.74, 0.83] | 0.36 | [0.32, 0.39] | |
 | Other | 299 | 321 | 38 | 621 | 337 | 0.82 | [0.77, 0.86] | 0.52 | [0.44, 0.60] | |
 | Supermarket | 11 | 16 | 4 | 27 | 15 | 0.74 | [0.69, 0.79] | 0.5 | [0.43, 0.57] | |
4Â km | Convenience store | 177 | 54 | 199 | 231 | 376 | 0.46 | [0.41, 0.51] | 0.82 | [0.77, 0.86] | |
 | Fast-food outlet | 236 | 63 | 230 | 299 | 466 | 0.48 | [0.42, 0.53] | 0.82 | [0.77, 0.87] | |
 | Other | 493 | 128 | 317 | 621 | 810 | 0.57 | [0.51, 0.64] | 0.81 | [0.76, 0.87] | |
 | Supermarket | 20 | 7 | 26 | 27 | 46 | 0.43 | [0.38, 0.48] | 0.79 | [0.74, 0.85] | |
6Â km | Convenience store | 208 | 23 | 375 | 231 | 583 | 0.35 | [0.31, 0.40] | 0.93 | [0.10, 0.96] | |
 | Fast-food outlet | 276 | 23 | 417 | 299 | 693 | 0.4 | [0.35, 0.44] | 0.94 | [0.92, 0.96] | |
 | Other | 578 | 43 | 615 | 621 | 1193 | 0.48 | [0.42, 0.55] | 0.94 | [0.92, 0.96] | |
 | Supermarket | 24 | 3 | 62 | 27 | 86 | 0.33 | [0.29, 0.37] | 0.93 | [0.90, 0.96] | |
Street-network buffer around home | 2Â km | Convenience store | 31 | 200 | 2 | 231 | 33 | 0.94 | [0.92, 0.97] | 0.19 | [0.14, 0.24] |
 | Fast-food outlet | 42 | 257 | 3 | 299 | 45 | 0.95 | [0.92, 0.97] | 0.19 | [0.14, 0.25] | |
 | Other | 58 | 563 | 3 | 621 | 61 | 0.95 | [0.93, 0.98] | 0.16 | [0.09, 0.22] | |
 | Supermarket | 4 | 23 | 0 | 27 | 4 | 0.79 | [0.69, 0.89] | 0.2 | [0.16, 0.25] | |
4Â km | Convenience store | 86 | 145 | 45 | 231 | 131 | 0.68 | [0.63, 0.74] | 0.46 | [0.38, 0.54] | |
 | Fast-food outlet | 111 | 188 | 51 | 299 | 162 | 0.7 | [0.64, 0.75] | 0.44 | [0.36, 0.52] | |
 | Other | 204 | 417 | 61 | 621 | 265 | 0.73 | [0.67, 0.78] | 0.4 | [0.31, 0.49] | |
 | Supermarket | 11 | 16 | 7 | 27 | 18 | 0.61 | [0.43, 0.55] | 0.47 | [0.39, 0.54] | |
6Â km | Convenience store | 135 | 96 | 149 | 231 | 284 | 0.53 | [0.48, 0.59] | 0.67 | [0.59, 0.74] | |
 | Fast-food outlet | 177 | 121 | 169 | 299 | 346 | 0.58 | [0.51, 0.65] | 0.66 | [0.57, 0.74] | |
 | Other | 364 | 257 | 260 | 621 | 624 | 0.58 | [0.51, 0.65] | 0.65 | [0.55, 0.74] | |
 | Supermarket | 16 | 11 | 29 | 27 | 45 | 0.48 | [0.41, 0.54] | 0.67 | [0.59, 0.74] | |
Street-network buffer around workplace | 2Â km | Convenience store | 39 | 192 | 6 | 231 | 45 | 0.89 | [0.84, 0.94] | 0.18 | [0.14, 0.21] |
 | Fast-food outlet | 63 | 236 | 6 | 299 | 69 | 0.91 | [0.86, 0.95] | 0.24 | [0.19, 0.28] | |
 | Other | 177 | 444 | 7 | 621 | 184 | 0.93 | [0.89, 0.96] | 0.28 | [0.21, 0.35] | |
 | Supermarket | 3 | 24 | 1 | 27 | 4 | 0.9 | [0.84, 0.97] | 0.14 | [0.11, 0.17] | |
4Â km | Convenience store | 103 | 128 | 86 | 231 | 189 | 0.53 | [0.47, 0.59] | 0.5 | [0.43, 0.56] | |
 | Fast-food outlet | 147 | 152 | 103 | 299 | 250 | 0.57 | [0.52, 0.63] | 0.53 | [0.46, 0.60] | |
 | Other | 329 | 292 | 123 | 621 | 452 | 0.65 | [0.59, 0.71] | 0.54 | [0.46, 0.63] | |
 | Supermarket | 11 | 16 | 11 | 27 | 22 | 0.51 | [0.45, 0.56] | 0.59 | [0.51, 0.65] | |
6Â km | Convenience store | 153 | 78 | 208 | 231 | 361 | 0.41 | [0.36, 0.46] | 0.73 | [0.66, 0.80] | |
 | Fast-food outlet | 209 | 90 | 245 | 299 | 454 | 0.45 | [0.40, 0.50] | 0.74 | [0.66, 0.80] | |
 | Other | 457 | 164 | 391 | 621 | 848 | 0.51 | [0.44, 0.59] | 0.75 | [0.68, 0.82] | |
 | Supermarket | 17 | 10 | 28 | 27 | 45 | 0.38 | [0.34, 0.42] | 0.72 | [0.65, 0.78] | |
Straight-line Buffer | 2Â km | Convenience store | 133 | 98 | 47 | 231 | 180 | 0.72 | [0.67, 0.77] | 0.62 | [0.55, 0.68] |
 | Fast-food outlet | 175 | 123 | 54 | 299 | 229 | 0.75 | [0.70, 0.80] | 0.63 | [0.56, 0.70] | |
 | Other | 368 | 253 | 68 | 621 | 436 | 0.8 | [0.75, 0.85] | 0.62 | [0.54, 0.70] | |
 | Supermarket | 15 | 12 | 6 | 27 | 21 | 0.71 | [0.65, 0.77] | 0.62 | [0.56, 0.69] | |
4Â km | Convenience store | 190 | 41 | 224 | 231 | 414 | 0.45 | [0.40, 0.49] | 0.85 | [0.80, 0.89] | |
 | Fast-food outlet | 249 | 50 | 258 | 299 | 507 | 0.48 | [0.43, 0.53] | 0.85 | [0.80, 0.89] | |
 | Other | 517 | 104 | 355 | 621 | 872 | 0.56 | [0.50, 0.63] | 0.84 | [0.78, 0.89] | |
 | Supermarket | 21 | 6 | 30 | 27 | 51 | 0.41 | [0.37, 0.46] | 0.83 | [0.78, 0.88] | |
6Â km | Convenience store | 215 | 16 | 388 | 231 | 603 | 0.35 | [0.31, 0.39] | 0.94 | [0.92, 0.92] | |
 | Fast-food outlet | 281 | 18 | 427 | 299 | 708 | 0.39 | [0.35, 0.44] | 0.95 | [0.93, 0.97] | |
 | Other | 589 | 31 | 626 | 621 | 1215 | 0.48 | [0.42, 0.54] | 0.95 | [0.92, 0.97] | |
 | Supermarket | 25 | 2 | 50 | 27 | 75 | 0.33 | [0.29, 0.36] | 0.94 | [0.92, 0.97] | |
Standard Deviational Ellipse | Â | Convenience store | 153 | 78 | 140 | 231 | 293 | 0.6 | [0.53, 0.67] | 0.62 | [0.54, 0.71] |
 | Fast-food outlet | 193 | 106 | 152 | 299 | 345 | 0.63 | [0.56, 0.70] | 0.62 | [0.54, 0.71] | |
 | Other | 384 | 237 | 216 | 621 | 600 | 0.67 | [0.60, 0.75] | 0.6 | [0.51, 0.68] | |
 | Supermarket | 18 | 9 | 17 | 27 | 35 | 0.6 | [0.52, 0.68] | 0.6 | [0.52, 0.69] |