Table 1 Comparison of full NEMS surveys and reduced item scores by outlet type
From: Optimizing data collection for public health decisions: a data mining approach
Outlet type | n | Full survey score median (IQR) | Reduced survey score median (IQR) | p 1 | Score agreement2(95% CI3) |
|---|---|---|---|---|---|
All stores | 301 | 10.0 (7.0, 15.0) | 10.3 (7.0, 16.2) | 0.818 | 0.926 (0.909 - 0.941) |
Grocery | 66 | 25.0 (17.0, 27.0) | 24.0 (17.5, 26.0) | 0.389 | 0.838 (0.755 - 0.894) |
Convenience | 138 | 10.0 (7.0, 12.0) | 10.0 (7.0, 11.7) | 0.671 | 0.860 (0.810 - 0.898) |
Variety4 | 97 | 8.0 (6.0, 12.0) | 8.4 (6.6, 10.3) | 0.543 | 0.846 (0.786 - 0.891) |
All restaurants | 584 | 8.0 (2.0, 17.0) | 6.8 (0.7, 16.2) | 0.148 | 0.925 (0.912 - 0.935) |
Sit-down | 218 | 7.5 (3.0, 14.0) | 6.1 (1.3, 13.3) | 0.119 | 0.905 (0.878 - 0.926) |
Fast casual | 111 | 5.0 (0.0, 10.0) | 4.6 (0.8, 10.5) | 0.184 | 0.871 (0.821 - 0.907) |
Fast foods | 242 | 9.0 (3.0, 22.0) | 9.3 (3.0, 19.2) | 0.082 | 0.939 (0.922 - 0.952) |
Specialty | 13 | 6.0 (0.0, 9.0) | 3.5 (0.7, 6.9) | 1.000 | 0.890 (0.700 - 0.962) |