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Table 2 PPVs for all food outlets, food outlets by type, and all food outlets across urban/rural divides and socio-economic status quintiles

From: Comparing the accuracy of two secondary food environment data sources in the UK across socio-economic and urban/rural divides

Food outlet category PPV (%)a 95% CI 95% CI for difference
All Food Outlets 74.9 (REF) 0.730, 0.768 REF
Café/Coffee Shop 76.2 0.701, 0.817 −0.072, 0.046
Convenience 57.9** 0.529, 0.628 0.118, 0.222
Restaurant 82.6** 0.797, 0.852 −0.109, -0.043
Specialist Stores 68.3* 0.618, 0.744 0.002, 0.130
Supermarket 76.3 0.664, 0.845 −0.102, 0.074
Takeaway 78.4 0.741, 0.823 −0.079, 0.009
Urban/Rural    
Urban 74.6 (REF) 0.723, 0.768 REF
Rural 74.2 0.705, 0.776 −0.037, 0.045
SES Quintiles    
SES-1 (Least Deprived) 71.8 (REF) 0.656, 0.775 REF
SES-2 72.7 0.670, 0.778 −0.087, 0.069
SES-3 74.2 0.704, 0.778 −0.093, 0.044
SES-4 77.1 0.732, 0.806 −0.121, 0.015
SES-5 (Most Deprived) 72.1 0.680, 0.760 −0.073, 0.066
  1. a Significant difference (Fisher’s Exact, **p<0.001, *p<0.05) between food outlet category/area type and reference category (REF) within food outlet category/area type.