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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.