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Table 3 Summary of annual price promotion experienced by households in the sample, by household characteristics and region

From: Are price discounts on sugar-sweetened beverages (SSB) linked to household SSB purchases? – a cross-sectional study in a large US household and retail scanner database

  Annual Promotion Frequency a, Mean (STD) Annual Promotion Magnitude b, Mean (STD)
Overall 0.444 (0.238) 0.046 (0.021)
Household size
 1 Member 0.429 (0.234) 0.045 (0.021)
 2 Members 0.437 (0.243) 0.045 (0.022)
 3/4 Members 0.466 (0.235) 0.048 (0.020)
 5+ Members 0.463 (0.233) 0.048 (0.021)
Household Income
  < $25,000 0.421 (0.231) 0.045 (0.021)
 $25,000 - $34,000 0.441 (0.239) 0.046 (0.020)
 $35,000 - $49,000 0.438 (0.231) 0.046 (0.020)
 $50,000 - $69,000 0.445 (0.237) 0.046 (0.021)
 $70,000 - $99,000 0.452 (0.242) 0.046 (0.022)
 ≥ $100,000  0.453 (0.245) 0.047 (0.021)
Income per capita
  ≤ $15,000 0.438 (0.234) 0.046 (0.020)
 $15,001 - $30,000 0.449 (0.237) 0.046 (0.021)
 $30,001 - $50,000 0.446 (0.240) 0.046 (0.022)
  ≥ $50,000 0.436 (0.243) 0.045 (0.021)
Male head age
  < 35 Years 0.463 (0.228) 0.048 (0.019)
 35–54 Years 0.460 (0.237) 0.047 (0.021)
 55+ Years 0.434 (0.241) 0.045 (0.022)
 No Male Head 0.438 (0.237) 0.046 (0.021)
Female head age
  < 35 Years 0.466 (0.223) 0.048 (0.019)
 35–54 Years 0.454 (0.241) 0.047 (0.022)
 55+ Years 0.434 (0.240) 0.045 (0.021)
 No Female Head 0.434 (0.235) 0.046 (0.020)
Male head education
 High School or Less 0.435 (0.244) 0.045 (0.023)
 Some College 0.452 (0.229) 0.047 (0.020)
 College Grad 0.448 (0.241) 0.046 (0.021)
 No Male Head 0.438 (0.237) 0.046 (0.021)
Female head education
 High School or Less 0.433 (0.242) 0.045 (0.022)
 Some College 0.449 (0.236) 0.047 (0.021)
 College Grad 0.448 (0.239) 0.046 (0.021)
 No Female Head 0.434 (0.235) 0.046 (0.020)
Male head occupation
 White Collar 0.458 (0.240) 0.047 (0.021)
 Blue Collar 0.443 (0.240) 0.046 (0.022)
 Other 0.431 (0.235) 0.045 (0.021)
 No Male Head 0.438 (0.237) 0.046 (0.021)
Female head occupation
 White Collar 0.448 (0.237) 0.046 (0.021)
 Blue Collar 0.447 (0.242) 0.046 (0.023)
 Other 0.441 (0.240) 0.046 (0.021)
 No Female Head 0.434 (0.235) 0.046 (0.020)
Presence of children
 No 0.437 (0.239) 0.045 (0.021)
 Yes 0.470 (0.234) 0.048 (0.020)
Race
 White 0.437 (0.238) 0.045 (0.022)
 Black 0.482 (0.245) 0.050 (0.019)
 Other 0.474 (0.232) 0.049 (0.018)
Hispanic origin
 No 0.442 (0.239) 0.046 (0.021)
 Yes 0.476 (0.222) 0.049 (0.018)
Region
 New England 0.241 (0.240) 0.030 (0.024)
 Middle Atlantic 0.428 (0.247) 0.044 (0.020)
 East North Central 0.466 (0.200) 0.048 (0.019)
 West North Central 0.467 (0.275) 0.041 (0.036)
 South Atlantic 0.387 (0.279) 0.043 (0.020)
 East South Central 0.394 (0.199) 0.047 (0.018)
 West South Central 0.508 (0.203) 0.051 (0.015)
 Mountain 0.494 (0.190) 0.049 (0.018)
 Pacific 0.498 (0.213) 0.051 (0.015)
Metropolitan/urban/rural3
 Metropolitan 0.452 (0.238) 0.047 (0.020)
 Urban and Rural 0.364 (0.230) 0.038 (0.025)
  1. aAnnual promotion frequency was calculated as: \( \frac{Weeks\ experiencing\ge 5\% magnitude\ of\ price\ promotion\ for\ the\ household}{Number\ of\ weeks\ in\ 2016} \).
  2. bAnnual promotion magnitude was calculated as: \( \frac{\sum_{i=1}^{number\ of\ weeks\ in\ 2016} Promotion\ magnitude\ for\ the\ household\ in\ week\ i}{Number\ of\ weeks\ in\ 2016} \).
  3. cMetropolitan: population more than 250,000; Urban and rural: population less than 250,000.