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Table 2 Estimates of the Impact of Warning Labels on Measures of Diet Quality in the Pilot-DIET Study (N = 512)

From: Pilot randomized controlled trial testing the influence of front-of-pack sugar warning labels on food demand

Dependent Variable Proportion of High-in Sugar Products (%) Total Sugar Purchased (g) Sugar purchased per dollar spent (g / $) Total Dollar Spent ($) Total expenditure on high-in-sugar products ($)
Coefficient [Std. Error] Coefficient [Std. Error] Coefficient [Std. Error] Coefficient [Std. Error] Coefficient [Std. Error]
Constant 0.08 351.82 7.90 60.76 −4.92
[0.04] [179.93] [1.77] [13.44] [4.82]
Stop Sign Label −0.02 48.91 0.51 2.35 0.61
[0.02] [65.44] [0.645] [4.89] [1.75]
Warning Label −0.04 *** 26.18 0.36 2.01 −1.61
[0.02] [64.55] [0.64] [4.82] [1.73]
Age (years) 0.00 10.50 *** 0.03 0.79 *** 0.27 ***
[0.00] [2.60] [0.03] [0.19] [0.07]
BMI (kg/m2) 0.01 *** 10.20 * 0.10 * −0.15 0.58 ***
[0.00] [5.82] [0.06] [0.44] [0.16]
Female 0.02 −88.05 −1.50 *** −2.39 2.22
[0.01] [56.00] [0.55] [4.18] [1.50]
Chinese −0.03 * − 196.51 ** − 2.45 *** − 0.60 −3.12
[0.02] [77.35] [0.76] [5.78] [2.07]
Primary grocery Purchaser −0.01 −47.61 0.35 −3.24 −0.68
[0.02] [62.21] [0.61] [4.65] [1.67]
Has Children 0.01 −7.07 −0.12 1.29 −1.36
[0.02] [60.95] [0.60] [4.55] [1.63]
  1. * P < 0.1, ** P < 0.05, *** P < 0.01