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Table 6 Regression results: sugar-sweetened beverage consumption, affordability and overweight

From: Sugar-sweetened beverage affordability and the prevalence of overweight and obesity in a cross section of countries

Dependent variable: prevalence of overweight, POW
Equation (3a) Ln(·) Coefficient Std. Errora t-statistic
Per capita consumption of sugar-sweetened beverages Q 5.42** 1.31 4.13
Per capita consumption of water QW 0.61 1.04 0.59
Dietary energy supply DES 20.26** 7.06 2.87
Employment in services ESE 13.92** 3.64 3.82
Gender inequality index GII 5.53** 1.35 4.08
Number of physicians PHY 2.20** 0.79 2.79
Constant = −188.42, F-statistic = 65.61 (p < 0.01), Adj. R-squared = 0.73, n = 144
Equation (4a) Ln(·) Coefficient Std. Errora t-statistic
Sugar-sweetened beverage affordability SBA −4.09** 1.51 −2.72
(Average) Price of water PW 0.29 2.03 0.14
Dietary energy supply DES 16.21* 6.70 2.42
Employment in services ESE 15.15** 4.52 3.35
Gender inequality index GII 5.29** 1.33 3.97
Number of physicians PHY 2.95** 0.83 3.53
Constant = −135.84, F-statistic = 54.72 (p < 0.01), Adj. R-squared = 0.73, n = 120
  1. Notes: ln(·) is natural log. * and ** denote p < 0.01 and p < 0.05, respectively
  2. aWhite’s heteroskedasticity-adjusted standard errors