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

Table 5 Regression results: sugar-sweetened beverage demand function

Dependent variable: sugar-sweetened beverage consumption per capita, Q
Equation (1)		Coefficient	Std. Error^a	t-statistic
(Average) Price of sugar-sweetened beverages	P	−12.49*	1.98	−6.30
Gross national income per capita	ln(YPC)	21.93*	2.27	9.68
(Average) Price of water	PW	3.32	2.89	1.15
Index of ‘Western lifestyle’	WLS	46.96*	13.48	3.48
Constant = − 135.23, F-statistic = 86.67 (p < 0.01), Adj. R-squared = 0.71, n = 150
Equation (2)		Coefficient	Std. Error^a	t-statistic
Sugar-sweetened beverage affordability	ln(SBA)	−24.11*	2.18	−11.06
(Average) Price of water	PW	−0.69	2.97	−0.23
Index of ‘Western lifestyle’	WLS	42.06*	12.52	3.36
Constant = 62.91, F-statistic = 109.08 (p < 0.01), Adj. R-squared = 0.69, n = 150

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