Is the development of obesogenic food environments a self-reinforcing process? Evidence from soft drink consumption

Table 2 Regression results (2SLS): Obesity, all countries

Dependent variable: Soft drink consumption, *QSD*				Dependent variable: Prevalence of obesity, *OBE*
Independent variables		Coefficient	Std. Error¹	Independent variables		Coefficient	Std. Error¹
Prevalence of obesity	OBE	2.390***	0.233	Soft drink consumption	QSD	0.069**	0.024
Soft drink price	PSD	−2.003***	0.562	Dietary energy supply	DES	2.913***	0.667
Income per capita	GNI	0.737***	0.157	Urban population	URB	0.389***	0.042
Population aged 65 and above	AGE	−5.212***	0.496	Population aged 65 and above	AGE	1.043***	0.075
Economic globalisation	GLO	0.348***	0.089	Economic globalisation	GLO	−0.045*	0.017
N. of obs.	1440			N. of obs.	1440
F-statistic, F(5, 1339)	53.85, Prob. 0.000			F-statistic, F(5, 1339)	304.70, Prob. 0.000
Underidentification test	188.60, P-val. 0.000			Underidentification test	66.89, P-val. 0.000
Weak identification test	497.31			Weak identification test	63.32
Sargan-Hansen J statistic	0.077, P-val. 0.782			Sargan-Hansen J statistic	0.049, P-val. 0.824

Notes: 2SLS: Two-stage least square estimation, with fixed effects
¹ Heteroskedasticity-robust standard errors. *, ** and *** denote p < 0.05, p < 0.01 and p < 0.001, respectively
Underidentification test (Kleibergen-Paap rk LM statistic), Weak identification test (Cragg-Donald Wald F statistic),
Sargan-Hansen J statistic (overidentification test of all instruments)

ISSN: 1744-8603