Table 5.

Results from the meta-regressions of calorie-, nutrient–income elasticities.

	Variables	Calorie	Nutrient
Publication	Pub_journal	0.107	−1.546 *
		(0.50)	(−11.48)
	Pub_chinese	−0.0428	−0.711 **
		(−0.26)	(−21.56)
Study area	H_region	0.128	0.0553
		(0.87)	(3.45)
Data	D_micro	−0.0791	0.171
		(−0.33)	(2.46)
	D_panel	−0.268	1.012 **
	D_time series	(−0.69)	(17.45)
		−0.946 *	1.183 **
		(−1.86)	(13.58)
Income measure	Income	−0.247	1.176 **
		(−0.99)	(−10.64)
Model and method	Model_type	−0.478	−1.187 **
		(−1.34)	(−35.57)
	Budget_stage	0.844 ***	0.623
		(3.73)	(6.14)
Types of nutrients	Fat		1.526
			(5.26)
	Vitamin		−1.216 *
			(11.57)
	Minerals		6.596
			(3.25)
Income	lnincome	−0.121 *	−0.0122
		(1.95)	(0.60)
* lnincome	Fat * lnincome		−0.0796
			(−2.36)
	Vitamin * lnincome		0.169 **
			(−54.04)
	Minerals * lnincome		−0.757
			(−3.58)
	Constant		2.261 **
			(15.00)
	Number of observations	147	153
	Number of studies	20	19
	R2	0.942	0.989

Note: t-values are given in parenthesis. * t < 0.1, ** t < 0.05, *** t < 0.01.