Table 7.

Results of independent two-tailed t tests to compare the overall calories between Organization for Economic Co-operation and Development (n=8041) and low-income countries (n=312).

Characteristics	Organization for Economic Co-operation and Development countries, mean (SD)	Low-income countries, mean (SD)	t test (df)	P value	t-value (95% CI)
Exercise	306.8 (192.2)	280.4 (190.1)	−2.4 (8351)	.02	−48.2 to −4.7
Breakfast	287.9 (110.2)	293.8 (112.0)	1.0 (8351)	.35	−6.6 to 18.4
Morning snack	179.4 (94.8)	187.4 (107.6)	1.1 (8351)	.15	−2.8 to 18.8
Lunch	414.1 (150.5)	408.6 (163.4)	−0.6 (8351)	.53	−22.5 to 11.6
Afternoon snack	224.9 (122.5)	226.6 (107.2)	1.2 (8351)	.81	−12.1 to 15.5
Dinner	461.0 (172.7)	401.9 (171.2)	−5.9 (8351)	<.001	−78.7 to −39.6
Evening snack	236.0 (123.6)	223.7 (125.0)	−1.8 (8351)	.09	−26.2 to 1.8