Table 2.

Comparison of the FFQ and SDQ-AMD in terms of average serves consumed per day, stratified by age (<80 years, n = 86; ≥80 years, n = 69).

Food Group	Age (years)	FFQ Daily Mean Intake (SD)	SDQ-AMD Daily Mean Intake (SD)	Correlation Coefficient *	p-Value **
Fruits	<80	1.79 (1.72)	1.84 (1.06)	0.19	0.08
	≥80	1.87 (2.80)	1.79 (1.07)	0.33	0.01
Vegetables	<80	3.20 (1.92)	2.25 (1.32)	0.15	0.18
	≥80	3.09 (2.07)	1.91 (1.10)	0.09	0.45
Dark green leafy	<80	0.11 (0.15)	0.16 (0.24)	0.18	0.09
vegetables	≥80	0.12 (0.17)	0.16 (0.29)	0.31	<0.01
Red meat	<80	0.37 (0.35)	0.28 (0.22)	0.16	0.13
	≥80	0.37 (0.27)	0.36 (0.23)	0.31	<0.01
Processed meat	<80	0.32 (0.35)	0.17 (0.23)	0.28	<0.01
	≥80	0.37 (0.40)	0.19 (0.23)	0.01	0.93
White Meat	<80	0.29 (0.35)	0.26 (0.18)	0.29	<0.01
	≥80	0.25 (0.22)	0.23 (0.19)	0.14	0.24
Fish/Seafood	<80	0.33 (0.28)	0.28 (0.29)	0.35	<0.001
	≥80	0.38 (0.35)	0.24 (0.17)	0.58	<0.0001
Eggs	<80	0.35 (0.25)	0.46 (0.33)	0.32	<0.01
	≥80	0.29 (0.28)	0.37 (0.27)	0.50	<0.0001
Legumes	<80	0.14 (0.24)	0.11 (0.17)	0.27	0.01
	≥80	0.11 (0.18)	0.10 (0.14)	0.07	0.57
Nuts	<80	0.65 (1.00)	0.55 (0.57)	0.48	<0.0001
	≥80	0.62 (1.02)	0.37 (0.49)	0.54	<0.0001
Low GI	<80	1.51 (1.50)	1.01 (0.86)	0.27	0.01
	≥80	1.34 (1.02)	1.16 (0.74)	0.50	<0.0001
High GI	<80	0.42 (0.54)	0.30 (0.49)	0.24	0.02
	≥80	0.56 (0.72)	0.36 (0.56)	0.36	<0.01
Biscuits and cakes, ice cream, sugary drinks, takeaway, processed potato	<80	2.01 (1.47)	1.10 (0.82)	0.43	<0.0001
	≥80	2.47 (1.63)	1.34 (1.18)	0.26	0.03
Water	<80	5.58 (2.19)	4.86 (2.58)	0.11	0.32
	≥80	5.71 (1.83)	4.31 (2.06)	0.46	<0.0001
Alcohol	<80	0.89 (1.69)	0.65 (1.40)	0.84	<0.0001
	≥80	0.69 (1.01)	0.47 (0.82)	0.81	<0.0001

* Correlation coefficients <0.30 considered negligible [49] ** Significance indicated by p-value < 0.05. FFQ: food frequency questionnaire. SDQ-AMD: short dietary questionnaire.