Table 3.

Pearson correlation coefficients between daily energy and nutrient intakes estimated with the first administration of the FFQ and the 12 d dietary record according to gender and age group among Korean adults (n 126) aged 20–65 years residing in the Seoul metropolitan area, August 2009–May 2010

	Sex				Age group
	Men (n 63)		Women (n 63)		20–45 years (n 63)		46–65 years (n 63)
Energy/nutrients	Crude	Energy-adjusted*	Crude	Energy-adjusted*	Crude	Energy-adjusted*	Crude	Energy-adjusted*
Energy	0·31	–	0·35	–	0·48	–	0·39	–
Protein	0·22†	0·13†	0·35	0·53	0·41	0·31	0·33	0·38
Fat	0·37	0·44	0·44	0·63	0·39	0·36	0·38	0·40
Carbohydrate	0·36	0·61	0·44	0·64	0·49	0·44	0·36	0·72
Ca	0·38	0·36	0·48	0·53	0·51	0·66	0·35	0·21†
P	0·28	0·39	0·38	0·52	0·43	0·59	0·32	0·27
Fe	0·28	0·32	0·39	0·38	0·42	0·54	0·27	0·07†
K	0·34	0·46	0·44	0·54	0·47	0·66	0·30	0·39
Na	0·22†	0·17†	0·36	0·32	0·33	0·23†	0·39	0·21†
Vitamin A	0·25	0·14†	0·28	0·19†	0·35	0·45	0·24†	0·06†
Thiamin	0·23†	0·04†	0·41	0·27	0·49	0·23	0·28	0·09†
Riboflavin	0·28	0·16†	0·41	0·52	0·45	0·52	0·33	0·31
Niacin	0·23†	0·24†	0·24†	0·30	0·35	0·42	0·25†	0·21†
Vitamin C	0·30	0·39	0·45	0·47	0·45	0·59	0·26	0·35

*Natural log-transformed, de-attenuated and energy-adjusted intake of nutrients by the Multiple Source Method.

All coefficients were significant except those marked with †.