. Author manuscript; available in PMC: 2019 Mar 12.

Published in final edited form as: Public Health Nutr. 2018 Oct 2;22(2):212–222. doi: 10.1017/S1368980018002331

Table 2.

Daily energy and energy-adjusted^† nutrient intakes and Spearman’s correlation coefficients estimated by the three-day semi-weighed dietary records (DR) and the brief-type self-administered diet history questionnaire (BHDQ) among the eighty very old Japanese men and women (aged 80 years or older), June–August 2012 and June 2015–February 2016

		Daily intake
		DR		BDHQ
Energy/nutrient	Unit	Median	IQR	Median	IQR	Spearman’s correlation coefficient
Energy	kJ/d	7666	6516–8815	6871^*	5856–8812	0·58
Protein	g/d	72·6	66·1–76·8	73·0	67·5–80·3	0·32
Fat	g/d	57·7	51·6–62·3	55·7	49·1–61·4	0·37
SFA	g/d	16·16	12·53–18·94	15·15	13·40–17·08	0·48
MUFA	g/d	20·02	16·46–22·47	19·73	16·43–21·53	0·35
PUFA	g/d	12·55	10·31–14·41	12·66	11·00–15·10	0·43
n-6 PUFA	g/d	10·12	8·11–11·41	9·96	8·28–11·78	0·43
n-3 PUFA	g/d	2·31	1·79–2·95	2·82^***	2·42–3·26	0·37
Marine-origin n-3 PUFA^‡	g/d	0·93	0·62–1·36	0·98	0·81–1·40	0·36
EPA acid	g/d	0·29	0·17–0·44	0·33^*	0·26–0·49	0·34
DHA	g/d	0·52	0·36–0·71	0·56	0·45–0·78	0·36
α-Linolenic acid	g/d	1·24	0·93–1·53	1·61^***	1·18–1·88	0·37
Cholesterol	mg/d	331	274–399	439^***	364–517	0·36
Carbohydrate	g/d	250·1	237·6–267·4	233·6***	215·9–256·1	0·42
Total dietary fibre	g/d	15·6	12·9–19·0	14·2^**	12·3–16·4	0·42
Soluble dietary fibre	g/d	3·6	2·8–4·1	3·6	3·0–4·0	0·56
Insoluble dietary fibre	g/d	11·4	9·5–14·0	9·9^***	8·6–11·4	0·39
Alcohol	g/d	2·1	0·4–5·0	1·2^*	0·2–3·3	0·66
Retinol	μg/d	232	132–336	366^***	284–661	0·20
Vitamin A (retinol equivalents)^§	μg/d	573	430–792	808^***	598–1112	0·46
α-Carotene	μg/d	351	233–653	341	268–697	0·44
β-Carotene	μg/d	3547	2310–5307	3664	2543–5097	0·50
β-Carotene equivalents^║	μg/d	3856	2585–6135	3907	2995–5826	0·51
Cryptoxanthin	μg/d	90	45–336	353^**	133–665	0·13
Vitamin D	μg/d	8·5	5·1–11·5	16·3^***	12·8–23·4	0·28
α-Tocopherol	mg/d	8·1	7·0–9·6	8·2	7·0–9·9	0·42
Vitamin K	μg/d	207	161–338	308^***	248–444	0·54
Thiamin	mg/d	0·99	0·84–1·14	0·86^***	0·76–1·00	0·22
Riboflavin	mg/d	1·45	1·18–1·67	1·50	1·34–1·66	0·23
Niacin	mg/d	16·2	13·9–19·5	16·9	14·9–19·7	0·53
Vitamin B₆	mg/d	1·38	1·18–1·68	1·37	1·20–1·58	0·64
Vitamin B₁₂	μg/d	6·7	4·3–11·0	9·5^***	7·2–12·1	0·33
Folate	μg/d	405	337–511	416	367–491	0·39
Pantothenic acid	mg/d	6·21	5·52–7·13	7·10^***	6·40–7·67	0·46
Vitamin C	mg/d	134	107–171	152^**	121–199	0·52
Na	mg/d	3846	3162–4381	4288^***	3787–4971	0·33
K	mg/d	2901	2473–3410	2892	2586–3365	0·50
Ca	mg/d	622	514–725	652^*	550–762	0·32
Mg	mg/d	283	242–319	272	253–315	0·40
P	mg/d	1088	1011–1213	1153^**	1048–1267	0·27
Fe	mg/d	8·7	7·4–10·7	8·7	8·0–10·1	0·38
Zn	mg/d	7·9	7·4–8·5	8·2^*	7·5–9·0	0·29
Cu	mg/d	1·25	1·07–1·37	1·19	1·08–1·29	0·39
Mn	mg/d	3·78	3·18–4·99	3·94	3·18–4·26	0·48

IQR, interquartile range.

Significant differences between the DR and BDHQ:

P < 0·05,

^**

P < 0·01,

^***

P < 0·001 (Wilcoxon signed-rank test).

^†

Energy adjustment was performed according to the residual method.

^‡

Sum of EPA, DPA (docosapentaenoic acid) and DHA.

^§

Sum of retinol, β-carotene/12, α-carotene/24 and cryptoxanthin/24.

^║

Sum of β-carotene and α-carotene/2 and cryptoxanthin/2.