Calcium and vitamin D intake by postmenopausal women with osteoporosis in Spain: an observational calcium and vitamin D intake (CaVIT) study

Figures & data

Table 1 Daily vitamin D intake from food

Characteristic	Daily vitamin D intake from food
	N	Mean (SD)	<200 IU	200–400 IU	>400 IU	Pa
Overall	207	167 (87)	23%	45%	32%
Medicationsb						0.114
Bisphosphonates	93	186 (92)	60%	38%	2%
Non-bisphosphonates	70	156 (64)	74%	26%	0%
No treatment	29	148 (85)	76%	21%	3%
Age (from diet)						0.034
50–64	130	177 (77)	64%	35%	1%
65–74	43	176 (115)	67%	26%	7%
≥75	34	120 (65)	82%	18%	0%

Notes:

a P values are based on Fisher’s exact test;

b nine participants reported having taken medication but did not know what it was.

Abbreviation: SD, standard deviation.

Figure 1 Supplemental vitamin D and multivitamin use by daily dietary vitamin D intake.

Table 2 Daily calcium intake from food

Characteristic	Daily calcium intake from food
	N	Mean (SD)	<800 mg	800–1200 mg	>1200 mg	Pa
Overall	207	1239 (457)	28%	53%	19.3%
Medicationsb						0.037
Bisphosphonates	93	1365 (448)	10%	28%	62%
Non-bisphosphonates	70	1167 (432)	19%	37%	44%
No treatment	29	1054 (336)	28%	34%	38%
Age (from diet)						<0.0001
50–64	130	1314 (461)	11%	29%	60%
65–74	43	1209 (460)	19%	42%	40%
≥75	34	988 (346)	41%	32%	26%

Notes:

a P values are based on Fisher’s exact test;

b nine participants reported having taken medication but did not know what it was.

Abbreviation: SD, standard deviation.

Table 3 Contributors to dietary calcium intake

Food	Daily calcium intake
	Mean daily intake (mg)	<800 mg (n = 171)	≥800 mg (n = 36)
Dairy	477.4
Skim milk	90.9	72%	90%
Semi-cured cheese	85.1	0%	13%
Vegetables	371.3
Swiss chard, spinach	100.4	0%	30%
Endive, lettuce, escarole	80.9	22%	64%
Fruit and nuts	160.7
Almonds, walnuts, peanuts	27.7	36%	75%
Orange, grapefruit	38.6	3%	23%

Figure 2 Supplemental calcium and multivitamin use by daily dietary calcium intake.