OBJECTIVE To assess the ability of a semiquantitative food frequency questionnaire (FFQ) to measure calcium and bone-related nutrient intakes in a rural South Dakota population. DESIGN Intake estimates from FFQ were compared with four 24-hour recalls obtained quarterly during the preceding year. SUBJECTS Convenience sample of 100 participants of the South Dakota Rural Bone Health Study were...

Background: Adequate dietary calcium intake favours bone mineral accrual. Sparse published data are available on dietary calcium intake of metropolitan city population from south India. Methods: We recorded the dietary intake of calcium and phytates of 524 healthy subjects from Bengaluru, a metropolitan city, by recalling the diet consumed in the previous 5 to 7 days and compared it with dietar...

Calcium accounts for 1-2 % of adult human body weight. Over 99 % of total body Ca is found in the teeth and bones. Therefore, in addition to the obvious structural role of the skeleton, it also serves as a reservoir for Ca. Dietary Ca intake has an important impact on bone metabolism and bone health. Chronic Ca deficiency resulting from inadequate intake or poor intestinal absorption is one of ...

BACKGROUND Calcium intake may be important for bone health, but its effects on other outcomes, including cardiovascular disease (CVD) and cancer, remain unclear. Recent reports of adverse cardiovascular effects of supplemental calcium have raised concerns. OBJECTIVE We investigated associations of supplemental, dietary, and total calcium intakes with all-cause, CVD-specific, and cancer-specif...

BACKGROUND & AIMS Osteopenia and increased risk for fractures in IBD result from several factors. AIM OF THE STUDY To investigate the dietary intake of calcium in IBD patients. METHODS A 22-item quantitative validated frequency food questionnaire was used for quantifying dietary calcium in relation to gender and age, in 187 IBD patients, 420 normal- and 276 diseased controls. STATISTICAL ...

Background and Purpose—Although it has been hypothesized that a high intake of dietary calcium may reduce the risk of cardiovascular disease (CVD), no prospective studies have been conducted to examine the specific association between calcium intake and incidence of stroke or coronary heart disease among Japanese with a low average calcium intake. Methods—To investigate the association between ...

BACKGROUND Interventions other than medications in the management of osteoporosis are often overlooked. The purpose of this study was to investigate the association of physical activity and calcium intake with bone parameters. METHODS We measured the heel T-score and stiffness index (SI) in 1890 pre- and postmenopausal women by quantitative ultrasound (QUS) and assessed physical activity and ...

Dietary data from a prospective study were used to relate factors influencing calcium balance (estimates of dietary calcium intake, protein intake from nondairy animal sources (meat, fish, and eggs), and coffee consumption) to the incidence of hip fracture. During the years 1977-1983, women and men born between 1925 and 1940 and living in one of three Norwegian counties were invited to a cardio...

Two to 20% of ingested oxalate is absorbed in the gastrointestinal tract of healthy humans with a daily 800 mg calcium intake. Calcium is the most potent modifier of the oxalate absorption. Although this has been found repeatedly, the exact correlation between calcium intake and oxalate absorption has not been assessed to date. Investigated was oxalate absorption in healthy volunteers applying ...