Table 3.
Odds ratio of having metabolic syndrome by tertiles of dietary calcium intake among non-diabetic adults (n 3404) aged 18–75 years from the Victorian Health Monitor survey, May 2009–April 2010
| Crude OR | Model 1 | Model 2 | ||||
|---|---|---|---|---|---|---|
| COR | 95 % CI | AOR | 95 % CI | AOR | 95 % CI | |
| Ca intake, continuous (500 mg/d) | 0·74 | 0·62, 0·89 | 0·75 | 0·61, 0·91 | 0·81 | 0·66, 1·06 |
| P value | 0·002 | 0·004 | 0·141 | |||
| Ca tertile | ||||||
| Low Ca (579 mg/d)† | Ref. | Ref. | Ref. | |||
| Medium Ca (858 mg/d)† | 0·71* | 0·56, 0·90 | 0·73* | 0·56, 0·96 | 0·92 | 0·63, 1·33 |
| High Ca (1233 mg/d)† | 0·61* | 0·46, 0·81 | 0·63* | 0·46, 0·86 | 0·83 | 0·56, 1·21 |
| P value for trend | 0·002 | 0·012 | 0·613 | |||
COR, crude odds ratio; AOR, adjusted odds ratio; Ref., lowest Ca tertile served as the reference group.
Model 1: adjusted for age, gender, country of birth, income, education, smoking and season.
Model 2: adjusted for model 1 covariates plus energy intake, physical activity level, body weight, alcohol, dietary fibre, Mg and 25-hydroxyvitamin D concentration.
*
Significant in comparison to reference group at 5 % significance level.
†
Median of the tertile group.