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Baseline characteristics of the supplemented and placebo groups |
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| Characteristics |
Supplemented group (n 456) |
Placebo group (n 454) |
|
|
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| Age in years: median (interquartile range) |
72 (68.0 – 76.0) |
71 (68.0 – 76.0) |
| Body mass index in kg/m2: mean (SD) |
28.2 (4.2) |
27.9 (4.1) |
| Women: n (%) |
217 (48) |
214 (47) |
| Current smoker: n (%) |
57 (13) |
63 (14) |
| Past or present hypertension: n (%) |
188 (41) |
172 (38) |
| Past or present heart disorders: n (%) |
137 (30) |
130 (29) |
| Past or present chest disorders: n (%) |
86 (19) |
87 (19) |
| Past or present diabetes: n (%) |
37 (8) |
42 (9) |
| Past or present cancer: n (%) |
46 (10) |
46 (10) |
| Past or present cerebrovascular disease: n (%) |
31 (7) |
22 (5) |
| At risk of iron, folate, vitamin C or vitamin D deficiency: n (%) |
145 (32) |
117 (26) |
McNeill et al. Nutrition Journal 2007 6:10 doi:10.1186/1475-2891-6-10 |
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