TABLE 1.
Characteristics of study participants of the Framingham Original Cohort at baseline (1988–1989)
| Descriptive variables | Total (n=807) |
Men (n=298) |
Women (n=509) |
|---|---|---|---|
| Age (years) | 75±4.8b | 75±4.8 | 75±4.8 |
| Height (in)c | 63.7±3.7 | 67.1±2.7 | 61.6±2.6 |
| Weight (lbs)c | 154±32.0 | 174±28.3 | 142±27.9 |
| BMI (kg/m2)c | 26.7±4.63 | 27.2±3.99 | 26.4±4.95 |
| Education (%) | |||
| No high school diploma | 29 | 30 | 28 |
| High school diploma | 37 | 34 | 38 |
| Higher education | 34 | 36 | 34 |
| Smoking status (%) | |||
| Current smokers | 10 | 7 | 11 |
| Former/Never smokers | 90 | 93 | 89 |
| Physical Activity Index (PAI)c | 33.5±5.51 | 33.9±6.19 | 33.3±5.05 |
| History of falls in past year (%) | 23 | 22 | 23 |
| Total energy (kcal/day) | 1750±584.9 | 1871±623.1 | 1680±549.8 |
| Total calcium intake (mg/day)d | 819±436.7 | 770±401.0 | 848±454.3 |
| Total vitamin D intake (IU/day)d | 330±265.8 | 322±279.1 | 335±257.9 |
| Total protein intake (g/day) | 69±23.9 | 70±23.8 | 69±24.0 |
| Animal protein | 46±19.1 | 46±18.5 | 46±19.5 |
| Plant protein | 23±8.8 | 24±9.6 | 22±8.3 |
a
Sample sizes varied from 290 to 298 for men and from 496 to 509 for women
b
Mean±SD
c
For subjects missing height, weight, BMI, and PAI values at baseline (1988–1989), values from previous exam (1986–1987) were used
d
Total nutrient intake = Dietary intake + Intake from supplements