Table 1 The weighted characteristics of the subjects
From: The association between abdominal obesity and femoral neck bone mineral density in older adults
Men (n = 2,971) | Women (n = 2830) | P value | |
|---|---|---|---|
Age (years) | 68.4 ± 6.5 | 69.4 ± 6.9 | < 0.001 |
Race (%) | 0.156 | ||
Non-Hispanic White | 75.3 | 76.0 | |
Non-Hispanic Black | 8.6 | 9.8 | |
Mexican American | 5.3 | 4.7 | |
Other race | 10.8 | 9.5 | |
Education level (%) | < 0.001 | ||
Less than high school | 20.7 | 20.4 | |
High school | 24.8 | 29.3 | |
More than high school | 54.5 | 50.2 | |
Income-poverty ratio | 3.2 ± 1.6 | 2.9 ± 1.6 | < 0.001 |
Body mass index (kg/m2) | 28.6 ± 4.8 | 28.3 ± 5.8 | 0.038 |
Moderate recreational activities (%) | 0.105 | ||
Yes | 36.5 | 34.6 | |
No | 46.0 | 48.8 | |
Not recorded | 17.6 | 16.7 | |
Average drinks/day during past 12 months (%) | < 0.001 | ||
1 drink | 27.6 | 36.2 | |
2–4 drinks | 32.3 | 17.4 | |
More than 4 drinks | 4.9 | 0.8 | |
Not recorded | 35.3 | 45.6 | |
Average cigarette/day during past 30 days (%) | < 0.001 | ||
1–3 cigarettes | 1.4 | 1.7 | |
4–10 cigarettes | 3.4 | 3.1 | |
More than 10 cigarettes | 8.7 | 5.3 | |
Not recorded | 86.5 | 89.9 | |
Blood urea nitrogen (mmol/L) | 6.0 ± 2.3 | 5.7 ± 2.2 | < 0.001 |
Total protein (g/L) | 70.3 ± 4.6 | 69.9 ± 4.6 | < 0.001 |
Serum uric acid (umol/L) | 362.1 ± 79.5 | 309.9 ± 81.1 | < 0.001 |
Serum glucose (mmol/L) | 6.1 ± 2.1 | 5.8 ± 1.8 | < 0.001 |
Serum phosphorus (mmol/L) | 1.15 ± 0.17 | 1.25 ± 0.16 | < 0.001 |
Serum calcium (mmol/L) | 2.35 ± 0.09 | 2.37 ± 0.10 | < 0.001 |
Serum 25(OH)D (%) | < 0.001 | ||
≤ 49.9 nmol/L | 6.4 | 5.3 | |
50.0–74.9 nmol/L | 17.3 | 9.7 | |
≥ 75.0 nmol/L | 21.0 | 28.6 | |
Not recorded | 55.3 | 56.3 | |
Waist circumference (cm) | 105.2 ± 13.0 | 97.3 ± 13.5 | < 0.001 |
Femoral neck bone mineral density (mg/cm2) | 794.5 ± 134.9 | 689.0 ± 127.2 | < 0.001 |