Table 1 Baseline characteristics of the study sample.
From: NHANES cross sectional study of aspirin and fractures in the elderly
Variables | Category | Gender | Fracture | ||
|---|---|---|---|---|---|
Male: 3484(48.9%) | Female: 3648(51.1%) | Yes: 597(13.7%) | No: 6175(86.3%) | ||
Frequency (Percentage) /Mean ± Standard deviation | Frequency (Percentage) /Mean ± Standard deviation | Frequency (Percentage) /Mean ± Standard deviation | Frequency (Percentage) /Mean ± Standard deviation | ||
Age | 64.89 ± 9.1 | 64.60 ± 9.2 | 65.82 ± 9.36 | 64.58 ± 9.20 | |
Race/Hispanic origin | Mexican American | 379(5.3%) | 361(5.1%) | 72(1.0%) | 668(9.4%) |
Other Hispanic | 317(4.4%) | 375(5.3%) | 87(1.2%) | 605(8.5%) | |
Non-Hispanic White | 1443(20.2%) | 1443(20.2%) | 548(7.7%) | 2411(33.8%) | |
Non-Hispanic Black | 885(12.4%) | 889(12.5%) | 177(2.5%) | 1597(22.4%) | |
Other Race – Including (Multi-Racial) | 460(6.4%) | 507(7.1%) | 91(1.3%) | 876(12.3%) | |
Country of Birth | Born in 50 US states or Washington, DC | 2518(35.3%) | 2587(36.3%) | 808(11.3%) | 4297(60.2%) |
Born in Mexico | 966(13.5%) | 1057(14.8%) | 167(2.3%) | 1856(26.0%) | |
Refused | 0 | 4(0.1%) | 0(0%) | 4(0.1%) | |
Educational level | Less than 9th grade | 385(5.4%) | 357(5.0%) | 87(1.2%) | 655(9.2%) |
9-11th grade (Includes 12th grade with no diploma) | 455(6.4%) | 411(5.8%) | 103(1.4%) | 763(10.7%) | |
High school graduate/GED or equivalent | 842(11.8%) | 910(12.8%) | 248(3.5%) | 1504(21.1%) | |
Some college or AA degree | 940(13.2%) | 1159(16.3%) | 340(4.8%) | 1759(24.7%) | |
College graduate or above | 855(12.0%) | 806(11.3%) | 197(2.8%) | 1464(20.5%) | |
Refused | 0(0.0%) | 1(0.0%) | 0(0.0%) | 1(0.0%) | |
Don't know | 7(0.1%) | 4(0.4%) | 0(0.0%) | 11(0.2%) | |
Ratio of family income to poverty* | 2.5 or below 2.6 and above | 1632(26.3%) 1795(28.9%) | 1405(22.7%) 1371(22.1%) | 500(8.1%) 365(5.9%) | 2927(47.2%) 2411(38.9%) |
Body mass index | 29 ± 5.9 | 30.49 ± 7.8 | 29.83 ± 6.88 | 29.75 ± 7.04 | |
Total protein (g/dL) ** | 7.09 ± 0.46 | 7.06 ± 0.48 | 70.2407 ± 4.79660 | 70.88 ± 4.74 | |
cigarettes smoked per day*** | 18.71 ± 16.19 | 14.52 ± 14.07 | 19.62 ± 16.5 | 16.68 ± 15.3 | |
Triglycerides (mg/dL) ** | 155.82 ± 127.8 | 143.58 ± 84.25 | 114.68 ± 62.9 | 118.26 ± 95.8 | |
Cholesterol (mmol/L) ** | 4.67 ± 1.1 | 5.15 ± 1.09 | 188.8 ± 43.3 | 190.4843.5 | |
Total spine BMD**** | 1.053 ± 0.17 | 0.95 ± 0.16 | 0.974 ± 0.17 | 1.0004 ± 0.17 | |
Total femur BMD***** | 0.99 ± 0.14 | 0.85 ± 0.14 | 0.8967 ± 0.17 | 0.9325 ± 0.15 | |
Creatinine (mg/dL) ** | 1.1 ± 0.7 | 0.84 ± 0.48 | 1.0059 ± 0.7 | 0.9728 ± 0.60 | |
Phosphorus (mg/dL) ** | 3.5 ± 0.5 | 3.78 ± 0.54 | 3.67 ± 0.61 | 3.64 ± 0.5 | |
Osmolality (mmol/Kg) ** | 282.3 ± 5.93 | 282.1 ± 85.7 | 281.9 ± 6.2 | 282.2 ± 5.7 | |
Total calcium (mg/dL) ** | 9.32 ± 0.38 | 9.40 ± 0.40 | 2.33 ± 0.10 | 2.34 ± 0.09 | |
Bicarbonate (mmol/L) ** | 25.7 ± 2.4 | 25.78 ± 2.36 | 25.67 ± 2.4 | 25.77 ± 2.41 | |
Weight (kg) | 86.86 ± 20.26 | 76.96 ± 21.19 | 82.9 ± 22.087 | 81.61 ± 21.20 | |
Standing Height (cm) | 172.72 ± 7.67 | 158.68 ± 6.92 | 166.36 ± 10.58 | 165.41 ± 10.04 | |
Upper Leg Length (cm)& | 40.33 ± 3.12 | 35.99 ± 3.04 | 38.42 ± 3.89 | 38.09 ± 3.7 | |
Upper Arm Length (cm)&& | 39.11 ± 2.45 | 35.90 ± 2.37 | 37.80 ± 2.98 | 37.43 ± 2.88 | |
Arm Circumference (cm)&&& | 33.53 ± 4.52 | 32.64 ± 5.46 | 33.0324 ± 5.29 | 33.09 ± 5 | |
Wrist Circumference (cm)&&&& | 104.45 ± 15.10 | 100.95 ± 15.93 | 104.01 ± 16.07 | 102.4 ± 15.55 | |
