Table 1.
Awareness of Total Cholesterol, by Baseline Characteristics
| Baseline characteristics | N* | Percent known (%) | P value† | Odds ratio‡ | 95% CI |
|---|---|---|---|---|---|
| Age (yr) | |||||
| <50 | 12,874 | 82.7 | <0.001 | 1.00 | Referent |
| 50–59 | 18,379 | 84.9 | 1.04 | (0.97, 1.12) | |
| 60–69 | 7,312 | 85.4 | 1.17 | (1.06, 1.29) | |
| 70–79 | 1,251 | 85.5 | 1.23 | (1.01, 1.49) | |
| >80 | 60 | 76.7 | 0.84 | (0.42, 1.69) | |
| Race | |||||
| White | 37,480 | 84.3 | 0.09 | 1.00 | Referent |
| Hispanic | 430 | 84.0 | 1.13 | (0.85, 1.51) | |
| African American | 909 | 82.3 | 1.06 | (0.87, 1.29) | |
| Asian American | 541 | 87.3 | 1.35 | (1.00, 1.82) | |
| American Indian/Others | 176 | 80.7 | 0.92 | (0.61, 1.40) | |
| Education | |||||
| LPN/LVN | 5,554 | 78.5 | <0.001 | 1.00 | Referent |
| 2-yr associate’s degree RN | 4,499 | 83.1 | 1.09 | (0.97, 1.22) | |
| 3–yr RN diploma program | 12,402 | 85.4 | 1.26 | (1.15, 1.39) | |
| BS | 9,044 | 85.4 | 1.21 | (1.09, 1.34) | |
| MS | 5,816 | 86.7 | 1.31 | (1.16, 1.48) | |
| Doctorate/MD | 1,890 | 85.2 | 1.03 | (0.87, 1.22) | |
| Income | |||||
| <$10,000 | 342 | 68.4 | <0.001 | 1.00 | Referent |
| $10,000–19,999 | 1,802 | 76.4 | 1.36 | (1.04, 1.79) | |
| $20,000–29,999 | 3,862 | 81.0 | 1.72 | (1.32, 2.24) | |
| $30,000–39,999 | 5,375 | 83.0 | 1.95 | (1.50, 2.55) | |
| $40,000–49,999 | 6,208 | 84.5 | 2.10 | (1.61, 2.75) | |
| $50,000–99,999 | 15,324 | 86.2 | 2.28 | (1.74, 2.97) | |
| >$100,000 | 4,678 | 86.8 | 2.20 | (1.65, 2.92) | |
| Marital status | |||||
| Married | 28,360 | 85.3 | <0.001 | 1.00 | Referent |
| Single | 2,265 | 81.3 | 0.86 | (0.76, 0.97) | |
| Divorced | 5,445 | 81.1 | 0.89 | (0.82, 0.97) | |
| Widowed | 2,579 | 82.2 | 0.96 | (0.84, 1.09) | |
| Baseline history of diabetes | |||||
| No | 38,825 | 84.3 | 0.41 | 1.00 | Referent |
| Yes | 1,027 | 83.4 | 0.94 | (0.78, 1.14) | |
| Smoking status | |||||
| Never | 20,340 | 85.6 | <0.001 | 1.00 | Referent |
| Current | 5,235 | 75.4 | 0.62 | (0.57, 0.67) | |
| Past | 14,265 | 85.7 | 0.96 | (0.89, 1.02) | |
| Hypertension | |||||
| Normotensive | 29,535 | 83.7 | <0.001 | 1.00 | Referent |
| Untreated | 4,818 | 82.3 | 0.98 | (0.90, 1.07) | |
| Treated | 5,484 | 89.0 | 1.64 | (1.47, 1.82) | |
| BMI | |||||
| <25.0 | 19,849 | 84.8 | <0.001 | 1.00 | Referent |
| 25.0–<30.0 | 12,081 | 84.5 | 0.96 | (0.90, 1.03) | |
| ≥30.0 | 7,126 | 82.3 | 0.91 | (0.84, 0.99) | |
| Lipid-lowering agents | |||||
| No | 38,608 | 83.8 | <0.001 | 1.00 | Referent |
| Yes | 1,240 | 98.8 | 14.84 | (8.39, 26.28) | |
| Alcohol | |||||
| Never/rarely | 17,982 | 83.2 | <0.001 | 1.00 | Referent |
| <2 drinks/day | 20,342 | 85.5 | 1.08 | (1.02, 1.16) | |
| ≥2 drinks/day | 1,542 | 80.7 | 0.79 | (0.68, 0.92) | |
| Exercise | |||||
| Never/rarely | 15,280 | 81.4 | <0.001 | 1.00 | Referent |
| <1/week | 7,928 | 83.6 | 1.13 | (1.05, 1.23) | |
| 1-3 times/week | 12,409 | 86.8 | 1.35 | (1.26, 1.46) | |
| ≥4 times/week | 4,239 | 88.6 | 1.56 | (1.39, 1.75) | |
| HRT | |||||
| Never | 19,087 | 80.8 | <0.001 | 1.00 | Referent |
| Past | 4,084 | 83.0 | 1.18 | (1.07, 1.31) | |
| Current | 16,625 | 88.5 | 1.70 | (1.58, 1.82) | |
| Blood sample taken | |||||
| No | 11,938 | 79.9 | <0.001 | 1.00 | Referent |
| Yes | 27,938 | 86.2 | 1.44 | (1.35, 1.53) | |
C-statistic: 0.66
*Number of women in each category may not add up to total 39,876 due to missing data
†P value is from a chi-squared test
‡Odds ratios adjusted for all variables by logistic regression; 34,658 women with complete demographic information were included in the multivariable model