Table 1.
Characteristics of People by CAL Quartile.
| Proportion CAL ≥ 3 mm, Quartile | |||||
|---|---|---|---|---|---|
| Characteristic a | Overall (N = 3,736) | 1 (n = 934) | 2 (n = 934) | 3 (n = 934) | 4 (n = 934) |
| Sex: female | 2,156 (57.7) | 539 (57.7) | 539 (57.7) | 539 (57.7) | 539 (57.7) |
| Age, y | 58.16 (13.22) | 58.16 (13.23) | 58.16 (13.23) | 58.16 (13.23) | 58.16 (13.23) |
| BMI | 30.57 (7.18) | 30.97 (7.22) | 30.48 (6.66) | 30.61 (7.50) | 30.21 (7.31) |
| Ethnicity | |||||
| White | 1,723 (46.1) | 540 (57.8) | 435 (46.6) | 399 (42.7) | 349 (37.4) |
| Other race | 2,013 (53.9) | 394 (42.2) | 499 (53.4) | 535 (57.3) | 585 (62.6) |
| Household income, quintile | |||||
| 5 | 887 (26.3) | 331 (38.4) | 238 (28.1) | 194 (23.0) | 124 (15.0) |
| 4 | 703 (20.8) | 184 (21.4) | 189 (22.3) | 182 (21.6) | 148 (17.9) |
| 3 | 740 (21.9) | 167 (19.4) | 175 (20.7) | 194 (23.0) | 204 (24.7) |
| 2 | 517 (15.3) | 101 (11.7) | 120 (14.2) | 135 (16.0) | 161 (19.5) |
| 1 | 530 (15.7) | 78 (9.1) | 125 (14.8) | 138 (16.4) | 189 (22.9) |
| Systolic blood pressure | 128.27 (18.44) | 127.06 (17.54) | 126.89 (17.93) | 128.15 (18.53) | 130.98 (19.43) |
| Diastolic blood pressure | 71.03 (13.48) | 71.46 (13.10) | 70.94 (12.95) | 70.74 (13.44) | 70.99 (14.40) |
| Smoker | 1,770 (47.4) | 380 (40.7) | 391 (41.9) | 479 (51.3) | 520 (55.8) |
| Condition | |||||
| Angina | 112 (3.0) | 29 (3.1) | 30 (3.2) | 31 (3.3) | 22 (2.4) |
| Arthritis | 1,775 (47.6) | 452 (48.5) | 465 (49.8) | 443 (47.5) | 415 (44.6) |
| Bronchitis | 309 (8.3) | 57 (6.1) | 73 (7.8) | 97 (10.4) | 82 (8.8) |
| Cancer | 592 (15.9) | 171 (18.3) | 148 (15.8) | 145 (15.5) | 128 (13.7) |
| CHD | 168 (4.5) | 42 (4.5) | 44 (4.7) | 35 (3.8) | 47 (5.0) |
| CHF | 131 (3.5) | 26 (2.8) | 26 (2.8) | 40 (4.3) | 39 (4.2) |
| Diabetes | 784 (21.8) | 174 (19.4) | 172 (19.2) | 205 (23.0) | 233 (25.6) |
| Emphysema | 84 (2.3) | 12 (1.3) | 16 (1.7) | 29 (3.1) | 27 (2.9) |
| Heart attack | 184 (4.9) | 42 (4.5) | 42 (4.5) | 42 (4.5) | 58 (6.2) |
| Hypertension | 2,383 (63.9) | 599 (64.2) | 583 (62.6) | 577 (61.8) | 624 (66.9) |
| Liver | 239 (6.4) | 58 (6.2) | 57 (6.1) | 64 (6.9) | 60 (6.4) |
| Obese | 1,696 (45.9) | 438 (47.5) | 435 (46.9) | 418 (45.2) | 405 (43.9) |
| Osteoporosis | 265 (11.0) | 63 (9.9) | 77 (12.7) | 75 (12.5) | 50 (8.7) |
| Stroke | 193 (5.2) | 54 (5.8) | 38 (4.1) | 43 (4.6) | 58 (6.2) |
| Thyroid | 704 (18.9) | 203 (21.8) | 173 (18.6) | 179 (19.2) | 149 (16.0) |
Values are presented as No. (%) for categorial values and mean (SD) for continuous values.
BMI, body mass index; CAL, clinical attachment loss; CHD, coronary heart disease; CHF, congestive heart failure.
a
Means and percentages are calculated for variables excluding missing data. There were missing data in the following variables: BMI (1.0%), blood pressure (3.0%), household income (9.6%), smoking (0.1%), diabetes (3.8%), hypertension (0.1%), arthritis (0.2%), CHF (0.2%), CHD (0.4%), angina (0.3%), heart attack (0.1%), stroke (0.1%), emphysema (0.1%), bronchitis (0.2%), liver disease (0.2%), thyroid disease (0.3%), osteoporosis (35.4%), and obesity (1.0%).