Table 1.
Baseline characteristics of 14,916 participants by the number of abnormal metabolic syndrome components in the Third National Health and Nutrition Examination Survey, 1988–1994
| Characteristics | No. of abnormal metabolic syndrome components | |||
|---|---|---|---|---|
|
| ||||
| 0–2 (n=10,468) | 3 (n=2,452) | 4 (n=1,460) | 5 (n=536) | |
| Mean (SD) | ||||
| Age (year) | 39.7 (18) | 50.4 (18) | 56.2 (16) | 61.6 (13) |
| Waist circumference (cm) | 87.0 (13) | 102.1(12) | 107.7(12) | 109.3 (11) |
| Systolic blood pressure (mmHg) | 117.2 (17) | 131.0 (20) | 137.3 (19) | 146.1 (15) |
| Serum triglycerides (mg/dl) | 108.8 (66) | 204 (132) | 246.0 (130) | 289 (155) |
| Serum HDL cholesterol (mg/dl) | 53.5 (15) | 43.5 (13) | 39.7 (11) | 36.6 (7) |
| Serum glucose (mg/dl) | 90.4 (21) | 104 (44) | 117 (55) | 151.4 (71) |
| N (%)a | ||||
| Sex | ||||
| Male | 5122 (74.5) | 1151 (14.5) | 669 (8.6) | 204 (2.3) |
| Female | 5346 (75.3) | 1301 (14.0) | 791 (7.7) | 332 (3.0) |
| Race | ||||
| Non-Hispanic White | 4107 (74.0) | 1055 (14.5) | 706 (8.5) | 282 (3.0) |
| Non-Hispanic Black | 3086 (78.5) | 585 (13.4) | 284 (6.4) | 85 (1.8) |
| Mexican-American | 2822 (73.5) | 722 (16.0) | 419 (8.1) | 157 (2.5) |
| Other race | 453 (79.6) | 90 (12.1) | 51 (7.0) | 12 (1.2) |
| Educationb | ||||
| Never been to school | 192 (65.6) | 86 (16.8) | 74 (11.4) | 32 (6.2) |
| Less than High school | 1819 (61.3) | 610 (19.6) | 417 (14.4) | 169 (4.7) |
| High school education | 5133 (73.0) | 1160 (14.8) | 667 (9.1) | 244 (3.2) |
| College education | 2645 (80.6) | 477 (12.4) | 236 (5.3) | 73 (1.7) |
| Graduate education | 613 (80.6) | 108 (11.7) | 62 (6.3) | 17 (1.4) |
| Cigarette Smoking | ||||
| Never | 5398 (71.9) | 1136 (15.1) | 706 (9.4) | 265 (3.5) |
| Former | 2884 (75.3) | 597 (15.6) | 269 (7.0) | 78 (2.0) |
| Current | 2186 (61.0) | 719 (20.1) | 485 (13.5) | 193 (5.4) |
| Alcohol Consumptionc | ||||
| No alcohol | 4870 (67.9) | 1458 (17.1) | 945 (11.0) | 378 (4.0) |
| 1–2 drinks/day | 5295 (80.1) | 942 (12.2) | 494 (6.0) | 149 1.7) |
| 3–4 drinks/day | 235 (84.6) | 38 (9.5) | 15 (4.5) | 4 (1.4) |
| >4 drinks/day | 68 (86.9) | 14 (6.7) | 6 (2.9) | 5 (3.4) |
a
Percentages were calculated by using sample weights to report estimates that would be representative of the U.S. population.
b
Eighty-two participants had missing data on education.
c
In the NHANES, one drink was defined as 10 gram pure ethanol that is equivalent to 12 ounces of beer, 4 ounces of wine or 1 ounce of hard liquor [53].