Table 1.
Baseline relationships between body mass index and potential confounders.
| Body mass index, kg/m2 |
P-valuea | Body mass index, kg/m2 |
P-valuea | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ≤18.5 |
18.6–21.9 |
22.0–24.9 |
25.0–29.9 |
≥30.0 |
≤18.5 |
18.6–21.9 |
22.0–24.9 |
25.0–29.9 |
≥30.0 |
|||
| Men | Women | |||||||||||
| Number of subjects | 190 | 1533 | 1725 | 932 | 64 | 365 | 2272 | 2567 | 1569 | 187 | ||
| Age, years | 59.6 (13.4) | 55.3 (12.5) | 54.9 (11.5) | 53.3 (11.0) | 53.3 (11.5) | <0.01 | 55.2 (14.6) | 53.3 (12.2) | 55.8 (10.2) | 56.8 (9.6) | 55.4 (9.1) | <0.01 |
| Systolic blood pressure, mm Hg | 123.6 (20.7) | 126.6 (19.8) | 132.1 (19.9) | 138.2 (19.9) | 145 (20.1) | <0.01 | 118.3 (20.5) | 122.4 (19.9) | 129.3 (20.1) | 135.3 (20.5) | 140.6 (21.5) | <0.01 |
| Serum cholesterol concentration | ||||||||||||
| Total cholesterol, mg/dL | 171.6 (30.8) | 178.3 (33.2) | 187.2 (33.0) | 193.7 (34.8) | 202.2 (36.9) | <0.01 | 186.4 (35.5) | 191.5 (34.5) | 197.9 (34.2) | 204.5 (34.3) | 206.1 (34.4) | <0.01 |
| High-density lipoprotein cholesterol, mg/dL | 55.3 (15.5) | 52.4 (13.3) | 48 (13.0) | 43.8 (11.5) | 40.9 (11.6) | <0.01 | 58.6 (13.3) | 55.6 (12.4) | 51.8 (12.2) | 48.9 (11.3) | 47.2 (10.9) | <0.01 |
| Triglycerides, mg/dL | 88.5 (58.4) | 103.5 (72.7) | 130.8 (80.1) | 167.1 (101.3) | 221.5 (150.5) | <0.01 | 83.0 (43.8) | 91.6 (48.4) | 111.8 (63.7) | 135.7 (85.5) | 150.5 (89.2) | <0.01 |
| Diabetes mellitus,b % | 4.2 | 4.2 | 4.4 | 5.1 | 7.8 | 0.57 | 1.7 | 1.4 | 1.6 | 2.1 | 9.6 | <0.01 |
| Current smoker, % | 62.2 | 57.4 | 47.2 | 44.8 | 45.8 | <0.01 | 8.5 | 6.9 | 4.2 | 4.9 | 8.1 | <0.01 |
| Current alcohol drinker, % | 65.2 | 76.4 | 76.9 | 74.9 | 56.6 | <0.01 | 32.4 | 33.2 | 34.9 | 33.5 | 30.7 | 0.61 |
Data are expressed as mean (standard deviation) or percentage of participants.
a
P values were calculated using one-way analysis of variance or the chi-square test for variables.
b
Fasting blood glucose level ≥126 mg/dL or casual blood glucose level ≥200 mg/dL, or history of use of diabetic medication.