Table 1.
Descriptive statistics for continuous variables
| Variable | Men
|
Women
|
|||||||
|---|---|---|---|---|---|---|---|---|---|
| No of participants* | Range | Mean (SD) | Median (interquartile range) | No of participants* | Range | Mean (SD) | Median (interquartile range) | ||
| Carotid intima-media thickness (mm) | 154 | 0.55-1.60 | 0.80 (0.17) | 0.76 (0.68-0.87) | 193 | 0.38-1.28 | 0.74 (0.15) | 0.72 (0.65-0.80) | |
| Cigarette smoking (pack years) | 152 | 0.1-73† | 23.7 (16.9)† | 22.1 (8.3-33.5)† | 193 | 0.1-40.5† | 16.1 (10.8)† | 16.6 (5.7-24.0)† | |
| Total energy from fat (%) | 149 | 18.7-49.4 | 33.8 (5.9) | 34.5 (29.5-38.0) | 184 | 18.0-50.8 | 32.4 (6.3) | 32.6 (28.7-36.7) | |
| Waist to hip ratio | 154 | 0.78-1.08 | 0.96 (0.06) | 0.95 (0.92-0.99) | 193 | 0.68-0.97 | 0.80 (0.06) | 0.79 (0.75-0.84) | |
| Systolic blood pressure (mmHg)‡ | 139 | 70-185 | 127.0 (15.9) | 125 (118-135) | 170 | 99-186 | 122.5 (14.9) | 120.5 (111-130) | |
| Concentrations: | |||||||||
| Serum low density lipoprotein cholesterol (mmol/l)ठ| 152 | 1.20-8.06 | 4.06 (1.34) | 4.00 (3.20-4.89) | 191 | 0.38-7.55 | 3.67 (1.24) | 3.50 (2.85-4.46) | |
| Serum high density lipoprotein cholesterol (mmol/l)‡§ | 152 | 0.47-2.10 | 0.96¶ | 0.99 (0.79-1.18) | 191 | 0.51-2.53 | 1.14¶ | 1.18 (0.88-1.40) | |
| Serum triglycerides (mmol/l) | 152 | 0.31-9.64 | 1.23¶ | 1.25 (0.79-1.83) | 191 | 0.25-3.60 | 0.93¶ | 0.88 (0.63-1.35) | |
| Plasma fibrinogen (g/l)‡ | 154 | 1.4-5.0 | 2.81¶ | 2.75 (2.40-3.20) | 189 | 1.3-5.0 | 2.95¶ | 2.90 (2.50-3.50) | |
| 2 Hour plasma glucose (mmol/l)§ | 151 | 2.31-13.30 | 5.51¶ | 5.54 (4.77-6.45) | 189 | 3.23-11.50 | 5.54¶ | 5.72 (4.59-6.45) | |
| Fasting serum insulin (mU/l)§ | 148 | 1.4-29.6 | 7.88¶ | 7.7 (5.65-12.0) | 185 | 1.2-23.7 | 6.19¶ | 6.0 (4.5-8.6) | |
| Birth weight (kg) | 154 | 1.93-4.65 | 3.43 (0.47) | 3.46 (3.12-3.74) | 193 | 2.15-4.88 | 3.38 (0.52) | 3.37 (3.01-3.74) | |
| Episodes of infectious illness in childhood | 131 | 3-50 | 17.1 (8.5) | 15 (10-22) | 162 | 5-47 | 17.1 (7.6) | 16 (12-21) | |
*
Excludes twins. †Excludes 50 men and 87 women who had never smoked.
‡
Measurements of lipids, fibrinogen, and blood pressure exclude participants taking lipid lowering drugs, warfarin, or antihypertensives respectively.
§
Measurements of lipids, insulin, and glucose exclude participants taking drugs for diabetes. ¶Mean of log transformed values (geometric mean of raw data).