Table 2 Descriptive statistics of the individual characteristics of the study subjects
From: Associations between outdoor temperature and markers of inflammation: a cohort study
Variable | Mean (sd) |
|---|---|
C-reactive protein (mg/l) | 2.3 (2.1) |
White blood cell count (1000/mm3) | 6.4 (3.0) |
Interleukin 1 beta (pg/ml) | 33.0 (123.9) |
Interleukin 6 (pg/ml) | 172.5 (351.4) |
Interleukin 8 (pg/ml) | 75.9 (84.2) |
Soluble Vascular Cell Adhesion Molecule (ng/ml) | 1066 (400.0) |
Soluble Intercellular Adhesion Molecule (ng/ml) | 299.0 (77.2) |
Tumor necrosis factor alpha (pg/ml) | 60.0 (199.2) |
Age (years) | 74.6 (6.6) |
Body mass index (kg/m2) | 28.1 (4.2) |
Education (years) | 14.6 (2.8) |
| Â | N subjects (%) |
Obese (Body mass index > 30) | 176 (26.1) |
Use of statins | 378 (56.2) |
Use of any antihypertensive medication | 483 (71.8) |
Diabetes | 114 (17.0) |
Hypertension | 542 (80.5) |
Race | Â |
   Non-Hispanic white | 649 (96.4) |
   Non-Hispanic black | 12 (1.8) |
   Hispanic white | 9 (1.3) |
   Hispanic black | 3 (0.4) |
Weekday of the visit | N observations (%) |
   Tuesday | 363 (28.9) |
   Wednesday | 741 (59.1) |
   Thursday | 150 (11.9) |
Smoking status | Â |
   Never | 368 (29.3) |
   Former | 840 (67.0) |
   Current | 46 (0.4) |
Fasting blood glucose | Â |
   < 110 mg/dl | 906 (72.2) |
   > 110 or < 126 mg/dl | 202 (16.1) |
   > 126 mg/dl | 146 (11.6) |
Alcohol intake(≥ 2 drinks/day) | 236 (18.8) |