Table 1 Comparison between selected and unselected participants
From: Vitamin D, parathyroid hormone and metabolic syndrome – the PORMETS study
Variables | Unselected participants | Selected participants | p valuea |
|---|---|---|---|
Gender (n) | |||
Women | 2069 | 286 | |
Men | 1526 | 214 | 0.881 |
Age – years [median (P25, P75)] | 54 (41, 66) | 53 (41, 67) | 0.856 |
Education level – years [median (P25, P75)] | 4 (4, 10) | 6 (4, 10) | 0.252 |
Alcohol intake (n) | |||
Non-drinker | 1618 | 229 | |
Former drinker | 124 | 18 | |
Occasional drinker | 934 | 128 | |
Daily drinker | 892 | 123 | 0.990 |
Smoking habits (n) | |||
Non-smoker | 2486 | 358 | |
Former smoker | 521 | 66 | |
Smoker | 529 | 70 | 0.597 |
Physical exercise (n) | |||
No | 2592 | 352 | |
Yes | 954 | 139 | 0.597 |
UV exposure (n) | |||
Lower | 1971 | 283 | |
Higher | 1555 | 217 | 0.768 |
Weight – cm [median (P25, P75)] | 71.0 (62.5, 80.5) | 71.0 (61.0, 80.0) | 0.704 |
Height – cm [median (P25, P75)] | 162.0 (155.5, 169.0) | 162.0 (155.0, 169.0) | 0.745 |
BMI – Kg/m2 [median (P25, P75)] | 27.0 (24.0, 30.0) | 27.1 (24.1, 29.8) | 0.813 |
WC – cm [median (P25, P75)] | 93.4 (85.0, 101.5) | 93.5 (86.0, 102.0) | 0.399 |
Systolic BP – mmHg [median (P25, P75)] | 130 (116, 145) | 131 (119, 147) | 0.038 |
Diastolic BP – mmHg [median (P25, P75)] | 79 (70, 86) | 80.0 (70, 87) | 0.073 |
Glucose – mg/dL [median (P25, P75)] | 85 (77, 97) | 85 (77, 97) | 0.947 |
Insulin - μU/mL [median (P25, P75)] | 7.6 (5.1, 11.4) | 8.0 (5.3, 12.2) | 0.040 |
HOMA – median (P25, P75) | 1.6 (1.0, 2.6) | 1.7 (1.1, 2.9) | 0.119 |
hs-CRP - mg/L [median (P25, P75)] | 0.15 (0.07, 0.36) | 0.16 (0.08, 0.39) | 0.626 |
Cholesterol – mg/dL [median (P25, P75)] | 206 (179, 233) | 204 (180, 233) | 0.611 |
Triglycerides – mg/dL [median (P25, P75)] | 106 (78, 147) | 104 (76, 143) | 0.242 |
HDL-cholesterol – mg/dL [median (P25, P75)] | 47 (39, 55) | 47 (39, 55) | 0.553 |
MetS (n) | |||
No | 2086 | 307 | |
Yes | 1403 | 191 | 0.428 |
BP component (n) | |||
No | 1352 | 177 | |
Yes | 2172 | 322 | 0.212 |
WC component (n) | |||
No | 1812 | 253 | |
Yes | 1702 | 247 | 0.686 |
Glycemia component (n) | |||
No | 2655 | 382 | |
Yes | 822 | 112 | 0.635 |
HDL-cholesterol component (n) | |||
No | 1566 | 224 | |
Yes | 1935 | 276 | 0.977 |
Triglycerides component (n) | |||
No | 2615 | 383 | |
Yes | 878 | 117 | 0.401 |