Table.1.
Characteristics of 1,576 participants according to quartiles of plasma phospholipid 16:0 fatty acid (Palmitic acid)*
| Quartiles of plasma phospholipid 16:0 fatty acid (% of total fatty acids) | ||||
|---|---|---|---|---|
| Characteristics | Q1 [21.22–24.374] n=369 |
Q2 [24.375–25.325] N=384 |
Q3 [25.326–26.393] n=380 |
Q4(high) [26.394–33.579] n=443 |
| Age(year) | 57.8±8.1 | 58.5±8.0 | 59.2±8.1 | 59.3±7.9† |
| Body mass index (Kg/m2) | 24.9±2.6 | 25.0±2.9 | 25.4±3.2 | 25.4±2.9† |
| 14:0(%) | 0.25±0.07 | 0.27±0.07 | 0.29±0.08 | 0.30±0.08† |
| 15:0(%) | 0.19±0.04 | 0.20±0.04 | 0.20±0.04 | 0.19±0.05† |
| 16:0(%) | 23.58±0.64 | 24.86±0.28 | 25.82±0.31 | 27.39±0.93† |
| 18:0(%) | 14.51±1.06 | 14.18±0.10 | 13.84±1.05 | 13.19±1.22† |
| 20:0(%) | 0.28±0.14 | 0.26±0.13 | 0.24±0.13 | 0.23±0.13† |
| 22:0(%) | 0.72±0.22 | 0.70±0.24 | 0.68±0.24 | 0.64±0.23† |
| Current smoking (%) | 9.8 | 9.9 | 11.8 | 13.1 |
| Never smoking (%) | 56.8 | 50.8 | 38.7 | 36.2† |
| Alcohol intake; None (%) | 42.0 | 30.3 | 19.5 | 13.8 |
| Alcohol intake; 1–4/week (%) | 34.6 | 35.0 | 38.0 | 27.7 |
| Alcohol intake; 5–7/week (%) | 23.4 | 32.6 | 39.3 | 52.6 |
| Current exercise (%) | 76.4 | 71.7 | 73.8 | 72.8 |
| Atrial fibrillation (%) | 3.5 | 5.0 | 3.7 | 3.6 |
| Coronary heart disease (%) | 2.4 | 3.9 | 3.4 | 3.4 |
| Hypertension (%) | 28.5 | 25.0 | 35.5 | 34.3† |
| Diabetes (%) | 4.6 | 3.7 | 5.8 | 7.9† |
*
Data are presented as Means ± standard deviation and quartiles are based on the distribution of 16:0 among controls
†
p<0.05, across median values of plasma saturated fatty acids within each quartiles. ANOVA was used for continuous variables, and χ2 test was used for categorical variables.