Table 1.
Basic characteristics of the study subjects according to the categorized frequency of alcohol intake
| |
Frequency of alcohol intake (day/week) |
P for trenda |
|||
|---|---|---|---|---|---|
| |
0 |
≤3 |
4-6 |
7 |
|
| (n = 149) | (n = 294) | (n = 169) | (n = 287) | ||
| Age (year)b |
45.0 (38.0–55.0) |
41.5 (36.0–52.3) |
48.0 (38.0–55.0) |
51.0 (42.0–57.0) |
< 0.001 |
| Education (%) |
|
|
|
|
|
| ≥12 years |
35.6 |
59.5 |
53.3 |
38.7 |
0.135 |
| Occupation (%) |
|
|
|
|
|
| Non office work |
11.4 |
24.1 |
23.1 |
20.2 |
0.234 |
| Smoking status (%) |
|
|
|
|
|
| Never smoker |
39.6 |
39.1 |
40.2 |
27.2 |
0.003 |
| Ex smoker |
9.4 |
15.6 |
11.2 |
12.2 |
0.976 |
| Current smoker |
51.0 |
45.2 |
48.5 |
60.6 |
0.004 |
| BMI (kg/m2)b |
23.8 (21.6–26.1) |
23.8 (21.7–26.0) |
23.6 (22.1–25.5) |
22.8 (20.9–25.0) |
< 0.001 |
| Physical activity (%) |
|
|
|
|
|
| ≥10min/day |
71.1 |
81.6 |
78.7 |
80.1 |
0.166 |
| Depressive symptoms (%) |
|
|
|
|
|
| SDS ≥45 |
36.9 |
28.2 |
29.6 |
32.4 |
0.759 |
| Sleep duration (%) |
|
|
|
|
|
| <7 hour |
53.7 |
54.4 |
53.3 |
37.3 |
< 0.001 |
| 7-8 hour |
32.2 |
33.3 |
33.7 |
44.3 |
0.005 |
| ≥8 hour |
14.1 |
12.2 |
13.0 |
18.5 |
0.089 |
| Metabolic syndrome (%) |
|
|
|
|
|
| Yes |
30.9 |
32.3 |
30.2 |
27.2 |
0.247 |
| Calorie intake (%) |
|
|
|
|
|
| 1st (≤1519.0kcal) |
31.5 |
28.9 |
23.7 |
18.5 |
0.001 |
| 2nd (1519.0-1877.0kcal) |
26.8 |
28.2 |
21.3 |
23.0 |
0.146 |
| 3rd (1877.0-2296.9kcal) |
22.8 |
23.1 |
21.9 |
29.6 |
0.078 |
| 4th (>2296.9kcal) |
18.8 |
19.7 |
33.1 |
28.9 |
0.001 |
| Vitamin C intake (%) |
|
|
|
|
|
| 1st (≤56.0mg/d) |
24.2 |
22.1 |
24.3 |
28.6 |
0.139 |
| 2nd (56.0-82.0mg/d) |
24.2 |
23.5 |
24.3 |
27.5 |
0.313 |
| 3rd (82.0-121.5mg/d) |
31.5 |
25.2 |
26.0 |
20.9 |
0.026 |
| 4th (>121.5mg/d) |
20.1 |
29.3 |
25.4 |
23.0 |
0.796 |
| Zinc intake (%) |
|
|
|
|
|
| 1st (≤5.8mg/d) |
24.8 |
22.8 |
23.1 |
28.2 |
0.259 |
| 2nd (5.8-7.3mg/d) |
22.8 |
28.2 |
23.7 |
23.3 |
0.572 |
| 3rd (7.3-9.2mg/d) |
24.2 |
24.8 |
24.9 |
26.1 |
0.639 |
| 4th (>9.2mg/d) | 28.2 | 24.1 | 28.4 | 22.3 | 0.302 |
a Analysis of variance for continuous variables or logistic regression for categorical variable.
b Medians and interquartile range in parentheses.