Table 2.
The clinical baseline characteristics
| Characteristics | Case group (n=690) | Control group (n=430) | P-value |
|---|---|---|---|
| Age (years) | 27.2±3.5 | 26.9±3.1 | 0.146a |
| Gender | |||
| Male | 398 (57.68%) | 231 (53.72%) | 0.194b |
| Female | 292 (42.32%) | 199 (46.28%) | |
| Weight (kg) | 67.2±3.5 | 66.9±3.4 | 0.159a |
| Height (cm) | 167.4±11.5 | 166.9±11.2 | 0.475a |
| Smoking | |||
| Yes | 501 (72.61%) | 308 (71.63%) | 0.721b |
| No | 189 (27.39%) | 122 (28.37%) | |
| Drinkingc | |||
| Yes | 384 (55.65%) | 235 (54.65%) | 0.743b |
| No | 306 (44.35%) | 195 (45.35%) |
Notes:
a
Student’s t-test.
b
Chi-square test.
c
Participants who drank more than three times per week for over 5 years with the amount of alcohol ≥20 g each time recognized as “yes”, and participants who never drank or occasionally drank with the amount of alcohol <20 g recognized as “no”. Age, weight, and height data presented as mean ± standard deviation.