TABLE 1.
The baseline characteristics of 239 participants.
| OLP (n = 115) | Control (n = 124) | p | |
|---|---|---|---|
| Age (years) | 50.66 ± 13.73 | 47.66 ± 13.23 | 0.870 |
| Gender (male/female) | 48/67 | 56/68 | 0.596 |
| BMI (kg/m2) | 24.32 ± 3.79 | 23.35 ± 3.46 | 0.059 |
| Smoking history** | 50/115 | 9/124 | 6.90E−11 |
| Drinking history | 25/115 | 18/124 | 0.150 |
| Prefer spicy food | 45/115 | 41/124 | 0.330 |
| Prefer very hot food** | 51/115 | 21/124 | 3.50E−06 |
| Lack of exercise** | 85/115 | 32/124 | 3.13E−15 |
| Poor sleep* | 19/115 | 9/124 | 0.028 |
Data are presented as the mean ± SD. BMI, body mass index; Smoking history: ≥1 cigarette per day for more than half a year; Drinking history: drinking alcohol more than once a week (alcohol content ≥50 ml) for more than half a year; Prefer very hot food: often intake high-temperature-treated meals within 1 min; Lack of exercise: exercise less than once a week; Poor sleep: sleep less than 6 h per night. *p < 0.05, **p < 0.001, ***p < 0.001, student’s t-test.