Table 2. Distribution of characteristics among study population stratified by risk levels.
Variables | Risk Levels |
p-value* | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
Control (n=200) |
Risk Level 1 (n=139) |
Risk Level 2 (n=119) |
||||||||
n | (%) | n | (%) | n | (%) | |||||
Age | ||||||||||
≤40 | 135 | 67.5 | 101 | 72.7 | 93 | 78.2 | 0.12 | |||
>40 | 65 | 32.5 | 38 | 27.3 | 26 | 21.9 | ||||
Gender | ||||||||||
Female | 80 | 40.0 | 35 | 25.2 | 26 | 21.9 | <0.01 | |||
Male | 120 | 60.0 | 104 | 74.8 | 93 | 78.2 | ||||
Ethnicity | ||||||||||
Taiwanese | 157 | 79.3 | 109 | 78.4 | 92 | 77.3 | 0.55 | |||
Hakka | 22 | 11.1 | 15 | 10.8 | 19 | 16.0 | ||||
Mainlander and Aborigine | 19 | 9.6 | 15 | 10.8 | 8 | 6.7 | ||||
Education | ||||||||||
High school and less | 38 | 19.2 | 18 | 13.1 | 20 | 16.8 | 0.03 | |||
University | 104 | 52.5 | 62 | 45.3 | 47 | 39.5 | ||||
Graduate school | 56 | 28.3 | 57 | 41.6 | 52 | 43.7 | ||||
Smoking | ||||||||||
No | 174 | 87.9 | 118 | 85.5 | 97 | 81.5 | 0.30 | |||
Yes | 24 | 12.1 | 20 | 14.5 | 22 | 18.5 | ||||
Alcohol drinking | ||||||||||
No | 180 | 90.5 | 133 | 95.7 | 103 | 86.6 | 0.04 | |||
Yes | 19 | 9.6 | 6 | 4.3 | 16 | 13.5 | ||||
Betel nut chewing | ||||||||||
No | 196 | 98.5 | 139 | 100.0 | 112 | 94.1 | <0.01 | |||
Yes | 3 | 1.5 | 0 | 0.0 | 7 | 5.9 |
*p value for χ2 test