From: The consumption of chili peppers and the risk of colorectal cancer: a matched case-control study
Variables | Cases N(%) | Controls N(%) | χ 2 | P |
---|---|---|---|---|
Education | ||||
Primary school and below | 151(37.75) | 175(43.75) | 5.576 | 0.062 |
Junior-senior high school and secondary school | 216(54.00) | 183(45.75) | ||
Junior college and above | 33 (8.25) | 42(10.50) | ||
Profession | ||||
Enterprises and institutions | 104(26.00) | 111(27.75) | 1.287 | 0.864 |
Manufacturing industry | 78(19.50) | 85(21.25) | ||
Transport industry | 12 (3.00) | 13 (3.25) | ||
Agriculture, forestry, fishery, and animal husbandry | 145(36.25) | 131(32.75) | ||
Others | 61(15.25) | 60(15.00) | ||
Household per capita annual income(yuan per year) | ||||
< 10000 | 134(33.50) | 118(29.50) | 1.530 | 0.465 |
10000–20000 | 159(39.75) | 166(41.50) | ||
> 20000 | 107(26.75) | 116(29.00) |