Table 2.
Demographic characteristics of the study participants
| Variables | Case | Control | t/χ2 | P |
|---|---|---|---|---|
| (n = 202) | (n = 216) | |||
| Sex, n(%) | 2.554 | 0.110 | ||
| Male | 104(51.49) | 128(59.26) | ||
| Female | 98(48.51) | 88(40.74) | ||
| Age(years) | 58.54 ± 9.76 | 53.04 ± 11.86 | −3.983 | <0.001* |
| Degree of education, n(%) | 5.821 | 0.054 | ||
| Primary school and below | 44(21.78) | 62(28.70) | ||
| Junior high school | 37(18.32) | 50(23.15) | ||
| High school and above | 121(59.90) | 104(48.15) | ||
| Marital status, n(%) | 1.272 | 0.259 | ||
| Married, living together | 184(91.09) | 203(93.98) | ||
| Unmarried, Widowed Divorced, Separated | 18(8.91) | 13(6.02) | ||
| Occupation, n(%) | 8.331 | 0.016* | ||
| Worker | 63(31.19) | 41(18.98) | ||
| Farmer | 22(10.89) | 27(12.50) | ||
| Office staff | 117(57.92) | 148(68.52) | ||
| Smoking, n (%) | 73(36.14) | 86(39.81) | 0.599 | 0.439 |
| Alcohol consumption, n (%) | 66(32.67) | 67(31.02) | 0.132 | 0.717 |
Significance: * = P < 0.05