| Factors |
| COVID-19 | p-value (chi-square test) | Crude OR (95% CI) | Adjusted OR (95% CI) | Adjusted OR (95% CI) with interactions | |
| Infected | Uninfected | ||||||
| Smoking
Karaoke activities
Gender
Club or group activities
Travel activities
Course
Measles/rubella vaccine
COVID-19 vaccine
| Yes No High Low Male Female Yes No High Low Science Humanities ≥2 doses ≤1 dose ≥3 doses ≤2 doses | 60 1643 402 1301 943 760 737 966 1027 676 1115 588 1172 531 1002 701 | 89 3614 671 3032 1906 1797 1462 2241 2120 1583 2601 1102 2720 983 2616 1087 | 0.02
<1 × 10−5
0.01
0.01
0.03
<0.001
<0.001
<1 × 10–15
| 1.48 (1.06 - 2.07)
1.40 (1.21 - 1.61)
1.17 (1.04 - 1.13)
1.17 (1.04 - 1.13)
1.13 (1.01 - 1.28)
0.80 (0.71 - 0.91)
0.80 (0.70 - 0.91)
0.59 (0.53 - 0.67)
|
1.33 (1.15 - 1.53)
1.17 (1.04 - 1.32)
0.81 (0.72 - 0.92)
0.84 (0.74 - 0.96)
0.61 (0.54 - 0.68)
| 1.45 (1.01 - 2.08)
1.21 (1.06 - 1.38)
1.19 (1.05 - 1.34)
0.73 (0.63 - 0.83)
0.60 (0.53 - 0.68)
|