From: Effectiveness of DNA-recombinant anti-hepatitis B vaccines in blood donors: a cohort study
Risk factors | Included in the analysis | Excluded from the analysis | |||||||
---|---|---|---|---|---|---|---|---|---|
Variables | Categories | Non-vaccinated repeat donors | Vaccinated repeat donors | Vaccinated non-repeat donors | Vaccinated donors lost to follow-up | ||||
n | % | n | % | n | % | n | % | ||
Age bands (years) | 18–29 | 112 | 15.7 | 105 | 15.0 | 26 | 12.7 | 18 | 16.4 |
30–44 | 351 | 49.2 | 323 | 46.3 | 106 | 52.0 | 56 | 50.9 | |
45+ | 250 | 35.1 | 270 | 38.7 | 72 | 35.3 | 36 | 32.7 | |
Sex | Masculine | 376 | 52.7 | 377 | 54.0 | 113 | 55.4 | 51 | 46.4 |
Feminine | 337 | 47.3 | 321 | 46.0 | 91 | 44.6 | 59 | 53.6 | |
Marrital status | Single | 169 | 23.7 | 179 | 25.6 | 5 | 20.8 | 40 | 36.4 |
Married | 484 | 67.9 | 470 | 67.3 | 16 | 66.7 | 67 | 60.9 | |
Separated | 12 | 1.7 | 13 | 1.9 | 1 | 4.2 | 2 | 1.8 | |
Widowed | 24 | 3.4 | 19 | 2.7 | 2 | 8.33 | 1 | 0.9 | |
Other | 24 | 3.6 | 17 | 2.4 | 0 | 0.0 | 0 | 0.0 | |
Municipality of residence | County capital | 269 | 37.7 | 392 | 56.2 | 78 | 38.2 | 40 | 36.4 |
Other cities * | 175 | 24.5 | 51 | 7.3 | 31 | 15.2 | 20 | 18.2 | |
Mainly rural ** | 269 | 37.7 | 255 | 36.5 | 95 | 46.6 | 50 | 45.4 | |
Number of donations prior to study | 1–2 | 120 | 16.8 | 40 | 5.7 | 8 | 33.3 | 59 | 54.6 |
3–5 | 403 | 56.5 | 89 | 12.7 | 13 | 54.2 | 34 | 31.5 | |
6–10 | 169 | 23.7 | 224 | 32.1 | 2 | 8.33 | 9 | 8.33 | |
>10 | 21 | 2.9 | 345 | 49.4 | 1 | 4.2 | 6 | 5.6 |