Table 2.
Association between demographics and other characteristics of HCWs and seroconversion status.
| Variable | Seroconversion | p value | |
|---|---|---|---|
| Yes, n (%) | No, n (%) | ||
| Age, years (N = 424) | <0.001 | ||
| <20 | 4 (50.0) | 4 (50.0) | |
| 20–29 | 210 (73.4) | 76 (26.6) | |
| 30–39 | 69 (59.5) | 47 (40.5) | |
| ≥40 | 3 (21.4) | 11 (78.6) | |
| Sex | 0.914 | ||
| Male | 104 (68.0) | 49 (32.0) | |
| Female | 182 (67.2) | 89 (32.8) | |
| Setting HBV was administered | 0.354 | ||
| School | 135 (70.3) | 57 (29.7) | |
| Hospital | 141 (65.3) | 75 (34.7) | |
| Other | 9 (56.3) | 7 (43.7) | |
| Who administered HBV | 0.726 | ||
| Nurse or doctor | 110 (69.2) | 49 (30.8) | |
| Medical laboratory scientist | 116 (68.2) | 54 (31.8) | |
| Other | 9 (69.2) | 4 (30.8) | |
| Do not remember | 51 (62.2) | 31 (37.8) | |
| Route of administration | 0.604 | ||
| Intramuscular | 241 (68.5) | 111 (31.5) | |
| Subcutaneous | 16 (64.0) | 9 (36.0) | |
| Do not know | 29 (61.7) | 18 (38.3) | |
| Number of doses received | <0.001 | ||
| 2 | 16 (37.2) | 27 (62.8) | |
| 3 | 234 (68.8) | 106 (31.2) | |
| >3 | 36 (87.8) | 5 (12.2) | |
| Years since last vaccination | 0.249 | ||
| <1 | 31 (88.6) | 4 (11.4) | |
| 1–4 | 103 (66.9) | 51 (33.1) | |
| 5–10 | 144 (65.5) | 76 (34.5) | |
| >10 | 8 (53.3) | 7 (46.6) | |
| Booster taken | 0.018 | ||
| Yes | 24 (88.9) | 3 (11.1) | |
| No | 262 (66.0) | 135 (34.0) | |
| Had vaccination record card | |||
| Yes | 158 (74.5) | 54 (25.5) | 0.003 |
| No | 128 (60.4) | 84 (39.6) | |
Bold values indicates they were used for the statistically significant variables.