Table 4.
Prevalence of HBV biomarkers by sociodemographic characteristics of survey respondents (N = 965)
| HBsAg | HBsAb | HBcAb | ||||
|---|---|---|---|---|---|---|
| Frequency | % | Frequency | % | Frequency | % | |
| Sex | ||||||
| Male | 76 | 14.5 | 192 | 36.6 | 298 | 56.8 |
| Female | 37 | 8.4 | 159 | 36.1 | 219 | 49.8 |
| Age (years) | ||||||
| < 10 | 4 | 9.8 | 11 | 26.8 | 5 | 12.2 |
| 10–19 | 13 | 13.0 | 32 | 32.0 | 30 | 30.0 |
| 20–29 | 27 | 13.4 | 73 | 36.1 | 111 | 55.0 |
| 30–39 | 26 | 12.4 | 83 | 39.7 | 125 | 59.8 |
| 40–49 | 20 | 13.0 | 61 | 39.6 | 87 | 56.5 |
| 50–59 | 13 | 9.0 | 46 | 31.9 | 97 | 67.4 |
| 60–69 | 11 | 15.7 | 30 | 42.9 | 44 | 62.9 |
| ≥ 70 | 4 | 9.1 | 14 | 31.8 | 20 | 45.5 |
| Marital status | ||||||
| Single | 38 | 19.6 | 109 | 56.2 | 130 | 67.0 |
| Married | 71 | 12.7 | 212 | 38.0 | 349 | 62.6 |
| Divorced/separate | 1 | 7.1 | 9 | 64.3 | 10 | 71.4 |
| Widowed | 5 | 8.3 | 22 | 36.7 | 35 | 58.3 |
| Others | 1 | 50.0 | 1 | 50.0 | 1 | 50.0 |
| Education | ||||||
| No formal education | 20 | 13.1 | 71 | 46.4 | 100 | 65.4 |
| Primary | 25 | 10.9 | 76 | 33.0 | 119 | 51.7 |
| Secondary | 39 | 12.3 | 113 | 35.8 | 165 | 52.2 |
| Tertiary | 24 | 12.1 | 77 | 38.9 | 117 | 59.1 |
| Post graduate | 6 | 14.3 | 9 | 21.4 | 17 | 40.5 |
| Income (Naira) | ||||||
| < 18,000 | 40 | 11.4 | 150 | 42.6 | 211 | 59.9 |
| 18,000 to < 35,000 | 27 | 13.9 | 68 | 35.1 | 129 | 66.5 |
| 35,000 to < 70,000 | 11 | 10.9 | 34 | 33.7 | 56 | 55.5 |
| 70,000 to < 120,000 | 8 | 19.0 | 10 | 23.8 | 20 | 47.6 |
| ≥ 120, 000 | 5 | 12.8 | 13 | 33.3 | 21 | 53.9 |
| Occupational status | ||||||
| Used for wages | 34 | 12.1 | 95 | 33.9 | 151 | 53.9 |
| Self-used | 47 | 12.3 | 154 | 40.2 | 251 | 65.5 |
| Retired | 3 | 10.0 | 14 | 46.7 | 20 | 66.7 |
| Unemployed | 12 | 17.1 | 30 | 42.9 | 43 | 61.4 |
HBsAg = hepatitis B surface antigen; HBsAb = hepatitis B surface antibody; HBcAb = hepatitis B core antibody; HBV = hepatitis B virus.