Table 2 Annual seroprevalence rates and linear trend analysis of HBV infection in blood donors of interior Sindh
From: Temporal trends in hepatitis B and C infection in family blood donors from interior Sindh, Pakistan
Variables | 2004 | 2005 | 2006 | 2007 | Overall Prevalence | Chi Square test for trend p |
|---|---|---|---|---|---|---|
Annual prevalence | 0.33 | |||||
%(n*) | 7.5(100) | 5.4(85) | 5.4(60) | 6.4(85) | 6.2(330) | |
95% CI | 6.1–9.00 | 4.4–6.7 | 4.1–6.9 | 5.1–7.8 | 5.5–6.9 | |
Sex | ||||||
Male %(n) | 7.5(100) | 5.5(85) | 5.4(59) | 6.5(85) | 6.2(329) | 0.51 |
95% CI | 6.2–9.1 | 4.4–6.8 | 4.1–6.9 | 5.2–7.9 | 5.6–6.9 | |
Female % (n) | 0.0(0) | 0.0(0) | 5.9(1) | 0.0(0) | 1.5(1) | - |
Age | ||||||
17–26 years %(n) | 7.5(50) | 5.7(45) | 5.6(33) | 5.7(40) | 6.1(168) | 0.25 |
95% CI | 5.6–9.7 | 4.2–7.5 | 3.9–7.7 | 4.1–7.7 | 5.2–7.1 | |
27–65 years %(n) | 7.6(50) | 5.3(40) | 5.3(27) | 7.1(45) | 6.3(162) | 0.82 |
95% CI | 5.7–9.8 | 3.8–7.1 | 3.5–7.6 | 5.2–9.4 | 5.4–7.3 | |
Literacy | ||||||
Illiterate % (n) | 7.0 (58) | 6.3 (55) | 5.3 (35) | 7.3(65) | 6.6(213) | 0.93 |
95% CI | 5.4–9.0 | 4.8–8.1 | 3.7–7.3 | 5.7–9.3 | 5.7–7.5 | |
Literate % (n) | 8.3 (42) | 4.4 (30) | 5.7 (25) | 4.5(20) | 5.7(117) | 0.05 |
95% CI | 6.0–11.0 | 3.0–6.3 | 3.7–8.3 | 2.8–6.9 | 4.7–6.8 | |
Mother tongue | ||||||
Sindhi % (n) | 7.4(74) | 6.1(76) | 5.8(45) | 6.0(63) | 6.3(258) | 0.23 |
95%CI | 5.9–9.2 | 4.8–7.6 | 4.2–7.6 | 4.6–7.6 | 5.6–7.1 | |
Others % (n) | 7.6(26) | 2.9(9) | 4.5(15) | 7.7(22) | 5.7(72) | 0.88 |
95% CI | 5.0–10.9 | 1.3–5.4 | 2.5–7.3 | 4.9–11.5 | 4.5–7.1 | |
Type of donor | ||||||
First time % (n) | 8.4(56) | 5.4(36) | 6.2(33) | 6.7(48) | 6.7(173) | 0.36 |
95% CI | 6.4–10.7 | 3.8–7.4 | 4.3–8.6 | 5.0–8.8 | 5.8–7.7 | |
Second or more times % (n) | 6.6(44) | 5.4(49) | 4.7(27) | 6.0(37) | 5.7(157) | |
95% CI | 4.8–8.7 | 4.1–7.1 | 3.1–6.7 | 4.3–8.2 | 4.9–5.6 | 0.58 |