Table 2.
Age-specific average annual per cent changes (AAPCs) in crude incidence rates (CIRs) of acute hepatitis B virus (AHBV) infections in China from 1990 to 2019 based on joinpoint regression models, stratified by gender
| Age group (year) | AAPC (95% CI), % | ||
|---|---|---|---|
| Male | Female | Both | |
| 0–4 | −9.26* (−9.90, −8.62) | −9.29* (−9.92, −8.65) | −9.26* (−9.84, −8.68) |
| 5–9 | −9.19* (−10.22, −8.15) | −9.24* (−10.30, −8.18) | −9.19* (−10.23, −8.13) |
| 10–14 | −8.56* (−9.11, −7.99) | −8.65* (−9.67, −7.63) | −8.58* (−9.14, −8.02) |
| 15–19 | −6.53* (−7.05, −6.02) | −6.71* (−7.24, −6.17) | −6.56* (−7.08, −6.04) |
| 20–24 | −1.16* (−1.20, −1.12) | −1.18* (−1.26, −1.11) | −1.15* (−1.19, −1.12) |
| 25–29 | −1.18* (−1.23, −1.13) | −1.38* (−1.42, −1.34) | −1.26* (−1.30, −1.21) |
| 30–34 | −1.22* (−1.28, −1.17) | −1.36* (−1.47, −1.25) | −1.30* (−1.34, −1.26) |
| 35–39 | −1.28* (−1.33, −1.23) | −1.41* (−1.48, −1.35) | −1.35* (−1.39, −1.31) |
| 40–44 | −1.23* (−1.26, −1.20) | −1.46* (−1.54, −1.38) | −1.33* (−1.41, −1.26) |
| 45–49 | −1.23* (−1.31, −1.15) | −1.65* (−1.68, −1.61) | −1.40* (−1.45, −1.36) |
| 50–54 | −1.15* (−1.22, −1.08) | −1.65* (−1.87, −1.42) | −1.38* (−1.53, −1.24) |
| 55–59 | −1.16* (−1.20, −1.12) | −1.68* (−1.82, −1.53) | −1.38* (−1.43, −1.34) |
| 60–64 | −1.14* (−1.23, −1.04) | −1.60* (−1.69, −1.52) | −1.32* (−1.40, −1.24) |
| 65–69 | −1.04* (−1.14, −0.94) | −1.75* (−1.91, −1.58) | −1.32* (−1.38, −1.25) |
| 70–74 | −1.01* (−1.18, −0.85) | −1.69* (−1.94, −1.45) | −1.24* (−1.42, −1.05) |
| 75–79 | −1.00* (−1.06, −0.95) | −1.72* (−1.96, −1.48) | −1.21* (−1.33, −1.09) |
| 80–84 | −0.95* (−1.02, −0.88) | −1.70* (−2.10, −1.29) | −1.20* (−1.34, −1.06) |
| Total | −1.73* (−1.83, −1.64) | −2.04* (−2.14, −1.95) | −1.86* (−1.96, −1.75) |
| ASIR | −2.14* (−2.29, −1.98) | −2.48* (−2.64, −2.33) | −2.29* (−2.42, −2.16) |
Note: AAPC represents average annual per cent changes.
*
Indicates that AAPC is significantly different from zero at the significance level of 0.05.