Table 3.
Slope index of inequality and relative index of inequality for safe water, sanitation, and hygiene access in China from 2000 to 2020
| Variables | Overall | Urban | Rural | |||
|---|---|---|---|---|---|---|
| SII (95%CI) | RII (95%CI) | SII (95%CI) | RII (95%CI) | SII (95%CI) | RII (95%CI) | |
| Safe water | ||||||
| 2000 | 50.4 (29.7–71.2) | 2.9 (2.4–3.5) | 7.6 (−5.5–20.6) | 1.1 (1.0–1.3) | 52.0 (26.4–77.6) | 6.7 (5.2–8.6) |
| 2010 | 43.2 (29.8–56.5) | 2.0 (1.7–2.3) | 10.8 (1.9–19.7) | 1.1 (1.0–1.3) | 45.2 (23.3–67.1) | 2.8 (2.3–3.3) |
| 2020 | 9.6 (0.8–18.5) | 1.1 (1.0–1.3) | 0.3 (−4.3–5.0) | 1.0 (0.9–1.1) | 9.4 (−7.2–25.9) | 1.1 (1.0–1.3) |
| Sanitary toilet | ||||||
| 2000 | 34.5 (21.9–47.2) | 5.8 (4.3–7.7) | 9.2 (−7.0–25.3) | 1.2 (1.0–1.5) | 15.7 (6.6–24.9) | 78.4 (34.4–178.8) |
| 2010 | 47.7 (34.8–60.5) | 3.7 (3.0–4.5) | 16.6 (3.2–29.9) | 1.3 (1.1–1.5) | 42.1 (24.4–59.9) | 30.6 (20.3–46.1) |
| 2020 | 35.6 (20.8–50.5) | 1.6 (1.4–1.8) | 6.3 (−1.7–14.3) | 1.1 (0.9–1.2) | 58.7 (28.5–88.8) | 3.1 (2.6–3.6) |
| Hygiene bathing facility | ||||||
| 2000 | 45.7 (31.2–60.3) | 6.9 (5.3–9.0) | 40.0 (21.5–58.6) | 2.6 (2.2–3.2) | 35.9 (23.0–48.8) | 17.2 (11.7–25.4) |
| 2010 | 51.6 (32.8–70.4) | 2.9 (2.4–3.5) | 36.1 (17.1–55.2) | 1.7 (1.5–2) | 55.7 (35.2–76.1) | 5.9 (4.7–7.4) |
| 2020 | 26.6 (8.9–44.2) | 1.4 (1.2–1.6) | 6.0 (−5.8–17.8) | 1.1 (0.9–1.2) | 31.1 (−1.1–63.2) | 1.5 (1.3–1.8) |