Table 2. Breast cancer screening rates among Chinese women aged 20 years and above by sociodemographic factors ― China, 2015*.
| Item | Ever screened (%) (95%CI) | Screened in 1 year (%) (95% CI) | Screened in 2 years (%) (95% CI) | Screened in 3 years (%) (95% CI) | |||
| Total | Urban | Rural | p-value | ||||
|
* Screening rates were all weighted proportions.
† Participants answering “don’t know/refused to answer” were not included in the trend test. | |||||||
| Total | 18.9 (17.5–20.4) | 24.6 (22.3–26.8) | 15.0 (13.2–16.9) | <0.0001 | 14.2 (13.0–15.4) | 16.7 (15.4–18.0) | 17.5 (16.1–18.8) |
| Age (years) | |||||||
| 20–29 | 8.5 (7.3–9.7) | 10.6 (8.8–12.5) | 6.9 (5.4–8.3) | 0.0019 | 7.0 (6.0–8.0) | 8.1 (6.9–9.2) | 8.2 (7.1–9.4) |
| 30–39 | 25.3 (23.0–27.6) | 32.0 (28.3–35.7) | 20.0 (17.4–22.5) | <0.0001 | 20.1 (18.2–21.9) | 22.8 (20.9–24.8) | 23.8 (21.8–25.8) |
| 40–49 | 29.2 (26.9–31.6) | 38.1 (34.6–41.7) | 23.6 (20.6–26.6) | <0.0001 | 22.3 (20.3–24.4) | 26.3 (24.0–28.5) | 27.4 (25.1–29.6) |
| 50–59 | 22.2 (20.4–24.0) | 28.5 (25.9–31.1) | 18.1 (15.4–20.9) | <0.0001 | 14.9 (13.6–16.2) | 18.4 (16.7–20.0) | 19.7 (17.9–21.5) |
| 60–69 | 12.3 (11.0–13.5) | 17.8 (15.5–20.1) | 8.8 (7.4–10.3) | <0.0001 | 7.5 (6.5–8.5) | 9.3 (8.2–10.3) | 10.1 (9.0–11.2) |
| 70 and above | 5.0 (4.1–6.0) | 8.9 (7.1–10.8) | 2.5 (1.6–3.3) | <0.0001 | 3.4 (2.7–4.2) | 3.9 (3.1–4.7) | 4.2 (3.4–5.0) |
| p-value for trend | 0.5242 | 0.1591 | 0.0890 | <0.0001 | 0.0025 | 0.0193 | |
| Geographic Region | |||||||
| East | 24.0 (22.0–26.1) | 29.7 (26.8–32.7) | 18.4 (15.3–21.5) | <0.0001 | 18.6 (16.8–20.4) | 21.7 (19.7–23.6) | 22.5 (20.6–24.5) |
| Central | 15.1 (12.6–17.7) | 20.2 (16.9–23.5) | 12.9 (9.6–16.2) | 0.0047 | 11.1 (9.3–12.9) | 13.1 (10.9–15.3) | 13.8 (11.5–16.1) |
| West | 15.3 (13.2–17.3) | 17.9 (14.3–21.5) | 13.5 (10.7–16.3) | 0.0865 | 10.9 (9.1–12.6) | 12.9 (10.9–14.9) | 13.7 (11.7–15.8) |
| p-value for difference | <0.0001 | <0.0001 | 0.0295 | <0.0001 | <0.0001 | <0.0001 | |
| Education | |||||||
| Primary or less | 13.2 (11.7–14.7) | 14.7 (12.3–17.1) | 12.7 (10.9–14.6) | 0.2483 | 9.4 (8.3–10.5) | 11.1 (9.8–12.5) | 11.8 (10.5–13.2) |
| Junior high | 19.7 (17.7–21.8) | 25.1 (21.6–28.6) | 16.8 (14.2–19.4) | <0.0001 | 14.3 (12.6–15.9) | 17.2 (15.3–19.1) | 18.0 (16.1–20.0) |
| Senior high | 24.7 (22.6–26.7) | 28.4 (25.5–31.2) | 19.3 (16.3–22.2) | <0.0001 | 18.7 (16.4–20.9) | 21.8 (19.7–24.0) | 22.8 (20.6–24.9) |
| College or above | 28.0 (25.4–30.6) | 30.4 (27.2–33.7) | 19.4 (15.8–22.9) | <0.0001 | 23.4 (21.0–25.8) | 26.5 (23.8–29.1) | 27.3 (24.6–30.0) |
| p-value for trend | <0.0001 | <0.0001 | <0.0001 | <0.0001 | <0.0001 | <0.0001 | |
| Household income per capita (CNY) | |||||||
| Q1 (<7,200) | 10.5 (9.0–12.1) | 13.1 (10.4–15.7) | 9.8 (7.9–11.8) | 0.0922 | 7.4 (6.4–8.5) | 8.9 (7.7–10.0) | 9.5 (8.3–10.7) |
| Q2 (7,200–14,999) | 14.0 (12.6–15.4) | 14.5 (12.1–17.0) | 13.8 (12.0–15.6) | 0.2316 | 11.0 (9.8–12.1) | 13.1 (11.8–14.4) | 13.8 (12.5–15.2) |
| Q3 (15,000–24,999) | 18.5 (16.8–20.2) | 21.9 (18.6–25.1) | 16.4 (14.3–18.4) | 0.0007 | 14.3 (12.9–15.7) | 17.1 (15.6–18.5) | 18.1 (16.5–19.7) |
| Q4 (25,000 and above) | 26.9 (25.2–28.6) | 30.3 (28.1–32.5) | 21.7 (18.6–24.9) | 0.0002 | 22.2 (20.5–23.8) | 25.5 (23.7–27.3) | 26.5 (24.7–28.3) |
| Don’t know/refused to answer | 15.3 (13.2–17.3) | 22.1 (18.6–25.5) | 11.7 (9.4–14.0) | <0.001 | 11.4 (9.8–12.9) | 13.5 (11.7–15.3) | 13.9 (12.1–15.7) |
| p-value for trend † | <0.0001 | <0.0001 | <0.0001 | <0.0001 | <0.0001 | <0.0001 | |
| Employment status | |||||||
| Employed | 20.7 (19.1–22.3) | 27.0 (24.4–29.6) | 16.6 (14.7–18.5) | <0.0001 | 16.0 (14.7–17.3) | 18.6 (17.1–20.0) | 19.3 (17.9–20.8) |
| Housework | 13.6 (11.5–15.6) | 17.4 (14.4–20.5) | 11.9 (9.2–14.6) | 0.0161 | 9.8 (8.3–11.3) | 11.6 (9.8–13.4) | 12.2 (10.3–14.1) |
| Retired | 26.9 (24.2–29.6) | 27.4 (24.5–30.3) | 22.8 (15.3–30.2) | 0.3039 | 16.7 (14.1–19.2) | 21.0 (18.4–23.5) | 22.7 (20.2–25.3) |
| Unemployed | 11.4 (8.4–14.4) | 14.7 (10.3–19.0) | 8.2 (4.5–11.9) | 0.0350 | 8.4 (5.7–11.1) | 10.2 (7.2–13.2) | 10.7 (7.7–13.6) |
| p-value for difference | <0.0001 | <0.0001 | <0.0001 | <0.0001 | <0.0001 | <0.0001 | |
| With health insurance coverage | |||||||
| No | 8.5 (6.8–10.2) | 9.1 (7.0–11.3) | 7.4 (4.5–10.3) | 0.3808 | 6.8 (5.1–8.4) | 7.7 (6.0–9.4) | 8.1 (6.4–9.8) |
| Yes | 19.4 (17.9–20.9) | 25.6 (23.3–28.0) | 15.2 (13.4–17.1) | <0.0001 | 14.5 (13.3–15.7) | 17.1 (15.7–18.4) | 17.9 (16.5–19.3) |
| p-value for difference | <0.0001 | <0.0001 | <0.0001 | <0.0001 | <0.0001 | <0.0001 | |
| Health examination in past 3 years | |||||||
| No | 10.8 (9.6–12.0) | 12.3 (9.9–14.8) | 10.1 (8.8–11.4) | 0.1153 | 7.4 (6.3–8.5) | 8.9 (7.8–10.1) | 9.4 (8.3–10.6) |
| Yes | 31.0 (29.1–32.9) | 35.3 (32.9–37.7) | 25.9 (22.7–29.0) | <0.0001 | 24.3 (22.7–25.9) | 28.1 (26.3–29.9) | 29.4 (27.5–31.2) |
| p-value for difference | <0.0001 | <0.0001 | <0.0001 | <0.0001 | <0.0001 | <0.0001 | |
| Self–assessed health status | |||||||
| Poor or fair | 19.8 (18.3–21.3) | 25.9 (23.6–28.1) | 15.8 (13.8–17.7) | <0.0001 | 14.4 (13.2–15.7) | 17.1 (15.7–18.4) | 18.0 (16.6–19.4) |
| Good | 17.9 (16.3–19.4) | 23.0 (20.5–25.6) | 14.1 (12.0–16.2) | <0.0001 | 14.0 (12.6–15.3) | 16.2 (14.7–17.8) | 16.9 (15.3–18.4) |
| p-value for difference | 0.0018 | <0.0001 | 0.0340 | 0.3733 | 0.1496 | 0.0633 | |