Table 1. Awareness rate of the maximum daily salt intake among Chinese adults aged 18 years old and above — China, 2015.
| Characteristics | Total | Men | Women | Urban | Rural | |||||||||
| N† |
Prevalence/%
(95% CI*) |
N† |
Prevalence/%
(95% CI) |
N† |
Prevalence/%
(95% CI) |
N† |
Prevalence/%
(95% CI) |
N† |
Prevalence/%
(95% CI) |
|||||
|
*CI=confidence interval.
† N=Number of participants. §Participants answering “don’t know or refuse” were not included in the trend test. | ||||||||||||||
| Total | 180,904 | 6.1(5.2–6.9) | 84,407 | 5.4(4.7–6.2) | 96,497 | 6.7(5.7–7.7) | 73,738 | 9.3(7.7–10.9) | 107,166 | 2.6(2.2–3.0) | ||||
| Age (years) | ||||||||||||||
| 18–29 | 15,881 | 6.2(5.2–7.2) | 7,078 | 4.9(4.0–5.8) | 8,803 | 7.6(6.3–8.9) | 6,636 | 9.2(7.4–10.9) | 9,245 | 2.6(2.0–3.2) | ||||
| 30–39 | 21,740 | 7.8(6.6–9.0) | 9,704 | 6.3(5.1–7.5) | 12,036 | 9.3(7.7–10.9) | 9,415 | 10.5(8.3–12.7) | 12,325 | 4.4(3.3–5.4) | ||||
| 40–49 | 39,965 | 6.5(5.5–7.5) | 17,954 | 6.2(5.1–7.2) | 22,011 | 6.8(5.7–7.8) | 15,174 | 9.7(7.9–11.6) | 24,791 | 3.1(2.5–3.7) | ||||
| 50–59 | 44,221 | 4.8(3.8–5.7) | 20,354 | 4.6(3.7–5.5) | 23,867 | 4.9(3.8–6.0) | 17,702 | 8.2(6.4–10.0) | 26,519 | 1.6(1.3–1.9) | ||||
| 60–69 | 40,093 | 4.6(3.6–5.5) | 19,461 | 4.7(3.9–5.5) | 20,632 | 4.5(3.3–5.6) | 16,659 | 8.6(6.8–10.4) | 23,434 | 1.4(1.0–1.8) | ||||
| 70+ | 19,004 | 4.2(3.5–5.0) | 9,856 | 5.2(4.2–6.1) | 9,148 | 3.4(2.6–4.2) | 8,152 | 8.4(6.9–9.9) | 10,852 | 0.9(0.5–1.4) | ||||
| p value for trend | <0.001 | 0.449 | <0.001 | 0.130 | <0.001 | |||||||||
| Geographic Location | ||||||||||||||
| Eastern | 67,378 | 7.6(5.9–9.3) | 31,273 | 6.7(5.3–8.1) | 36,105 | 8.5(6.5–10.6) | 33,247 | 9.9(7.1–12.7) | 34,131 | 4.1(3.1–5.1) | ||||
| Central | 51,539 | 5.1(4.0–6.3) | 24,131 | 4.6(3.5–5.8) | 27,408 | 5.6(4.3–6.9) | 21,038 | 8.9(6.6–11.2) | 30,501 | 1.9(1.6–2.1) | ||||
| Western | 61,987 | 4.7(3.6–5.8) | 29,003 | 4.3(3.3–5.3) | 32,984 | 5.1(3.7–6.5) | 19,453 | 8.6(6.5–10.8) | 42,534 | 1.7(1.2–2.3) | ||||
| p value for difference | 0.002 | 0.007 | 0.003 | 0.727 | <0.001 | |||||||||
| Education | ||||||||||||||
| Primary or less | 88,819 | 1.0(0.8–1.2) | 35,105 | 1.1(0.9–1.4) | 53,714 | 0.9(0.6–1.1) | 24,514 | 1.8(1.3–2.3) | 64,305 | 0.6(0.4–0.7) | ||||
| Junior High | 55,243 | 4.2(3.6–4.8) | 29,964 | 3.9(3.3–4.4) | 25,279 | 4.6(3.9–5.3) | 23,296 | 5.8(4.6–7.0) | 31,947 | 2.8(2.3–3.2) | ||||
| Senior High | 23,346 | 10.1(8.4–11.8) | 12,796 | 8.1(6.5–9.7) | 10,550 | 12.9(10.8–15.0) | 14,555 | 11.8(9.2–14.4) | 8,791 | 6.7(5.6–7.7) | ||||
| College or above | 13,496 | 17.8(15.6–20.0) | 6,542 | 14.1(12.2–15.9) | 6,954 | 21.7(18.9–24.5) | 11,373 | 18.3(15.9–20.7) | 2,123 | 14.3(9.4–19.2) | ||||
| p value for trend | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 | |||||||||
| Family per capita income, CNY | ||||||||||||||
| Q1 (<6,000) | 45,278 | 2.7(2.1–3.2) | 21,699 | 2.7(1.9–3.5) | 23,579 | 2.6(2.1–3.2) | 9,531 | 4.4(3.1–5.7) | 35,747 | 2.0(1.5–2.5) | ||||
| Q2 (6,000–11,999) | 38,741 | 4.3(3.7–4.9) | 18,059 | 4.4(3.6–5.1) | 20,682 | 4.3(3.5–5.0) | 12,536 | 6.5(5.2–7.8) | 26,205 | 2.7(2.3–3.2) | ||||
| Q3 (12,000–21,599) | 36,932 | 7.2(6.2–8.1) | 17,022 | 6.2(5.3–7.1) | 19,910 | 8.2(7.1–9.4) | 19,546 | 9.2(7.9–10.5) | 17,386 | 3.7(3.0–4.4) | ||||
| Q4 (21,600+) | 29,527 | 12.5(10.1–14.8) | 13,780 | 10.4(8.5–12.3) | 15,747 | 14.7(11.8–17.6) | 21,114 | 14.4(11.4–17.3) | 8,413 | 4.8(2.7–6.9) | ||||
| Don’t know/refused§ | 30,426 | 4.1(2.7–5.6) | 13,847 | 3.6(2.5–4.8) | 16,579 | 4.7(2.8–6.6) | 11,011 | 7.1(4.1–10.0) | 19,415 | 1.6(1.2–1.9) | ||||
| p value for trend | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 | |||||||||
| Employment status | ||||||||||||||
| Employed | 130,625 | 6.1(5.3–6.9) | 68,241 | 5.3(4.6–6.0) | 62,384 | 7.1(6.0–8.2) | 44,637 | 9.5(7.9–11.2) | 85,988 | 2.8(2.4–3.3) | ||||
| Housework | 25,112 | 2.2(1.7–2.7) | 4,597 | 1.6(1.0–2.3) | 20,515 | 2.3(1.8–2.8) | 9,098 | 3.6(2.5–4.6) | 16,014 | 1.2(0.8–1.6) | ||||
| Retired | 16,606 | 14.3(12.3–16.2) | 7,624 | 12.2(10.6–13.7) | 8,982 | 16.0(13.6–18.5) | 15,010 | 15.2(13.1–17.2) | 1,596 | 4.8(2.4–7.3) | ||||
| Unemployed | 8,561 | 5.6(4.0–7.2) | 3,945 | 4.3(2.7–5.8) | 4,616 | 6.9(4.8–9.0) | 4,993 | 7.6(5.3–9.9) | 3,568 | 2.1(1.3–2.9) | ||||
| p value for difference | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 | |||||||||
| Body weight status (BMI categories) | ||||||||||||||
| Underweight, BMI<18.5 | 6,822 | 4.7(3.2–6.3) | 2,986 | 2.8(1.4–4.2) | 3,836 | 6.3(4.3–8.2) | 2,177 | 7.4(4.1–10.7) | 4,645 | 1.9(1.2–2.6) | ||||
| Normal weight,
BMI: 18.5–23.9 |
85,129 | 6.0(5.1–6.8) | 40,103 | 4.4(3.9–5.0) | 45,026 | 7.3(6.2–8.5) | 31,491 | 9.7(8.2–11.2) | 53,638 | 2.2(1.8–2.6) | ||||
| Overweight,
BMI: 24–27.9 |
63,232 | 6.1(5.2–7.0) | 29,975 | 6.1(5.2–7.1) | 33,257 | 6.1(5.2–7.1) | 27,898 | 9.1(7.5–10.7) | 35,334 | 2.9(2.3–3.5) | ||||
| Obesity, BMI≥28 | 25,721 | 6.8(5.5–8.0) | 11,343 | 7.6(6.2–8.9) | 14,378 | 5.8(4.3–7.3) | 12,172 | 9.4(7.1–11.7) | 13,549 | 3.6(2.9–4.2) | ||||
| p value for trend | 0.014 | <0.001 | 0.006 | 0.910 | <0.001 | |||||||||
| Hypertension | ||||||||||||||
| Yes | 71,642 | 6.4(5.5–7.4) | 35,181 | 5.3(4.5–6.0) | 36,461 | 7.5(6.3–8.7) | 28,940 | 9.7(7.9–11.4) | 42,702 | 2.8(2.3–3.2) | ||||
| No | 109,262 | 5.2(4.4–5.9) | 49,226 | 5.7(4.9–6.6) | 60,036 | 4.4(3.7–5.1) | 44,798 | 8.5(7.0–9.9) | 64,464 | 2.2(1.8–2.6) | ||||
| p value for difference | <0.001 | 0.207 | <0.001 | 0.025 | 0.002 | |||||||||