Table 2. Behavior rate of salt reduction 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 | 37.3(35.5−39.1) | 84,407 | 33.8(32.1−35.4) | 96,497 | 40.9(38.8−43.0) | 73,738 | 44.6(42.4−46.7) | 107,166 | 29.7(27.6−31.7) | ||||
| Age (years old) | ||||||||||||||
| 18−29 | 15,881 | 32.3(30.4−34.2) | 7,078 | 27.4(25.1−29.6) | 8,803 | 37.3(35.0−39.5) | 6,636 | 36.0(33.6−38.5) | 9,245 | 27.6(25.2−30.1) | ||||
| 30−39 | 21,740 | 39.6(37.2−42.0) | 9,704 | 35.5(33.3−37.7) | 12,036 | 43.8(40.8−46.9) | 9,415 | 47.0(44.0−50.0) | 12,325 | 30.1(27.9−32.4) | ||||
| 40−49 | 39,965 | 39.5(37.5−41.6) | 17,954 | 36.9(34.9−38.9) | 22,011 | 42.2(39.8−44.7) | 15,174 | 48.0(45.4−50.7) | 24,791 | 30.7(28.5−32.9) | ||||
| 50−59 | 44,221 | 38.8(36.8−40.8) | 20,354 | 35.2(33.3−37.2) | 23,867 | 42.5(40.2−44.7) | 17,702 | 47.1(44.6−49.6) | 26,519 | 31.2(28.9−33.5) | ||||
| 60−69 | 40,093 | 38.7(36.4−41.0) | 19,461 | 35.5(33.2−37.8) | 20,632 | 41.9(39.5−44.4) | 16,659 | 48.3(45.7−51.0) | 23,434 | 31.0(28.2−33.8) | ||||
| 70+ | 19,004 | 35.9(32.6−39.2) | 9,856 | 35.0(32.1−37.8) | 9,148 | 36.7(32.5−40.8) | 8,152 | 47.8(44.1−51.6) | 10,852 | 26.3(22.7−30.0) | ||||
| p value for trend | 0.001 | <0.001 | 0.309 | <0.001 | 0.448 | |||||||||
| Geographic Location | ||||||||||||||
| Eastern | 67,378 | 44.6(41.9−47.2) | 31,273 | 40.7(38.1−43.2) | 36,105 | 48.6(45.5−51.6) | 33,247 | 49.2(45.8−52.6) | 34,131 | 37.4(34.0−40.9) | ||||
| Central | 51,539 | 33.2(30.3−36.1) | 24,131 | 29.8(27.4−32.3) | 27,408 | 36.6(33.1−40.0) | 21,038 | 40.1(36.4−43.7) | 30,501 | 27.4(24.3−30.5) | ||||
| Western | 61,987 | 30.5(27.3−33.8) | 29,003 | 27.4(24.4−30.5) | 32,984 | 33.7(30.1−37.4) | 19,453 | 39.7(35.4−43.9) | 42,534 | 23.6(20.0−27.2) | ||||
| p value for difference | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 | |||||||||
| Education | ||||||||||||||
| Primary or less | 88,819 | 29.3(27.3−31.2) | 35,105 | 25.5(23.8−27.3) | 53,714 | 31.9(29.7−34.1) | 24,514 | 36.3(33.4−39.2) | 64,305 | 25.8(23.8−27.8) | ||||
| Junior High | 55,243 | 36.4(34.5−38.4) | 29,964 | 32.0(30.2−33.8) | 25,279 | 41.9(39.5−44.4) | 23,296 | 42.3(39.8−44.8) | 31,947 | 31.2(28.9−33.5) | ||||
| Senior High | 23,346 | 44.2(42.2−46.2) | 12,796 | 39.7(37.8−41.7) | 10,550 | 50.4(47.8−52.9) | 14,555 | 48.2(45.4−51.1) | 8,791 | 35.8(33.2−38.4) | ||||
| College or above | 13,496 | 50.7(48.5−52.9) | 6,542 | 46.1(43.2−49.0) | 6,954 | 55.4(52.5−58.4) | 11,373 | 51.4(49.0−53.8) | 2,123 | 45.4(39.8−50.9) | ||||
| p value for trend | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 | |||||||||
| Family per capita income, CNY | ||||||||||||||
| Q1 (<6,000) | 45,278 | 30.1(27.8−32.5) | 21,699 | 26.6(24.5−28.6) | 23,579 | 33.7(30.8−36.5) | 9,531 | 35.9(32.3−39.5) | 35,747 | 27.9(25.2−30.6) | ||||
| Q2 (6,000−11,999) | 38,741 | 34.8(32.7−36.9) | 18,059 | 31.4(29.1−33.6) | 20,682 | 38.2(35.9−40.5) | 12,536 | 40.9(37.7−44.1) | 26,205 | 30.4(28.1−32.6) | ||||
| Q3 (12,000−21,599) | 36,932 | 41.9(39.7−44.2) | 17,022 | 37.9(35.7−40.2) | 19,910 | 46.1(43.1−49.1) | 19,546 | 46.4(43.9−48.9) | 17,386 | 34.4(31.7−37.1) | ||||
| Q4 (21,600+) | 29,527 | 49.2(46.5−52.0) | 13,780 | 45.0(42.3−47.6) | 15,747 | 53.8(50.6−56.9) | 21,114 | 52.0(48.6−55.4) | 8,413 | 37.9(33.6−42.1) | ||||
| Don’t know/refused§ | 30,426 | 30.7(27.7−33.7) | 13,847 | 27.6(24.6−30.5) | 16,579 | 33.6(30.0−37.3) | 11,011 | 38.1(33.5−42.6) | 19,415 | 24.1(21.5−26.8) | ||||
| p value for trend | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 | |||||||||
| Employment status | ||||||||||||||
| Employed | 130,625 | 36.4(34.4−38.3) | 68,241 | 33.2(31.5−34.8) | 62,384 | 40.4(38.0−42.8) | 44,637 | 43.7(41.5−45.9) | 85,988 | 29.3(27.3−31.4) | ||||
| Housework | 25,112 | 35.9(33.1−38.8) | 4,597 | 28.2(24.2−32.2) | 20,515 | 37.4(34.6−40.3) | 9,098 | 43.9(40.2−47.6) | 16,014 | 30.3(26.8−33.8) | ||||
| Retired | 16,606 | 57.2(54.2−60.3) | 7,624 | 53.4(50.4−56.3) | 8,982 | 60.6(57.1−64.0) | 15,010 | 58.7(55.5−61.8) | 1,596 | 42.3(34.6−50.1) | ||||
| Unemployed | 8,561 | 34.9(31.5−38.2) | 3,945 | 30.5(26.0−35.0) | 4,616 | 38.9(35.6−42.3) | 4,993 | 37.3(32.4−42.2) | 3,568 | 30.5(26.5−34.5) | ||||
| 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 | 27.5(23.3−31.6) | 2,986 | 23.2(18.3−28.2) | 3,836 | 30.9(26.8−35.0) | 2,177 | 31.8(23.0−40.5) | 4,645 | 23.0(20.5−25.5) | ||||
| Normal weight, BMI:18.5−23.9 | 85,129 | 35.1(33.2−36.9) | 40,103 | 29.5(28.0−31.0) | 45,026 | 40.2(37.7−42.6) | 31,491 | 42.3(39.9−44.6) | 53,638 | 27.8(26.0−29.7) | ||||
| Overweight, BMI:24−27.9 | 63,232 | 40.0(37.9−42.1) | 29,975 | 37.5(35.5−39.6) | 33,257 | 42.9(40.4−45.4) | 27,898 | 47.9(45.6−50.1) | 35,334 | 31.4(28.9−34.0) | ||||
| Obesity, BMI≥28 | 25,721 | 42.0(39.5−44.5) | 11,343 | 41.0(38.4−43.7) | 14,378 | 43.0(40.0−46.0) | 12,172 | 48.1(45.2−50.9) | 13,549 | 34.5(31.1−38.0) | ||||
| p value for trend | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 | |||||||||
| Hypertension | ||||||||||||||
| Yes | 71,642 | 39.3(37.4−41.3) | 35,181 | 37.4(35.4−39.3) | 36,461 | 41.7(39.6−43.8) | 28,940 | 47.6(45.4−49.8) | 42,702 | 31.9(29.6−34.2) | ||||
| No | 109,262 | 36.5(34.6−38.4) | 49,226 | 32.1(30.5−33.7) | 60,036 | 40.6(38.3−42.9) | 44,798 | 43.4(41.1−45.7) | 64,464 | 28.6(26.6−30.7) | ||||
| p value for difference | <0.001 | <0.001 | 0.214 | <0.001 | <0.001 | |||||||||
| Awareness of maximum daily salt intake | ||||||||||||||
| Yes | 9,335 | 71.8(69.0−74.7) | 4,081 | 68.6(65.0−72.3) | 5,254 | 74.4(71.3−77.6) | 6,935 | 73.6(70.5−76.7) | 2,400 | 28.7(26.7−30.8) | ||||
| No | 171,569 | 35.1(33.4−36.8) | 80,326 | 31.8(30.2−33.4) | 91,243 | 38.5(36.5−40.5) | 66,803 | 41.6(39.6−43.5) | 104,766 | 65.0(60.3−69.7) | ||||
| p value for difference | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 | |||||||||