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Table 3 Mean number unhealthy days during the past 30 days among Chinese adults aged ≥ 18 years, China, 2010 (n = 98658)

From: Self-rated health and health-related quality of life among Chinese residents, China, 2010

Characteristic Physically unhealthy days a Injury-caused unhealthy days b Mentally unhealthy days c
  Number of respondents Mean number of days ( 95 % CI ) Number of respondents Mean number of days ( 95 % CI Number of respondents Mean number of days ( 95 % CI
Age group (years)
18-24 7530 0.95 ( 0.79-1.10 ) 7548 0.26 ( 0.17-0.35 ) 7553 0.58 ( 0.45-0.71 )
25-34 12106 0.93 ( 0.81-1.05 ) 12109 0.20 ( 0.13-0.26 ) 12074 0.55 ( 0.46-0.65 )
35-44 21058 1.15 ( 1.04-1.27 ) 21079 0.15 ( 0.11-0.19 ) 21009 0.50 ( 0.43-0.57 )
45-54 20522 1.70 ( 1.51-1.88 ) 20700 0.23 ( 0.19-0.27 ) 20607 0.57 ( 0.48-0.65 )
55-64 16385 2.12 ( 1.93-2.31 ) 16628 0.22 ( 0.18-0.26 ) 16545 0.56 ( 0.49-0.63 )
65-74 7813 2.74 (2.48-3.01 ) 7999 0.20 ( 0.14-0.26 ) 7949 0.49 ( 0.40-0.57 )
≥75 2861 2.92 (2.42-3.43 ) 2948 0.21 ( 0.13-0.28 ) 2930 0.41 ( 0.31-0.51 )
Gender
Man 40279 1.23 ( 1.12-1.34 ) 40572 0.23 ( 0.18-0.28 ) 40481 0.46 ( 0.40-0.53 )
Woman 47996 1.72 ( 1.56-1.88 ) 48439 0.17 ( 0.14-0.21 ) 48186 0.62 ( 0.54-0.70 )
Education
Illiterate or some primary school 7404 2.32 ( 2.12-2.52 ) 7476 0.22 ( 0.17-0.27 ) 7465 0.50 ( 0.43-0.58 )
Primary school graduate/some junior high school 14658 1.66 ( 1.47-1.84 ) 14773 0.24 ( 0.15-0.32 ) 14754 0.51 ( 0.41-0.60 )
Junior high school graduate/some senior high school 28476 1.12 (1.00-1.23 ) 28652 0.21 ( 0.16-0.25 ) 28605 0.45 ( 0.37-0.53 )
Senior high school graduate/some college 16851 1.27 ( 1.09-1.46 ) 17025 0.19 ( 0.14-0.25 ) 16938 0.62 ( 0.53-0.72 )
College graduate or above 20886 1.17 ( 0.99-1.34 ) 21085 0.13 ( 0.09-0.18 ) 20905 0.86 ( 0.72-1.00 )
Marital status
Single 7618 1.07 ( 0.93-1.21 ) 7624 0.26 ( 0.16-0.36 ) 7629 0.65 ( 0.52-0.78 )
Married or cohabiting 71647 1.47 ( 1.34-1.59 ) 72233 0.20 ( 0.16-0.24 ) 71923 0.51 ( 0.44-0.58 )
Separated/divorced/widowed/others 9010 2.24 ( 1.90-2.57 ) 9154 0.20 ( 0.14-0.27 ) 9115 0.66 ( 0.53-0.78 )
Place of residence
Urban 35561 1.57 ( 1.37-1.78 ) 36182 0.16 ( 0.14-0.19 ) 36093 0.65 ( 0.55-0.74 )
Rural 52714 1.43 ( 1.27-1.59 ) 52829 0.22 ( 0.17-0.28 ) 52574 0.49 ( 0.40-0.58 )
Geographic location
Eastern China 29155 1.43 ( 1.23-1.63 ) 29398 0.18 ( 0.14-0.21 ) 29341 0.51 ( 0.40-0.61 )
Central China 28048 1.30 ( 1.08-1.51 ) 28444 0.16 ( 0.11-0.21 ) 28247 0.49 ( 0.37-0.61 )
Western China 31072 1.76 ( 1.50-2.01 ) 31169 0.30 ( 0.18-0.42 ) 31079 0.64 ( 0.49-0.79 )
Total 88275 1.48 ( 1.35-1.60 ) 89011 0.20 ( 0.17-0.24 ) 88667 0.54 ( 0.47-0.61 )
  1. a Number of respondents to physically unhealthy day = 88275, missing =10383
  2. b Number of respondents to injury-caused unhealthy days =89011, missing = 9647
  3. c Number of respondents to mental unhealthy = 88667, missing = 9991
  4. Note: The mean numbers of days were weighted to represent the total population of the national disease surveillance points system with post-stratification for age and gender;The number in parentheses is the mean number of days of the 95% confidence interval which taking into account the complex survey design.
  5. Source: Data from the 2010 China Chronic Disease and Risk Factor Surveillance survey