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Table 1 Characteristics of respondents and weighted monthly prevalence of reporting acute gastrointestinal illness in the 4 weeks prior to interview in China, 2010–2011

From: Burden of self-reported acute gastrointestinal illness in China: a population-based survey

Variable

Chinese general population (%)

Survey Respondents (%)

Monthly Prevalence of AGI

P-value

   

%

(95% CI)

 

Gender (n = 39681)

    

< 0.01

  Male

51.2

60.3

3.9

(3.6–4.2)

 

  Female

48.8

39.7

4.6

(4.2–4.9)

 

Age (years) (n = 39678)

    

< 0.01

  0–4

5.7

2.6

12.6

(11.1–14.1)

 

  5–14

10.9

2.6

2.9

(2.3–3.4)

 

  15–24

17.1

4.4

4.0

(3.5–4.5)

 

  25–44

33.1

35.0

3.3

(3.0–3.7)

 

  45–64

24.3

38.9

3.9

(3.5–4.3)

 

  ≥ 65

8.9

16.4

5.2

(4.5–6.0)

 

Ethnic group (n = 39650)

    

0.025

  Han

91.6

92.6

4.3

(4.1–4.5)

 

  Minority

8.4

7.4

3.4

(2.7–4.1)

 

Education (n = 39664)

    

< 0.01

  Preschool children

6.8

3.2

10.5

(9.3–11.6)

 

  Illiterate

4.7

6.9

6.2

(5.1–7.3)

 

  Primary school

26.8

24.4

4.1

(3.7–4.5)

 

  Secondary school

38.9

34.4

4.0

(3.6– 4.4)

 

  High school and above

22.9

31.1

2.9

(2.7–3.2)

 

Occupation (n = 39673)

    

< 0.01

  Labourer

NA

13.4

3.1

(2.6–3.6)

 

  Services

NA

3.3

2.5

(1.8–3.3)

 

  Administrator/Director

NA

2.4

3.4

(2.3–4.5)

 

  Office staff

NA

4.8

2.6

(1.9–3.2)

 

  Professional

NA

4.4

3.5

(2.7–4.3)

 

  Farmer

NA

39.4

4.8

(4.3–5.2)

 

  Self-employed

NA

4.8

4.3

(3.4–5.2)

 

  Retired

NA

15.1

2.8

(2.2–3.4)

 

  Unemployed

NA

3.3

4.5

(3.5–5.5)

 

  Too young to work (including students)

NA

6.5

6.1

(5.6–6.7)

 

  Others

NA

2.6

2.8

(1.8–3.9)

 

Total family income per year (n = 39546)a

    

< 0.01

  0–29999 yuan

NA

34.1

5.2

(4.8–5.6)

 

  30000–79999 yuan

NA

49.2

3.6

(3.3–3.8)

 

  ≥ 80000 yuan

NA

16.7

4.0

(3.5–4.5)

 

Household size (number of person) (n = 39677)

    

0.041

  1–2

38.9

21.5

3.7

(3.2–4.2)

 

  ≥ 3

61.1

78.5

4.3

(4.1–4.5)

 

Household type (n = 39666)

    

< 0.01

  No residents < 18 years

NA

49.8

3.5

(3.2–3.7)

 

  At least one resident < 18 years

NA

50.2

4.7

(4.4–5.0)

 

Residence (n = 39686)

    

< 0.01

  Urban

50.3

37.5

3.5

(3.3–3.8)

 

  Rural

49.7

62.5

5.1

(4.8–5.4)

 

Province (n = 39686)

    

< 0.01

  Shanghai

1.7

18.1

1.2

(0.8–1.6)

 

  Jiangsu

5.9

27.6

4.7

(4.3–5.2)

 

  Zhejiang

4.1

24.1

3.1

(2.7–3.5)

 

  Jiangxi

3.3

4.5

5.7

(4.7–6.6)

 

  Guangxi

3.5

18.0

3.6

(3.1–4.1)

 

  Sichuan

6.0

7.8

5.3

(4.9–5.8)

 

Travel (n = 39675)

    

< 0.01

  Yes

NA

4.0

8.6

(7.1–10.0)

 

  No

NA

96.0

4.0

(3.8–4.2)

 
  1. CI, Confidence interval; NA, Not available.
  2. a The average yearly income in cities and towns was 36539 yuan in 2010, while the average yearly income in the private sector was 20759 yuan [14].