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Table 1 Socio-demographic characteristics of study population

From: Change of water consumption and its potential influential factors in Shanghai: A cross-sectional study

Characteristics Study population Excluded population Shanghai population
  N (%) Students (%) N (%) N (%) Students
Total 400 44 16 13,793,900 1,962,900
Gender     
Male 199 (49.8) 23 (52.3) 8 (50) (49.9)
Female 201 (50.2) 21 (47.7) 8 (50) (50.1)
Age (years)     
<18 39 (9.8) 37 (84.1) 5 (31.3) (10.4)
18~ 86 (21.5) 7 (15.9) 7 (43.7) (24.1)
35~ 181 (45.3) 0 3 (18.8) (43.0)
60~ 94 (23.5) 0 1 (6.3) (22.5)
Education     
≤12 years 270 (67.5) 39 (88.6) 9 (56.3) (75.0)
> 12 years 130 (32.5) 5 (11.4) 7 (43.8) (25.0)
Annual Income ($)     
≤2,308 51 (12.8) 44 (100) 6 (37.5) ----
2,308.1 ~ 4,615 239 (59.8) 0 3 (18.8) ----
4,615.1 ~ 7,692 68 (17) 0 5 (31.3) ----
7,692.1~ 42 (10.5) 0 2 (12.5) ----
Housing Condition     
1 41 (10.3) 3 (6.8) ---- ----
2 106 (26.5) 10 (22.7) ---- ----
3 142 (35.5) 16 (36.4) ---- ----
4 24 (6) 5 (11.4) ---- ----
5 39 (9.8) 6 (13. 6) ---- ----
6 48 (12) 4 (9.1) ---- ----
  1. The data of Shanghai population was gained from Shanghai Statistical Almanac 2010. Unavailable data were illustrated as dashed lines.