Table 1

Descriptions of included hospitals and the total coverage area of habitants.

Hospital number

Coverage population

Large Sized Hospitals (n = 2)

1

274 000

Regional hospitals with > 500 beds

2

250 500

Middle Sized Hospitals (n = 3)

3

103 500

Central General Hospitals with 200–500 beds

4

163 500

5

150 000

Small Sized Hospitals (n = 4)

6

93 000

General Hospitals < 200 beds

7

70 000

8 and 9

93 000

Total Coverage Population

1 197 500

Westergren et al. Nutrition Journal 2009 8:20   doi:10.1186/1475-2891-8-20