Table 1 Number of patients in each cluster enrolled in either the intervention or control groups

Yet Kieu

16

Tran Hung Dao

30

Bach Dang

25

Hon Gai

26

Cao Xanh

46

Hung Thang

6

Hong Hai

26

Cao Thang

32

Bai Chay

23

Ha Lam

42

Dai Yen

7

Ha Tu

23

Ha Khanh

13

Ha Khau

20

Ha Phong

13

Hong Ha

21

Tuan Chau

7

Viet Hung

9

Gieng Day

15

Ha Trung

18

Thanh Son

16

Bac Son

4

Quang Trung

21

Phuong Dong

8

Phuong Nam

3

Dien Cong

1

Vang Danh

10

Trung Vuong

13

Thuong Yen Cong

1

Nam Khe

4

Mao Khe

44

Yen Thanh

6

Yen Duc

1

Dong Trieu

3

Kim Son

4

Tan Viet

1

Hung Dao

1

Thuy An

1

Xuan Son

1

Yen Tho

4

Binh Khe

1

Hoang Que

6

Viet Dan

1

Hiep Hoa

2

Binh Duong

3

Lien Vi

4

Quang Yen

8

Cong Hoa

8

Yen Giang

2

Ha An

5

Hoang Tan

1

Cam La

1

Yen Hai

4

Dong Mai

1

Minh Thanh

6

Phong Hai

6

Nam Hoa

4

Phong Coc

3

Lien Hoa

9

0

Total (I & C)

332

308

Total nr patients

640