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Table 2 Study sample for Period 2

From: Is supported self-management for depression effective for adults in community-based settings in Vietnam?: a modified stepped-wedge cluster randomized controlled trial

Province

District

Commune

Consent at baseline in Period 1.

n0

Baseline n1

(n1/n0*100%)

Follow-up 1 (after 1 month) n2 (n2/n0*100%)

Follow-up 2

(after 2 months) n3 (n3/n0*100%)

BEN TRE

 Ben Tre

  Son Dong (intervention)

29

24 (82.8)

19 (65.5)

17 (58.6)

  Phuong 6 (delay)

3

2 (66.7)

1 (33.3)

2 (66.7)

  Total n (%)

32

26 (81.3)

20 (62.50)

19 (59.4)

 Giong Trom

  Phuoc Long (intervention)

12

11 (91.7)

9 (75.0)

10 (83.3)

  Long My (delay)

9

4 (44.4)

2 (22.2)

2 (22.2)

  Total n (%)

21

15 (71.4)

11 (52.4)

12 (57.1)

DA NANG

 Hoa Vang

  Hoa Nhon (intervention)

8

4 (50.0)

2 (25.0)

4 (50.0)

  Hoa Tien (delay)

17

11 (64.7)

9 (52.9)

9 (52.9)

  Total n (%)

25

15 (60.0)

11 (44.0)

13 (52.0)

 Thanh Khe

  Chinh Gian (intervention)

16

13 (81.3)

11 (68.8)

12 (75.0)

  Thanh Khe Tay (delay)

8

2 (25.0)

2 (25.0)

1 (12.5)

  Total n (%)

24

15 (62.5)

13 (54.2)

13 (54.2)

KHANH HOA

 Dien Khanh

  Dien An (intervention)

9

1 (11.1)

0 (0.0)

1 (11.1)

  Dien Dien (delay)

8

6 (75.0)

4 (50.0)

6 (75.0)

  Total n (%)

17

7 (41.2)

4 (23.5)

7 (41.2)

 Nha Trang

  Phuoc Tien (intervention)

11

8 (72.7)

4 (36.4)

4 (36.4)

  Phuong Sai (delay)

11

3 (27.3)

0 (0.0)

3 (27.3)

  Total n (%)

22

11 (50.0)

4 (18.2)

7 (31.8)

LONG AN

 Chau Thanh

  Long Tri (intervention)

4

4 (100.0)

3 (75.0)

3 (75.0)

  An Luc Long (delay)

16

8 (50.0)

7 (43.8)

7 (43.8)

  Total n (%)

20

12 (60.0)

10 (50.0)

10 (50.0)

 Tan An

  Nhon Thanh Trung (intervention)

6

3 (50.0)

1 (16.7)

1 (16.7)

  Phuong 1 (delay)

5

3 (60.0)

2 (40.0)

2 (40.0)

  Total n (%)

11

6 (54.5)

3 (27.3)

3 (27.3)

QUANG NAM

 Nui Thanh

  Tam Nghia (intervention)

15

10 (66.7)

8 (53.3)

7 (46.7)

  Nui Thanh (delay)

11

7 (63.6)

7 (63.6)

6 (54.6)

  Total n (%)

26

17 (65.4)

15 (57.7)

13 (50.0)

 Tam Ky

  An My (intervention)

6

5 (83.3)

3 (50.0)

3 (50.0)

  Tam Phu (delay)

12

6 (50.0)

4 (33.3)

4 (33.3)

  Total n (%)

18

11 (61.1)

7 (38.9)

7 (38.9)

QUANG NINH

 Ha Long

  Hong Hai (intervention)

6

5 (83.3)

2 (33.3)

2 (33.3)

  Ha Tu (delay)

10

7 (70.0)

6 (60.0)

6 (60.0)

  Total n (%)

16

12 (75.0)

8 (50.0)

8 (50.0)

 Van Don

  Đong Xa (intervention)

5

4 (80.0)

4 (80.0)

4 (80.0)

  Ha Long (delay)

19

14 (73.7)

12 (63.2)

9 (47.4)

  Total n (%)

24

18 (75.0)

16 (66.7)

13 (54.2)

THAI NGUYEN

 Phu Luong

  Yen Lac (intervention)

19

18 (94.7)

17 (89.5)

16 (84.2)

  Đong Dat (delay)

14

10 (71.4)

9 (64.3)

8 (57.1)

  Total n (%)

33

28 (84.8)

26 (78.8)

24 (72.7)

 Song Cong

  Tan Quang (intervention)

15

11 (73.3)

11 (73.3)

11 (73.3)

  Thang Loi (delay)

20

16 (80.0)

13 (65.0)

11 (55.0)

  Total n (%)

35

27 (77.1)

24 (68.6)

22 (62.9)

THANH HOA

 Dong Son

  Đong Minh (intervention)

8

6 (75.0)

6 (75.0)

6 (75.0)

  Đong Tien (delay)

10

5 (50.0)

5 (50.0)

5 (50.0)

  Total n (%)

18

11 (61.1)

11 (61.1)

11 (61.1)

 Quang Xuong

  Quang Ngoc (intervention)

21

18 (85.7)

17 (81.0)

17 (81.0)

  Quang Phong (delay)

12

8 (66.7)

6 (50.0)

8 (66.7)

  Total n (%)

33

26 (78.8)

23 (69.7)

25 (75.8)

Total

 Intervention

190

145 (76.3)

117 (61.6)

118 (62.1)

 Delay

185

112 (60.5)

89 (48.1)

89 (48.1)

 Total n(%)

375

257 (68.5)

206 (54.9)

207 (55.2)

  1. The participants in communes randomized to “Immediate” discontinued SSM in period 2. These participants retained a copy of the workbook which they could use alone if desired, but received no formal coaching. Those participants in communes randomized to “Delayed” received SSM in period 2
  2. n0: total participants recruited in the trial and completed the baseline assessment in period 1
  3. n1: total participants completed the baseline assessment in period 2
  4. n2: total participants completed the second assessment in period 2
  5. n3: total participants completed third assessment in period 2