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Table 7 Score differences and standard effect sizes for treatment arm comparisons at 3 months for participants in the SMS sub-study

From: Feasibility, acceptability and validity of SMS text messaging for measuring change in depression during a randomised controlled trial

 

Acupuncture vs usual care

Counselling vs usual care

Acupuncture vs counselling

Outcome

N

Score diff

SD*

Standard effect size

N

Score diff

SD*

Standard effect size

N

Score diff

SD*

Standard effect size

PHQ-9 Total

272

−3.40

6.45

0.53

258

−1.90

6.45

0.29

342

−1.50

6.45

0.23

PHQ-9 Item 1

271

−0.36

0.87

0.42

257

−0.28

0.87

0.32

342

−0.09

0.87

0.10

PHQ-9 Item 2

271

−0.54

0.91

0.60

257

−0.22

0.91

0.24

340

−0.33

0.91

0.36

PHQ-9 Item 3

271

−0.26

1.03

0.25

256

−0.14

1.03

0.14

341

−0.12

1.03

0.11

PHQ-9 Item 4

270

−0.42

0.96

0.43

258

−0.20

0.96

0.21

340

−0.22

0.96

0.23

PHQ-9 Item 5

270

−0.13

1.08

0.12

257

0.01

1.08

0.00

341

−0.13

1.08

0.12

PHQ-9 Item 6

271

−0.45

1.03

0.44

258

−0.20

1.03

0.19

341

−0.25

1.03

0.24

PHQ-9 Item 7

272

−0.56

0.99

0.57

258

−0.37

0.99

0.37

342

−0.20

0.99

0.20

PHQ-9 Item 8

272

−0.36

0.92

0.40

257

−0.33

0.92

0.36

341

−0.04

0.92

0.04

PHQ-9 Item 9

272

−0.27

0.79

0.35

258

−0.15

0.79

0.19

342

−0.12

0.79

0.15

R-SMS-DS Week 16

236

−1.41

2.37

0.59

222

−1.09

2.37

0.46

288

−0.32

2.37

0.14

  1. *Standard Deviation of total sample used for all comparisons.