Table 1 Summary of included papers (n = 38)

1

[28]

24

7

13

6

PDA

88%

2

[10]

24

7

Not reported

6

PDA

97.7%

3

[29]

130

7

12

4

PDA

130/190 participants completed 2 full days or more

5

[30]

26

14

12

7

PDA

60%

11

[31]

N = 150

51 First episode psychosis

46 at risk mental state

53 controls

6

Not reported

10

Data collection platform

51/59 particpants completed more than 20 valid responses

13

[32]

N = 150

51 First episode psychosis,

46 At risk mental state,

53 controls

6

Not reported

10

Data collection platform

90.9%

14

[33]

65

28

12

4

PDA

28%

15

[34]

N = 49

22 schizophrenia,

27 controls

7

Personalised to each participant

5

Smartphone application

87%

18

[35]

24

6

12

4

Smartphone application

69%

25

[36]

171

7

12

7

Smartphone application

85%

31

[37]

34

6

12

10

Smartphone application

72

33

[38]

97

10

15

6

Electronic device

97 participants completed > 20 questionnaires

34

[39]

47

6

Varied

10

Smartphone application

41 participants completed at least 18 out of 60 questionnaires

38

[40]

95

6

14.5

10

Electronic device

56%

Low quality studies

4

[41]

145

7

4

PDA

72.10%

6

[42]

24

7

13

6

PDA

98.10%

7

[43]

32

6

15

10

PDA

27 participants completed more than half of questionnaires

8

[44]

31

2

12

10

PDA

81%

9

[45]

53 schizophrenia, 58 controls

6

13.5

7

Data collection platform

72.10

10

[46]

22

7

Personalised for each participant

5

PDA

77.40%

12

[47]

N = 40

3

12

10

PDA

89.80%

16

[48]

59

5

Not reported

10

Data collection platform

98.4%

17

[49]

199

7

12

4

PDA

72.10%

19

[50]

31

7

9

4

PDA

80%

20

[51]

20

1.5

12

10

PDA

79%

21

[52]

73

1.5

12

10

PDA

74%

22

[53]

76

6

13.5

Data collection platform

71%

23

[54]

15

10

10

4

Smartphone application

76%

24

[55]

56

6

12

4

PDA

90.2%

26

[56]

141

7

12

4

PDA

69%

27

[57]

31

9

Varied

10

Smartphone application

88.5% provided ⩾30 valid responses

28

[58]

173

30

Varied

3

Smartphone application

80

29

[59]

64

21

21

6

Smartphone application

61.5

30

[60]

384

30

12

4

Smartphone application

60

32

[61]

173

30

12

3

Smartphone application

76.5

35

[62]

71

6

Not reported

10

Smartphone application

71/80 completed > 10% questionnaires

36

[63]

110

6

15

10

Electronic device

13 participants excluded as less than 20 responses completed

37

[64]

100

7

12

7

Smartphone application

85%