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Table 2 Quality of studies on the psychometric properties oF ZB

From: Psychometric properties of the Zephyr bioharness device: a systematic review

Study

Item evaluation criteria a

1

2

3

4

5

6

7

8

9

10

11

12

Total (%)

Nazari et al. (2017). [23]

2

2

2

1

2

2

2

2

2

2

1

2

92

Johnstone et al. (2012). [1]

2

1

1

1

0

2

2

2

2

2

2

2

79

Johnstone et al. (2012a). [24]

2

1

1

1

0

NA

2

2

1

2

2

2

73

Flanagan et al. (2014). [27]

1

1

1

1

1

NA

2

2

2

2

1

2

73

Smith et al. (2014). [29]

2

1

1

1

0

NA

2

2

1

2

2

1

68

Dolezal et al. (2014). [28]

1

1

1

1

0

NA

2

2

2

2

1

2

68

Kim et al. (2013). [25]

2

1

1

1

0

NA

2

2

1

2

1

1

64

Rawstorn et al. (2015). [22]

1

1

1

1

0

2

2

2

1

2

1

1

63

Johnstone et al. (2012b). [2]

2

1

1

0

0

0

2

2

1

2

1

2

58

Gatti et al. (2014). [26]

1

1

0

1

0

NA

2

2

1

2

1

1

54

  1. Total score = (sum of subtotals ÷ 24 × 100). If for a specific paper an item is deemed NA (Not Applicable), then, Total score = (sum of subtotals ÷ (2 × number of Applicable items) × 100)
  2. Quality Summary: Poor (0%–30%), Fair (31%–50%), Good (51%–70%), Very good (71%–90%), Excellent (> 90%):
  3. NA not applicable. The subsections no. 6, asks for percentage of retention/follow up. This subsection only applies to reliability test-retest studies
  4. a Item Evaluation Criteria: 1. Thorough literature review to define the research question; 2. Specific inclusion/exclusion criteria; 3. Specific hypotheses; 4. Appropriate scope of psychometric properties; 5. Sample size; 6. Follow-up; 7. The authors referenced specific procedures for administration, scoring, and interpretation of procedures; 8. Measurement techniques were standardized; 9. Data were presented for each hypothesis; 10. Appropriate statistics-point estimates; 11. Appropriate statistical error estimates; 12. Valid conclusions and clinical recommendations