Skip to main content

Table 1 Test-retest reliability assessment of 14 important questions (N=30 caregivers)

From: Development of a reliable questionnaire to assist in the diagnosis of fetal alcohol spectrum disorders (FASD)

Level of agreement of specific questions

Percent exact agreement

Kappa value

95% CI

Excellent agreement (Kappa 0.81-1.00)

Q34 Pregnancy: smoking during pregnancy n=27

100%

1.00

1.00 to 1.00

Q38 Pregnancy: alcohol use during pregnancy n=27

100%

1.00

1.00 to 1.00

Q42 Pregnancy: number of drinks on a typical day n=25

96%

0.99*

0.97 to 1.00

Q43 Pregnancy: frequency of drinking alcohol n=24

83%

0.98 *

0.96 to 1.00

Q66 Child: development behind children of same age n=30

90%

0.81

0.60 to 1.00

Substantial agreement (Kappa 0.61-0.80)

Q37 Pre-pregnancy: alcohol use before pregnancy n=27

89%

0.76

0.52 to 1.00

Q32d Pregnancy: infections during pregnancy n=27

89%

0.75

0.48 to 1.00

Q67 Child: areas of developmental delay n=28

82%

0.74

0.56 to 0.92

Q39 Pregnancy: trimester alcohol consumed n=27

81%

0.73

0.54 to 0.91

Q58 Child: specifics of medical problems requiring care in question 57 n=23

87%

0.72

0.49 to 0.94

Moderate agreement (Kappa 0.41-0.60)

Q32e Pregnancy: hospital admissions during pregnancy n=27

81%

0.60

0.30 to 0.89

Q57 Child: long term medical problems requiring care n=30

77%

0.55

0.31 to 0.79

Fair agreement (Kappa 0.21-0.40)

Q32 Pregnancy: medical problems during pregnancy n=27

59%

0.39

0.16 to 0.63

Slight agreement (Kappa 0.00-0.20)

Q23 Child: learning or behavioral support in school n=30

73%

0.03

-0.14 to 0.20

  1. n= number of respondents to each question *For Q42 and Q43 a quadratic weighted Kappa was used.