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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.