. Author manuscript; available in PMC: 2011 Jun 1.

Published in final edited form as: Psychol Addict Behav. 2010 Jun;24(2):292–299. doi: 10.1037/a0018126

Table 3.

Test – Retest Reliability of Family History Reports of Gambling Behavior.

Gambling Behavior	Father	Mother	Cotwin	Spouse
Ever Gambled
Kappa	0.58 (.36 – .76)	0.64 (.48 – .79)	0.28 (−0.04 – 0.65)	0.49 (.19 – .74)
Yule’s Y	0.71 (.53 – .86)	0.72 (.58 – .85)	0.38 (−1.00 – 0.83)	0.67 (.41 – .86)
Gambled Monthly
Kappa	0.65 (.52 – .77)	0.67 (.54 – .79)	0.63 (.46 – .78)	0.53 (.36 – .69)
Yule’s Y	0.67 (.54 – .79)	0.71 (.58 – .83)	0.69 (.52 – .84)	0.58 (.40 – .75)
Gambled Weekly
Kappa	0.73 (.62 – .83)	0.70 (.57 – .82)	0.73 (.56 – .87)	0.53 (.33 – .71)
Yule’s Y	0.78 (.66 – .89)	0.74 (.63 – .86)	0.80 (.66 – .90)	0.64 (.45 – .82)
Gambling Problem^a
Kappa	0.82 (.67 – .97)	0.65 (.37 – .94)	0.87 (.69 – 1.00)	0.42 (.01 – .84)

Note: N = 166

Yule’s Y estimates were not computable due to empty cells.