Table 2

 Results of logistic regression analyses with total sleep problem scores (T scores ⩽70 or T scores >70) as dependent variables) and age and gender as independent variables

Dependent variableIndependent variableRχ2p valueExp (coefficient)95% lower95% upper
Disorders of initiating and maintaining sleepAge−0.010.050.821.000.921.06
Gender−0.311.500.210.730.441.20
Sleep breathing disordersAge0.127.23 0.007 1.11.031.23
Gender0.070.088.781.080.621.87
Arousal disordersAge0.055.55 0.02 1.111.021.22
Gender−0.090.100.740.900.501.63
Sleep-wake transition disordersAge0.0410.27 0.001 1.141.051.24
Gender0.130.230.621.130.681.89
Excessive daytime sleepinessAge−0.040.730.390.960.881.05
Gender−0.371.370.240.680.361.28
HyperhydrosisAge0.081.630.201.080.961.21
Gender0.773.200.072.170.935.08
Total sleep problemAge0.085.100.021.081.011.17
Gender0.130.290.591.140.701.80