Table 5

Results of logistic regression analysis for suspected insomnia in women

	0 or 1		2 or 3				4				Trend p value
	0 or 1		OR	95% CI		P value	OR	95% CI		P value	Trend p value
Hypertension
Hypertension
n (%)	213/1277	16.7%		124/609	20.4%			4/15	26.7%
Unadjusted	Ref		1.038	0.999 to 1.077		0.051	1.105	0.909 to 1.343		0.316	0.034
Model 1	Ref		1.027	0.989 to 1.067		0.169	1.073	0.881 to 1.305		0.485	0.138
Model 2	Ref		1.020	0.983 to 1.058		0.303	1.033	0.856 to 1.246		0.738	0.291
Absence of hypertension
n (%)	428/2235	19.1%		201/967	20.8%			28/60	46.7%
Unadjusted	Ref		1.016	0.986 to 1.048		0.288	1.317	1.189 to 1.459		<0.001	0.001
Model 1	Ref		0.995	0.965 to 1.026		0.753	1.273	1.149 to 1.411		<0.001	0.076
Model 2	Ref		0.983	0.954 to 1.012		0.247	1.215	1.101 to 1.341		<0.001	0.483
Dyslipidaemia
Dyslipidaemia
n (%)	290/1701	17.0%		126/676	18.6%			13/35	37.1%
Unadjusted	Ref		1.016	0.982 to 1.051		0.360	1.223	1.076 to 1.389		0.002	0.037
Model 1	Ref		1.007	0.973 to 1.043		0.676	1.189	1.044 to 1.354		0.009	0.165
Model 2	Ref		1.001	0.968 to 1.035		0.948	1.164	1.028 to 1.319		0.017	0.320
Absence of dyslipidaemia
n (%)	351/1811	19.4%		199/900	22.1%			19/40	47.5%
Unadjusted	Ref		1.028	0.995 to 1.061		0.097	1.325	1.167 to 1.503		<0.001	0.002
Model 1	Ref		1.009	0.976 to 1.043		0.593	1.284	1.131 to 1.457		<0.001	0.049
Model 2	Ref		0.990	0.959 to 1.022		0.523	1.197	1.060 to 1.353		0.004	0.581
Diabetes
Diabetes
n (%)	36/232	15.5%		21/105	20.0%			2/3	66.7%
Unadjusted	Ref		1.046	0.959 to 1.141		0.313	1.668	1.086 to 2.562		0.020	0.092
Model 1	Ref		1.027	0.941 to 1.122		0.551	1.554	1.009 to 2.395		0.046	0.248
Model 2	Ref		1.018	0.931 to 1.112		0.700	1.723	1.125 to 2.640		0.013	0.255
Absence of diabetes
n (%)	605/3280	18.4%		304/1471	20.7%			29/71	40.8%
Unadjusted	Ref		1.022	0.998 to 1.048		0.073	1.251	1.140 to 1.373		<0.001	<0.001
Model 1	Ref		1.006	0.982 to 1.032		0.624	1.210	1.102 to 1.328		<0.001	0.044
Model 2	Ref		0.994	0.972 to 1.019		0.674	1.148	1.050 to 1.256		0.003	0.413
Cardiovascular risk factors (hypertension, dyslipidaemia or diabetes)
Cardiovascular risk factors
n (%)	386/2262	17.1%		184/940	19.6%			15/40	37.5%
Unadjusted	Ref		1.025	0.996 to 1.056		0.092	1.227	1.088 to 1.383		0.001	0.005
Model 1	Ref		1.013	0.984 to 1.044		0.384	1.182	1.047 to 1.335		0.007	0.079
Model 2	Ref		1.007	0.978 to 1.036		0.656	1.160	1.032 to 1.304		0.013	0.192
Absence of cardiovascular risk factors
n (%)	255/1250	20.4%		141/636	22.2%			16/34	47.1%
Unadjusted	Ref		1.018	0.979 to 1.058		0.375	1.306	1.136 to 1.501		<0.001	0.018
Model 1	Ref		1.000	0.961 to 1.041		0.989	1.275	1.109 to 1.466		0.001	0.151
Model 2	Ref		0.977	0.941 to 1.015		0.228	1.181	1.033 to 1.350		0.015	0.982

Model 1: adjusted for age.
Model 2: adjusted for age, employment status, education level, coffee or green tea consumption, living alone, dyslipidaemia, hypertension, K6 and short sleep duration.
Boldface p<0.05.