Construction and validation of a risk prediction model for depressive symptoms in a middle-aged and elderly arthritis population

Table 2 Results of multifactor logistic regression analysis

Variant	β	SE	Wald χ2	P value	OR	95%CI
Constant	1.130	0.350	3.23	0.001	3.094	1.559-6.142
Gender (female)	0.292	0.072	4.07	< 0.001	1.339	1.163-1.542
Residence (rural)	0.330	0.074	4.46	< 0.001	1.391	1.203-1.608
Health status (excellent)	-1.182	0.202	-5.84	< 0.001	0.307	0.206-0.456
Health status (bad)	-0.392	0.140	-2.81	0.005	0.675	0.514-0.888
Health status (rather or relatively good)	-1.167	0.183	-6.36	< 0.001	0.311	0.217-0.446
Health status (mediocre)	-0.819	0.138	-5.92	< 0.001	0.441	0.336-0.578
ADL-6 (difficult)	0.511	0.082	6.26	< 0.001	1.667	1.420-1.955
No. of chronic diseases	0.041	0.020	2.04	0.041	1.042	1.002-1.083
No. of painful sites	0.073	0.010	8.04	< 0.001	1.076	1.057-1.095
Nighttime sleep duration	-0.150	0.017	-8.75	< 0.001	0.082	0.833-0.891
Audiological status (very good)	-0.398	0.142	-2.80	0.005	0.672	0.508-0.888
Audiological status (good)	-0.286	0.122	-2.35	0.020	0.751	0.591-0.954
Audiological status (excellent)	-0.156	0.315	-0.49	0.622	0.856	0.461-1.589
Audiological status (general)	0.005	0.095	0.05	0.962	1.001	0.834-1.210
Education (below the primary)	0.758	0.141	5.39	< 0.001	2.133	1.620-2.810
Education (secondary school)	0.502	0.142	3.53	0.004	1.653	1.250-2.184
Education (middle school)	0.364	0.151	2.42	0.016	1.440	1.071-1.933
Age	-0.018	0.004	-4.66	< 0.001	0.982	0.974-0.989

P values < 0.05 were considered statistically significant. SE: Standard Error; OR: Odds ratio; CI: Confidence interval; ADL: Activities of daily living.