Table 2.

Multivariate logistic regression models for factors associated with suicidal ideation among the hypertensive patients in Shandong, China, 2016

Characteristics	Model 1			Model 2
	OR	95% CI		P-value	OR	95% CI		P-value
Comorbidity
No	1.00				1.00
Yes	1.41	1.18	1.69	0.000	1.06	0.87	1.30	0.542
Gender
Male	1.00				1.00
Female	1.32	1.03	1.69	0.028	1.03	0.79	1.36	0.820
Marital status
Singlea	1.00				1.00
Married	0.70	0.57	0.87	0.001	0.79	0.62	0.99	0.043
Education
Illiteracy or semiliterate	1.00				1.00
Primary school	1.09	0.90	1.32	0.374	1.19	0.96	1.47	0.113
Junior school	0.95	0.73	1.22	0.672	1.05	0.79	1.39	0.737
Senior school or above	0.85	0.57	1.28	0.442	0.89	0.57	1.40	0.625
Economic status b
Q4	1.00				1.00
Q1	1.85	1.39	2.46	0.000	1.23	0.90	1.68	0.199
Q2	1.81	1.37	2.39	0.000	1.32	0.98	1.79	0.069
Q3	1.56	1.19	2.06	0.001	1.35	1.00	1.82	0.047
Residence
Urban	1.00				1.00
Rural	1.37	1.05	1.80	0.021	1.25	0.93	1.68	0.134
Smoking
No	1.00				1.00
Yes	0.78	0.58	1.03	0.079	0.74	0.54	1.01	0.055
Alcohol use
No	1.00				1.00
Yes	0.72	0.53	0.97	0.030	0.91	0.66	1.26	0.567
Exercise (time/a week)
<1	1.00				1.00
1–2	0.74	0.52	1.06	0.096	1.17	0.44	1.26	0.439
≥3	0.57	0.48	0.67	0.000	0.88	0.73	1.07	0.198
Hospitalization
No	1.00				1.00
Yes	1.38	1.09	1.74	0.007	1.18	0.91	1.53	0.218
K10c
1					1.00
2					4.95	3.85	6.36	0.000
3					9.34	7.25	12.03	0.000
4					18.94	14.46	24.81	0.000

Note: The P-values indicate statistical significance at 5% level

^aSingles include those who are unmarried (1.7%), divorced (0.3%), widowed (15.5%)

^bQuartile 1(Q1) is the poorest and Quartile 4(Q4) is the richest

^cK10 means 10-item Kessler Psychological Distress Scale