TABLE 4.

Overall and Gender-Specific Multivariate Logistic Regression Models in a Study of Suicide Among Rural Chinese 15–34 Years of Age^a

Predictor	Overall		Females		Males
	Adjusted Odds Ratio	95% CI	Adjusted Odds Ratio	95% CI	Adjusted Odds Ratio	95% CI
Age	1.05	0.99–1.10	1.04	0.97–1.11	1.06	0.99–1.14
Gender
Male	1.00
Female	1.14	0.79–1.64
Annual family income (yuan)
≤10,000	1.24	0.77–2.02	0.97	0.50–1.88	1.62	0.76–3.43
10,001–19,999	1.38	0.69–2.77	0.93	0.36–2.40	2.19	0.75–6.43
≥20,000	1.00		1.00		1.00
Employment
Employed	1.00		1.00		1.00
Unemployed	0.88	0.55–1.42	0.88	0.49–1.59	0.87	0.38–1.98
Education (years)
<7	4.70	2.35–9.79	2.91	1.15–7.38	11.60	3.73–25.93
7–9	1.55	0.86–2.78	1.39	0.61–3.17	1.83	0.77–4.36
>9	1.00		1.00		1.00
Marital status
Currently married	1.00		1.00		1.00
Not currently married	3.03	1.61–5.70	2.32	0.95–5.68	4.78	1.78–12.83
Living alone
Yes	0.62	0.26–1.47	0.40	0.12–1.33	1.11	0.31–3.97
No	1.00		1.00		1.00
Any diagnosis
Yes	10.85	5.81–20.25	8.73	3.63–21.00	15.68	6.11–40.26
No	1.00		1.00		1.00
Duke Social Support Index, total score
<32	12.74	7.15–22.68	10.73	4.84–23.80	16.40	6.65–40.41
32–37	3.28	1.99–5.40	3.87	1.97–7.61	2.72	1.24–5.98
>37	1.00		1.00		1.00
Number of recent life events
≥2	8.12	3.06–17.07	7.29	2.61–20.38	11.83	3.76–37.25
1	4.02	2.16–7.48	5.49	2.19–13.80	3.60	1.46–8.88
0	1.00		1.00		1.00
Number of long-term life events
≥3	3.25	1.83–5.78	4.50	1.99–10.17	2.60	1.08–6.26
2	3.13	1.78–5.53	2.61	1.20–5.67	5.04	2.01–12.67
1	1.41	0.79–2.52	1.44	0.69–3.13	1.65	0.63–4.35
0	1.00		1.00		1.00

^aFor the overall model, Hosmer and Lemeshow test χ²=11.560, p=0.172; Nagelkerke R²=0.650; for the model in females, Hosmer and Lemeshow test χ²=15.275, p=0.054; Nagelkerke R²=0.583; for the model in males, Hosmer and Lemeshow test χ²=8.099, p=0.424; Nagelkerke R²=0.726.