Table 3.

Factors associated with depression, anxiety, and stress in multiple regression analysis.

Characteristics	Depression					Anxiety							Stress
	Simple Regression			Multiple Regression		Simple Regression				Multiple Regression			Simple Regression			Multiple Regression
	PR	CI 95%	p *	PR	CI 95%	p *	PR	CI 95%	p *	PR	CI 95%	p *	PR	CI 95%	p *	PR	CI 95%	p *
Age (years)
18 to 20	Ref.			Ref.			Ref.			Ref.			Ref.			Ref.
21 to 25	0.83	0.73–0.93	0.002	0.93	0.82–1.05	0.257	0.95	0.88–1.04	0.281	1.03	0.96–1.11	0.386	0.83	0.73–0.94	0.004	0.91	0.79–1.04	0.179
26 to 30	0.72	0.60–0.86	<0.001	0.82	0.70–0.95	0.011	0.83	0.67–1.02	0.077	0.92	0.77–1.09	0.312	0.63	0.52–0.76	<0.001	0.72	0.51–1.01	0.059
31 and over	0.58	0.45–0.75	<0.001	0.70	0.65–0.76	<0.001	0.91	0.85–0.97	0.004	1.01	0.92–1.12	0.799	1.16	1.06–1.27	0.002	1.29	1.15–1.43	<0.001
Sex
Female	Ref.			Ref.			Ref.			Ref.			Ref.			Ref.
Male	0.64	0.44–0.94	0.022	0.67	0.47–0.95	0.026	0.66	0.57–0.77	<0.001	0.67	0.58–0.76	<0.001	0.46	0.37–0.57	<0.001	0.47	0.37–0.60	<0.001
Single marital status
No	Ref.			Ref.			Ref.						Ref.
Yes	1.38	1.07–1.78	0.012	1.17	0.86–1.58	0.310	1.03	0.90–1.18	0.689				1.03	0.82–1.29	0.809
Health career
No	Ref.						Ref.						Ref.
Yes	0.90	0.80–1.01	0.073				0.93	0.85–1.02	0.148				0.91	0.82–1.00	0.054
University type
private	Ref.			Ref.			Ref.			Ref.			Ref.			Ref.
public	1.34	1.16–1.54	<0.001	1.31	1.09–1.58	0.003	1.14	1.12–1.16	<0.001	1.16	1.09–1.24	<0.001	1.34	1.12–1.61	0.001	1.35	1.08–1.68	0.009
Training received from COVID-19
1	Ref.			Ref.			Ref.			Ref.			Ref.			Ref.
2	0.81	0.63–1.03	0.083	0.90	0.75–1.08	0.241	0.90	0.76–1.06	0.198	0.94	0.83–1.06	0.295	0.98	0.69–1.38	0.894	1.09	0.80–1.49	0.590
3	0.88	0.73–1.06	0.188	1.07	0.90–1.27	0.428	0.99	0.90–1.10	0.866	1.06	0.99–1.13	0.082	1.09	0.86–1.38	0.488	1.33	0.91–1.95	0.144
4	0.95	0.75–1.19	0.644	1.24	0.93–1.66	0.136	0.90	0.66–1.23	0.522	1.02	0.80–1.30	0.890	0.42	0.23–0.77	0.005	0.57	0.30–1.09	0.089
5	1.24	1.09–1.41	0.001	1.56	1.20–2.02	0.001	1.10	1.01–1.19	0.025	1.12	1.06–1.19	<0.001	1.78	1.41–2.23	<0.001	1.74	1.27–2.40	0.001
more than 5	0.87	0.70–1.08	0.205	1.06	0.90–1.25	0.498	0.91	0.78–1.06	0.239	0.96	0.90–1.06	0.555	1.21	0.96–1.52	0.106	1.43	1.19–1.73	<0.001
health insurance
Social Security (IPS)	Ref.						Ref.						Ref.			Ref.
Private sector	1.23	0.69–2.20	0.481				1.14	0.90–1.45	0.277				1.28	0.85–1.94	0.235	1.13	0.73–1.76	0.580
Other	1.38	0.83–2.28	0.217				1.08	0.87–1.34	0.489				1.45	1.02–2.08	0.041	1.28	0.88–1.85	0.192
People with whom you lived in the home
1	Ref.						Ref.			Ref.			Ref.
2	1.58	0.85–2.91	0.147				0.91	0.70–1.20	0.516	0.92	0.72–1.16	0.464	0.79	0.55–1.16	0.229
3	1.74	0.85–3.57	0.128				0.91	0.84–0.99	0.049	0.91	0.79–1.03	0.144	0.88	0.61–1.26	0.486
4	1.53	0.71–3.26	0.276				0.94	0.79–1.13	0.527	0.99	0.81–1.22	0.959	0.76	0.48–1.20	0.245
5	1.64	0.76–3.53	0.205				0.95	0.82–1.11	0.554	0.94	0.80–1.10	0.423	0.82	0.58–1.15	0.252
more than 5	1.63	0.64–4.12	0.302				0.93	0.75–1.16	0.527	0.91	0.74–1.12	0.366	0.98	0.67–1.43	0.909
He was born in the same city as his university
No	Ref.						Ref.						Ref.
Yes	1.03	0.85–1.24	0.778				0.95	0.88–1.04	0.294				0.92	0.78–1.07	0.287

* p-values obtained with generalized linear models (GLM), Poisson family, log link function, robust variance, and cluster by year of studies.