Table 2

Regression analysis of variables by mental health problems among the respondents

	Loneliness n=478			Depression n=256			Generalised anxiety n=429			Sleep disturbance n=494
	OR	95% CI	P value	OR	95% CI	P value	OR	95% CI	P value	OR	95% CI	P value
Age (years)
15–30	0.606	0.359 to 1.023	0.061	0.653	0.386 to 1.105	0.112	0.857	0.490 to 1.501	0.59	0.834	0.499 to 1.394	0.489
Above 30	1			1			1			1
Sex
Male	0.666	0.411 to 1.080	0.099	1.624	1.000 to 2.637	0.05	1.453	0.869 to 2.431	0.154	1.036	0.648 to 1.658	0.882
Female	1			1			1			1
Body mass index (kg/m²)
Below 18.5	1.574	0.557 to 4.443	0.392	0.889	0.346 to 2.282	0.806	0.27	0.072 to 1.011	0.052	0.818	0.289 to 2.319	0.706
18.5–25	1.244	0.399 to 3.877	0.706	0.832	0.287 to 2.410	0.735	0.347	0.085 to 1.411	0.139	0.877	0.281 to 2.737	0.821
Above 25	1			1			1			1
Marital status
Unmarried	0.902	0.508 to 1.600	0.723	0.845	0.463 to 1.542	0.584	1.097	0.599 to 2.011	0.763	1.009	0.578 to 1.764	0.974
Married	1			1			1			1
Education
Illiterate	0.498	0.211 to 1.172	0.111	1.076	0.476 to 2.430	0.861	0.511	0.215 to 1.211	0.127	1.346	0.617 to 2.935	0.455
Primary	1.365	0.491 to 3.794	0.551	1.545	0.620 to 3.851	0.351	0.566	0.210 to 1.525	0.26	0.855	0.350 to 2.090	0.732
Secondary	1.123	0.293 to 4.309	0.866	1.813	0.507 to 6.485	0.36	0.244	0.059 to 1.006	0.051	0.829	0.249 to 2.763	0.761
Higher secondary	0.518	0.204 to 1.314	0.166	1.006	0.430 to 2.351	0.989	0.788	0.311 to 2.000	0.616	1.396	0.589 to 3.310	0.449
Graduate/above	1			1			1			1
Occupation
Service	0.889	0.292 to 2.711	0.836	0.315	0.099 to 1.009	0.052	0.855	0.296 to 2.481	0.774	0.894	0.318 to 2.515	0.831
Business	1.476	0.895 to 2.434	0.127	1.76	1.037 to 2.994	0.036	1.3	0.754 to 2.237	0.344	1.161	0.702 to 1.923	0.559
Student	0.628	0.264 to 1.962	0.253	0.752	0.363 to 1.052	0.093	0.548	0.362 to 0.952	0.452	0.524	0.241 to 1.183	0.263
Unemployed	1			1			1
Economic status
Low	1.111	0.636 to 1.941	0.712	1.478	0.832 to 2.624	0.183	0.562	0.312 to 1.011	0.054	1.588	0.893 to 2.824	0.115
Middle	1.133	0.725 to 1.771	0.583	1.618	1.038 to 2.252	0.033	0.981	0.613 to 1.572	0.938	0.852	0.558 to 1.300	0.458
High	1			1			1			1
Residence
Urban	1.06	0.697 to 1.611	0.785	0.655	0.434 to 0.988	0.044	1.146	0.737 to 1.781	0.545	0.929	0.618 to 1.397	0.724
Rural	1				1			1			1
Living status
With family	0.457	0.278 to 0.751	0.002	1.797	1.126 to 2.867	0.014	0.842	0.511 to 1.388	0.501	1.344	0.844 to 2.140	0.213
Without family	1				1			1			1
Smoking habit
Smoker	0.637	0.376 to 1.078	0.093	1.441	0.849 to 2.447	0.176	1.032	0.611 to 1.743	0.906	0.925	0.567 to 1.509	0.755
Non-smoker	1			1			1			1
Loneliness
Yes	–	–	–	2.89	1.669 to 5.000	<0.001	3.952	2.500 to 6.211	<0.001	2.525	1.647 to 3.875	<0.001
No	–			1			1			1
Depression
Yes	2.958	1.733 to 5.050	<0.001	–	–	–	18.518	9.615 to 35.714	<0.001	1.344	0.800 to 2.257	0.263
No	1			–			1			1
Generalised anxiety
Yes	3.952	2.506 to 6.211	<0.001	18.518	9.523 to 35.714	<0.001	–	–	–	3.367	2.127 to 3.519	<0.001
No	1			1			–			1
Sleep disturbance
Yes	2.638	1.718 to 4.048	<0.001	1.385	0.814 to 2.352	0.229	3.558	2.237 to 5.649	<0.001	–	–	–
No	1			1			1			–

P values are significant at 95% CI (p<0.05). Significant p values are shown in bold.
n, Number.