Table 1.

Univariate analysis of socio demographic and clinical correlates of Insomnia

Variables	Insomnia				X2	P value
	No		Yes
	N	%	N	Weighted%
Age					19.79	0.02
21–34	376	87.55	50	12.45
35–49	340	92.33	21	7.67
50 and above	329	95.89	13	4.11
Marital Status					24.98	0.01
Never Married	316	86.35	47	13.65
Married	650	95.22	31	4.78
Divorced/ Separated/ Widowed	79	93.67	6	6.33
Depression					265.09	< 0.001
No	988	96.37	43	3.631
Yes	57	49.71	41	50.29
Anxiety					210.59	< 0.001
No	974	96.06	47	3.94
Yes	71	55.41	37	44.59
Stress					114.87	< 0.001
No	977	94.94	50	5.06
Yes	68	62.49	34	37.51
COVID-19 Related Stressors
I might be infected with COVID-19					8.45	0.05
No	715	94.15	41	5.85
Yes	330	89.25	43	10.75
Unemployment					10.24	0.04
No	585	94.7	25	5.30
Yes	460	89.64	59	10.36
Financial loss					24.27	< 0.001
No	553	95.97	18	4.03
Yes	492	88.24	66	11.76
School Closure					22.01	< 0.001
No	783	94.38	50	5.62
Yes	262	84.99	34	15.01
Exposure to COVID-19: Have you directly been in contact with any of the identified clusters in Singapore					5.10	0.01
No	997	92.96	75	7.04
Yes	36	80.08	8	19.92
Chronic Conditions
Asthma					18.30	< 0.001
No	940	93.7	68	6.30
Yes	104	82.27	16	17.73
Backache					32.63	< 0.001
No	917	94.31	70	5.69
Yes	124	80.9	14	19.1
Migraine					22.73	< 0.001
No	938	93.76	65	6.24
Yes	102	80.25	18	19.75
Future 1 month Risk of COVID-19 Infection					11.60	0.03
Never	706	93.96	39	6.044
50/50	217	87.44	31	12.56
Likely certain	90.85	33	8	9.15

*Only significant variables are reported in the table above

- The variables included in the Chi- squared test were age, gender, ethnicity, education, employment, marital status, income, PHQ-9, GAD-7, DASS, COVID-19 related stressors, Exposure to COVID-19 infection, Chronic conditions, Current perceived and future 1 month risk of COVID-19 infection.