Table 2.

Characteristics assessed only in participants from the CoWELL study (CoWELL sample)

	CoWell sample N = 1581
	Original		Imputeda
	n	%	%
Highest education
Compulsory education/Vocational schooling	305	19	20
Upper secondary education	252	16	17
University education	972	61	63
Unknown	52	3	n.a
Employment status
Employed/In education	1393	88	90
Otherb	154	10	10
Unknown	34	2	n.a
Job type
Health Services	460	29	31
Essential servicesc	204	13	14
Office jobsd	703	44	47
Othere	109	7	8
Unknown	105	7	n.a
Living situation
Alone	274	17
Partner	573	36
Partner and children	456	29
Parents and/or children	143	9
Other situationf	135	9
Physical distancing behaviour
Physical distancing	1032	65
(Self-)isolation	228	14
No physical distancing/Initial physical distancing	321	20
Contact to person with COVID-19
No	1302	82
Yes, assumed/confirmed	279	18
Perceived COVID-19
No	1408	89	89
Yes	168	11	11
Unknown	5	0.3	n.a
At risk for severe course of COVID-19
No	1331	84	85
Yes	243	15	15
Unknown	7	0.4	n.a
Having person to ask for support
No	47	3	3
Yes	862	55	55
No need for support	646	41	42
Unknown	26	2	n.a
Contact frequency with family and friends
No, not enough contact	292	18	19
Yes, enough/No need for contact	1260	80	81
Unknown	29	2	n.a
Frequency of information about COVID-19
Daily	1016	64	68
Several times per week	333	21	22
Once per week or less	149	9	10
Unknown	83	5	n.a

	Mean	SD
Time since start of pandemic measures (days)g	59.2	8.9
Health literacy (score)	42.2	6.2

SD standard deviation

^aValued derived from Multiple Imputation using Chained Equations (MICE) creating 20 imputed datasets; imputed values are presented in percentages since MICE provides percentages only

^bOther employment status includes persons who were retired (n = 98), managing a household (n = 13), seeking for a job (n = 24), receiving disability insurance (n = 4), or other forms of occupation (n = 15)

^cEssential services include jobs within the areas of agriculture, manufacturing, waste management, construction (n = 37); trade, transportation, gastronomy (n = 76); education (n = 43); social work (n = 48)

^dOffice jobs spans the fields of information and communication, finances, insurances, real estate (n = 68); scientific and technical activities (n = 5); administration (n = 414); arts and other service activities (n = 216)

^eOther job type includes persons who were retired (n = 51), unemployed (n = 46) or not actively working (n = 12)

^fOther living situation includes persons living in a shared apartment (n = 101) or other living arrangements (n = 34)

^gPandemic measures were introduced in Switzerland on 16 March 2020