Home > Data and documentation > Covid 19 > Variables

Covid-19 Variable

ff_intd

FF - Date of previous survey - day

Datafiles

Mean	Number Missing	Min	Max	Std Dev	N
16.24	0	1.0	31.0	13.14	391

Value label	Value	Absolute frequency	Relative frequency
inapplicable	-8	134	1.05%
[Value >= 0]	1	12684	98.95%
	Total	12818	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
25.47	134	1.0	31.0	3.91	12684

Value label	Value	Absolute frequency	Relative frequency
inapplicable	-8	102	0.8%
[Value >= 0]	1	12578	99.2%
	Total	12680	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
24.56	102	1.0	31.0	8.9	12578

Value label	Value	Absolute frequency	Relative frequency
inapplicable	-8	58	0.48%
[Value >= 0]	1	11910	99.52%
	Total	11968	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
25.7	58	1.0	31.0	3.04	11910

Value label	Value	Absolute frequency	Relative frequency
inapplicable	-8	49	0.41%
[Value >= 0]	1	11986	99.59%
	Total	12035	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
25.66	49	1.0	31.0	2.93	11986

Value label	Value	Absolute frequency	Relative frequency
inapplicable	-8	72	0.56%
[Value >= 0]	1	12804	99.44%
	Total	12876	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
25.37	72	1.0	31.0	2.7	12804

Value label	Value	Absolute frequency	Relative frequency
Inapplicable	-8	517	3.76%
[Value >= 0]	1	13237	96.24%
	Total	13754	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
25.88	517	1.0	31.0	4.26	13237

Value label	Value	Absolute frequency	Relative frequency
Inapplicable	-8	551	3.9%
[Value >= 0]	1	13572	96.1%
	Total	14123	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
26.84	551	1.0	31.0	5.84	13572

Value label	Value	Absolute frequency	Relative frequency
Inapplicable	-8	1428	9.64%
[Value >= 0]	1	13383	90.36%
	Total	14811	100.0%

Mean	Number Missing	Min	Max	Std Dev	N
25.41	1428	1.0	30.0	1.53	13383

What else is Understanding Society doing?

Photo of family walking their dog in the countryside

Children’s worries include good grades and rising prices

Children’s average happiness is lower across six aspects of life in 2022/23 compared to 2009/10

Photo of calendar showing the year 2023

Calendar Year 2023 data now available

The latest release of our Calendar Year datasets can now be accessed via the UK Data Service.

Deputy Director of Understanding Society

Professor Annette Jäckle debates survey methods on BBC Radio 4

The Deputy Director of Understanding Society, Professor Annette Jäckle, has featured on a BBC Radio 4 programme to unpick the reality behind a recent headline about young people.

A group of teenage friends, laughing

Young people’s aspirations rise with parents’ income

Our capacity to plan for the future shapes our lives, and is affected by family wealth.

Email newsletter

Sign up to our newsletter

ESRC Institute for Social and Economic Research University of Essex

The Economic and Social Research Council is the primary funder of the study
The Study is led by a team at the Institute for Social and Economic Research (ISER) at the University of Essex.