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. 2020 Aug 26;12:100656. doi: 10.1016/j.ssmph.2020.100656

Table B.1Wave response rate and item non-response for all exposure variables.

Non-response		Wave						Final numbers^†
Non-response		1	2	3	4	5	6	Final numbers^†
	total n	11932	9249	7168	5971	5262	4711
Main survey	Employment/	9 (0.1%)	0	1 (0.0%)	2 (0.0%)	2 (0.0%)	0 (0.0%)	3875
Main survey	Volunteering	9 (0.1%)	0	1 (0.0%)	2 (0.0%)	2 (0.0%)	0 (0.0%)	2487
Questionnaire	Internet use/	1164 (9.7%)	1169 (12.6%)	1010 (14.1%)	807 (13.5%)	531 (10.1%)	555 (11.8%)	2401
	Newspaper	1164 (9.7%)	1169 (12.6%)	1010 (14.1%)	807 (13.5%)	531 (10.1%)	555 (11.8%)	2770
	Social Club/	1577 (13.2%)	1597 (17.3%)	1264 (17.6%)	1021 (17.1%)	703 (13.4%)	665 (14.1%)	2460
	Evening Classes	1577 (13.2%)	1597 (17.3%)	1264 (17.6%)	1021 (17.1%)	703 (13.4%)	665 (14.1%)	2452

†The number of participants included in the final regression after accounting for all missing data at all time points required to estimate the IPTCW.