Table 3. The weighted numbers, percentage and prevalence ratio of self-rated health status.

Self-rated health status	Non-lone worker		Lone worker		Prevalence ratioc	95% confidence interval
	No.a	%b	No.a	%b
Very good	2,657,379	12.45	207,066	8.33	0.67	0.66–0.67
Good	13,402,236	62.77	1,414,603	56.92	0.91	0.91–0.91
Fair	4,803,687	22.50	745,501	30.00	1.33	1.33–1.34
Poor	459,343	2.15	110,373	4.44	2.06	2.05–2.08
Very poor	27,695	0.13	7,639	0.31	2.37	2.31–2.43

^aWeighted numbers, ^bWeighted percentage, ^cPrevalence ratio = rate ratio of self-rated health status of the lone workers versus the non-lone workers.