Table 5. Hierarchical Poisson regression model of the prevalence of poor self-rated sleep.

Data	1st stage		2nd stage		3rd stage
	PR	95%CI	PR	95%CI	PR	95%CI
Sex
Male	1		1		1
Female	1.32	1.10–1.57	1.30	1.10–1.55	1.07	0.89–1.30
Age group
20-39	1		1		1
40-59	1.37	1.06–1.75	1.35	1.05–1.72	1.31	1.01–1.71
≥ 60	1.20	0.98–1.49	1.19	0.97–1.46	1.15	0.92–1.45
Place of birth
Campinas	1		1		1
Other municipality of SP	1.30	1.07–1.57	1.30	1.07–1.57	1.29	1.06–1.55
Other state or other country	1.27	1.02–1.59	1.26	1.01–1.58	1.23	0.98–1.53
Work
Working	1		1		1
Not working	1.22	1.02–1.46	1.27	1.03–1.55	1.08	0.91–1.28
Leisure-time physical activity
Active			1		1
Insufficiently active			1.15	0.86–1.54	0.96	0.69–1.35
Inactive			1.28	1.02–1.60	1.01	0.83–1.25
Number of health problems
None					1
One					1.44	1.09–1.91
Two to four					1.64	1.23–2.18
Five or more					2.33	1.66–3.29
Self-rated health
Very good/good					1
Regular/very bad/bad					1.61	1.32–1.97
CMD
Absent					1
Present					1.59	1.34–1.89
Life satisfaction
Very satisfied					1
More or less satisfied					1.30	1.09–1.56
Not satisfied					1.67	1.31–2.14