Table 5

Risk of dementia with parkinsonism among women according to the occupational category. Cox model with delayed entry. PAQUID 1988–97

Dementia with parkinsonism		Model 1^5-151				Model 2^5-151			Model 3^5-151		Model 4^5-151
Dementia with parkinsonism		RR	95% CI			RR	95% CI		RR	95% CI	RR	95% CI
Occupational category:
Professionals/managerials and other employees	1	—		1	—		1	—	1	—
Housewives/inactives	1.84	0.37–9.16		2.05	0.41–10.29		2.03	0.40–10.20	2.23	0.44–11.26
Farmers	5.42^5-150	1.42–20.55		7.63^5-160	1.84–31.62		7.47^5-160	1.80–31.07	10.25^5-160	2.10–49.95
Regrouped class^5-152	0.50	0.08–3.01		0.63	0.10–3.84		0.62	0.10–3.78	0.75	0.12–4.79
Log likelihood ratio statistics^5-152	p=0.004			p=0.002			p=0.002		p=0.002

↵5-151 Model 1=without adjustment variables; model 2=education; model 3=education, wine consumption; model 4=education, wine consumption, income, vascular factors.
↵5-152 Blue-collar workers and domestic service employees have been regrouped with craftsmen/shopkeepers because there was not any cases of dementia with parkinsonism in these two categories.
‡Testing the global effect of occupation.
↵5-150 p<0.05,
↵5-160 p<0.01.