Table 2

Factors elevating blood pressures in female workers, 16–58 years of age (upward stepwise regression analysis)

Determinants	Parameter estimate	R²	Partial correlation	p value
Factors shown whose p values were less than 0.2.
Systolic blood pressure
Blood lead	0.1260	0.0938	0.2651	0.0003
Age	0.4763	0.0908	0.2359	0.0014
Urine protein	0.0417	0.0768	0.2125	0.0041
Plasma triglyceride	0.0501	0.0549	0.2068	0.0052

Diastolic blood pressure
Blood lead	0.1045	0.1174	0.3481	0.0001
Plasma triglyceride	0.0305	0.0645	0.2088	0.0061
Age	0.2215	0.0665	0.1852	0.0153
Urine protein	0.0200	0.0359	0.1746	0.0224
Plasma low density lipoprotein	0.0452	0.0021	0.1627	0.0335
Hypertension heredity	−1.1989	0.0025	−0.1205	0.1165

Pulse pressure
Urine protein	0.0246	0.0481	0.1965	0.0080
Age	0.2516	0.0722	0.1934	0.0091
Plasma triglyceride	0.0217	0.0419	0.1413	0.0578
Blood lead	0.0414	0.0375	0.1406	0.0590
FEIP	0.1097	0.0187	0.1069	0.1522