Table 3.

Mean Principal Component (PC) value by participant characteristics

	N	PC 1  Sr-Ni-Cs	PC 2 Pb-Tl	PC 3  As-Mo-W	PC 4  Ba-Mn	PC 5 Cu-Zn	PC 6 Cd
Sex
Men	100	0.03	0.06	0.14	−0.20	0.42	−0.09
Women	99	−0.03	−0.06	−0.15	0.20	−0.43	0.10
p-value		0.8	0.6	0.1	0.03	<0.001	0.3
Current smoker
Yes	60	0.24	0.08	0.23	−0.19	0.49	−0.02
No	139	−0.11	−0.04	−0.10	0.08	−0.21	0.01
p-value		0.2	0.6	0.1	0.2	<0.001	0.9
Betel nut user
Yes	69	0.31	0.10	−0.03	0.18	−0.03	0.35
No	130	−0.17	−0.05	0.02	−0.10	0.02	−0.19
p-value		0.07	0.5	0.8	0.1	0.8	0.003
Owns TV
Yes	58	−0.05	0.24	−0.50	0.15	0.15	−0.10
No	141	0.02	−0.10	0.20	−0.06	−0.06	0.04
p-value		0.8	0.2	0.001	0.3	0.3	0.5
Dye use
Yes	15	−0.48	−0.12	−0.14	−0.42	−0.04	0.06
No	184	0.04	0.01	0.01	0.03	0.00	0.00
p-value		0.3	0.8	0.7	0.2	0.9	0.9
Fertilizer/pesticide use
Yes	81	0.16	−0.08	0.29	0.00	0.31	0.04
No	118	−0.11	0.06	−0.20	0.00	−0.21	−0.03
p-value		0.3	0.5	0.01	0.9	0.004	0.7
Occupation, male
Day labor	8	0.99	0.42	0.51	−0.28	1.10	0.49
Farmer	18	−0.09	−0.45	0.92	−0.28	0.10	0.22
Factory	24	0.02	0.03	0.47	−0.49	0.09	−0.23
Other	50	−0.08	0.20	−0.35	−0.01	0.59	−0.24
p-value		0.5	0.4	0.003	0.2	0.09	0.2
Occupation, female
Homemaker	95	−0.01	−0.02	−0.14	0.10	−0.38	0.10
Other	4	−0.60	−0.93	−0.23	2.49	−1.58	−0.13
p-value		0.5	0.3	0.9	0.001	0.03	0.7
Water arsenic quartiles
<15 µg/L	50	0.37	−0.02	−0.82	−0.17	0.14	0.05
15-<67 µg/L	50	−0.38	−0.13	−0.15	0.20	−0.21	−0.07
67-<167 µg/L	48	−0.07	0.17	0.19	0.12	0.04	−0.03
≥167 µg/L	51	0.08	−0.01	0.78	−0.14	0.03	0.05
p-value		0.2	0.8	<0.001	0.4	0.5	0.9