Table 2

All subjects combined

Factors		Cases n=215				Controls n=313				Univariate results				Multivariate results
Factors		Cases n=215				Controls n=313				OR (95% CI)	p Value			Adjusted OR (95% CI)	p Value
Smoking history:
(1) Current	14	(10.61)		41	(21.35)		0.437 (0.228–0.839)	0.013		0.514 (0.262–1.01)	0.054
Non-smoker	118	(89.39)		151	(78.65)		1
(2) Ex-smoker	83	(41.29)		121	(44.49)		0.878 (0.607–1.27)	0.489		0.907 (0.618–1.33)	0.621
Non-smoker	118	(58.71)		151	(55.51)		1
Number of years exposed to pesticide:							1.05 (1.01–1.09)	0.018		1.05 (0.992–1.11)	0.090
Tea (cups per day)
<1	102	(47.44)		117	(37.38)		1.51 (1.06–2.15)	0.021		1.35 (0.931–1.95)	0.114
⩾1	113	(52.56)		196	(62.62)		1
Family history:
History	7	(3.26)		2	(0.64)		5.21 (1.07–25.3)	0.041		4.04 (0.802–20.4)	0.091
No history	208	(96.74)		311	(99.36)		1
Pesticide exposure in farming:
Pesticide	19	(8.84)		16	(5.11)		1.80 (0.903–3.58)	0.095		0.754 (0.257–2.22)	0.608
No pesticide	196	(91.16)		297	(94.89)		1
Percentage of stay in rural area							1.01 (0.999–1.01)	0.122		1.00 (0.995–1.01)	0.408
Vitamin or cod liver oil supplement (times/week):
<1	184	(85.58)		280	(89.46)		0.700 (0.414–1.18)	0.182		0.685 (0.396–1.19)	0.178
⩾1	31	(14.42)		33	(10.54)		1
Consume raw vegetables (times/week):
<1	210	(97.67)		309	(98.72)		0.544 (0.144–2.05)	0.368		0.577 (0.149–2.23)	0.426
⩾1	5	(2.33)		4	(1.28)		1
Fruit consumption (times per week):
<1	11	(5.12)		19	(6.07)		0.834 (0.389–1.79)	0.642		0.850 (0.383–1.89)	0.689
⩾1	204	(94.88)		294	(93.93)		1
Vegetable consumption (times/week):
<1	2	(0.93)		2	(0.64)		1.46 (0.204–10.4)	0.706		1.58 (0.215–11.6)	0.655
⩾1	213	(99.07)		311	(99.36)		1
Drinking well water:
	134	(62.33)		193	(61.66)		1.03 (0.719–1.47)	0.877		1.04 (0.701–1.54)	0.850
	81	(37.67)		120	(38.34)
Farming:
	84	(39.07)		124	(39.62)		0.977 (0.685–1.39)	0.900		0.919 (0.592–1.43)	0.709
	131	(60.93)		189	(60.38)