. Author manuscript; available in PMC: 2009 May 1.

Published in final edited form as: Arch Med Res. 2008 Mar 10;39(4):443–451. doi: 10.1016/j.arcmed.2007.12.004

Table 1.

Sociodemographic characteristics and histological diagnosis by gastric risk area in males from Nariño, Colombia (2006)

Variables	Gastric cancer risk area		Two-sided p value
	Low-risk (n = 45)	High-risk (n = 44)
Age (years) (mean ± SD)	48.4 (5.9)	49.2 (5.2)	0.487
Histological diagnosis^b (n, %)	n = 26	N = 44
Normal and NAG	16 (61.54)	16 (36.36)	0.041
MAG, IM and DYS	10 (38.46)	28 (63.64)
H. pylori status (by Steiner), n (%)	n = 27	n = 44
Uninfected	3 (11.11)	5 (11.36)	1.00^a
Infected	24 (88.89)	39 (88.64)
BMI (n, %)
Underweight (<18)	2 (4.44)	0 (0)	0.014^a
Normal (18.5–24.9)	19 (42.22)	27 (61.36)
Overweight (25–29.9)	13 (28.89)	15 (34.09)
Obese (≥30)	11 (24.44)	2 (4.55)
Higher level of education attained (n, %)
Less than elementary	4 (8.89)	2 (4.55)	<0.001
Elementary	19 (42.22)	36 (81.82)
Junior/high school/university	22 (48.89)	6 (13.64)
Household appliances index (n, %)
Low	17 (37.78)	29 (65.91)	0.006
Medium	17 (37.78)	13 (29.55)
High	11 (24.44)	2 (4.55)
Household conditions index (n, %)
Low	8 (17.78)	12 (27.27)	0.336
Medium	23 (51.11)	16 (36.36)
High	14 (31.11)	16 (36.36)
Crowding (persons per room) (n, %)
≤1.5	28 (62.22)	23 (52.27)	0.579^a
1.6–3.5	16 (35.56)	19 (43.18)
≥3.6	1 (2.22)	2 (4.55)
Current smoker (n, %)
No	35 (77.78)	26 (59.09)	0.058
Yes	10 (22.22)	18 (40.91)
Multivitamin supplement consumption (n, %)
No	32 (71.11)	37 (84.09)	0.142
Yes	13 (28.89)	7 (15.91)

SD, standard deviation; NAG, non-atrophic gastritis; MAG, multifocal atrophic gastritis; IM, intestinal metaplasia; DYS, dysplasia; BMI, body mass index.

p value from Fisher’s exact test.

A case classified as gastritis, NOS (atrophy could not be assessed) was not included in this comparison.