Omission of breakfast and risk of gastric cancer in Mexico

Table 1 General characteristics of the subjects n (%)

	Total (n = 211)	With GC (n = 49)	Without GC (n = 162)
Sex
Male	152 (72.0)	23 (46.9)	129 (79.6)
Female	59 (28.0)	26 (53.1)	3 (20.4)
Age (yr)1	40.2 ± 16.1	62.1 ± 10.7	33.5 ± 10.7
Minimum	18	39	18
Maximum	83	83	64
Histopathological classification
Diffuse adenocarcinoma	_	26 (53.1)	_
Intestinal adenocarcinoma	_	21 (42.8)	_
Lymphoma	_	2 (4.1)	_
Marital status
Single	56 (26.5)	6 (12.2)	50 (30.9)
Married	90 (42.7)	27 (55.1)	63 (38.9)
Living with a partner	46 (21.8)	5 (10.2)	41 (25.9)
Divorced	8 (3.8)	1 (2.0)	7 (4.3)
Widowed	11 (5.2)	10 (20.4)	1 (0.6)
Education level
No formal education	26 (12.3)	14 (28.6)	12 (7.4)
Primary	66 (31.3)	26 (53.1)	40 (24.7)
Secondary	49 (23.2)	4 (8.2)	45 (27.8)
Bachelors	23 (10.9)	0 (0.0)	23 (14.2)
Professional technical	1 (0.5)	0 (0.0)	1 (0.6)
Graduate	45 (21.3)	5 (10.2)	40 (24.7)
Postgraduate	1 (0.5)	0 (0.0)	1 (0.6)
Place of work2
Without employment	51 (24.2)	27 (55.1)	24 (14.8)
Rural	57 (27.0)	12 (24.5)	45 (27.8)
Urban	103 (48.8)	10 (20.4)	93 (57.4)
Socioeconomic status3
Low	134 (63.5)	42 (85.7)	92 (56.8)
Medium	67 (31.8)	4 (8.2)	63 (38.9)
High	10 (4.7)	3 (6.1)	7 (4.3)

¹mean ± SD;

²Rural: working outside the town; urban: working in the town;

³Monthly household income: low ≤ $376 USD; medium $377 to $979 USD; high ≥ $980 USD. GC: Gastric cancer.