Investigation of the effect of military stress on the prevalence of functional bowel disorders

Table 1 Comparison of morbidity and prevalence of primary symptoms of functional bowel disorders in the military stress and control groups n (%)

	Military stress group	Control group	χ2	P
Disease name
Irritable bowel syndrome	28/452 (6.19)	16/471 (3.40)	3.972	< 0.05
Functional abdominal bloating	0/452 (0.00)	0/471 (0.00)		> 0.05
Functional constipation	23/452 (5.09)	20/471 (4.25)	0.443	> 0.05
Functional diarrhea	9/452 (1.99)	8/471 (1.70)	0.108	> 0.05
Non-specific functional bowel disorder	6/452 (1.33)	3/471 (0.64)	1.135	> 0.05
Total	66/452 (14.6)	47/471 (9.98)	4.585	< 0.05
Primary symptom (No. of person with symptoms)
Nausea	133/452 (29.42)	74/471 (15.71)	24.931	< 0.01
Vomiting	74/452 (15.71)	53/471 (11.25)	5.849	< 0.05
Abdominal distension	145/452 (32.08)	103/471 (21.87)	12.230	< 0.01
Acid regurgitation	113/452 (25.00)	64/471 (13.59)	19.329	< 0.01
Heartburn	61/452 (13.50)	43/471 (9.13)	4.397	< 0.05
Foreign body sensation in throat	85/452 (18.81)	78/471 (16.56)	0.800	> 0.05
Substernal pain	70/452 (15.49)	47/471 (9.98)	6.312	< 0.05
Hiccough	135/452 (29.87)	82/471 (17.41)	19.899	< 0.01
Food regurgitation	101/452 (22.34)	61/471 (12.95)	14.068	< 0.01
Abdominal pain	31/452 (6.86)	13/471 (2.76)	8.483	< 0.01
Constipation	142/452 (31.42)	98/471 (20.81)	13.492	< 0.01
Diarrhea	121/452 (26.77)	86/471 (18.26)	9.602	< 0.01
Encopresis	15/452 (3.32)	9/471 (1.91)	1.808	> 0.05