Enduring association between irritable bowel syndrome and war trauma during the Nicaragua civil war period: A population-based study

Table 1 Demographic, irritable bowel syndrome and war exposure summary

Variable	Total	Gender		P value1	Age group			P value1
	N (%)	Men, n (%)	Women, n (%)		29-39, n (%)	40-49, n (%)	50-65, n (%)
Poverty				0.175				0.0102
Non-poor	657 (64.9)	229 (62.2)	428 (66.5)		227 (59.6)	224 (65.9)	206 (70.8)
Poor/extremely poor	355 (35.1)	139 (37.8)	216 (33.5)		154 (40.4)	116 (34.1)	85 (29.1)
Educational level				0.933				< 0.0012
Primary school	489 (48.3)	175	314 (48.8)		117 (30.7)	163 (47.8)	209 (71.8)
High school	372 (36.8)	(47.6) 137	235 (36.5)		183 (48.0)	124 (36.5)	65 (22.3)
Professional	151 (14.9)	(37.2) 56 (15.2)	95 (14.7)		81 (21.2)	53 (15.6)	17 (5.8)
IBS				0.0292				0.593
No	858 (84.8)	324 (88.0)	534 (82.9)		320 (84.0)	286 (84.1)	252 (86.6)
Yes	154 (15.2)	44 (12.0)	110 (17.1)		61 (16.0)	54 (15.9)	39 (13.4)
PTSD				0.180				0.537
No	955 (94.4)	352 (95.7)	603 (93.6)		362 (95.0)	317 (93.2)	276 (94.8)
Yes	57 (5.6)	16 (4.3)	41 (6.4)		19 (5.0)	23 (6.8)	15 (5.2)
War				< 0.0012				0.0222
No	817 (80.7)	233 (63.3)	584 (90.7)		321 (84.3)	259 (76.2)	237 (81.4)
Yes	195 (19.3)	135 (36.7)	60 (9.3)		60 (15.7)	81 (23.8)	54 (18.6)
PTSD + War				0.422				0.095
No	987 (97.0)	357 (97.0)	630 (97.8)		376 (98.7)	327 (96.2)	284 (97.6)
Yes	25 (3.0)	11 (3.0)	14 (2.2)		5 (1.3)	13 (3.8)	7 (2.4)
Dose Effect				< 0.0012				0.199
0-2 exposures	945 (93.4)	308 (83.7)	637 (98.9)		358 (94.0)	311 (91.5)	276 (94.8)
≥ 3 exposures	67 (6.6)	60 (16.3)	7 (1.1)		23 (6.0)	29 (8.5)	15 (5.2)
Total	1012 (100.0)	368 (100.0)	644 (100.0)		381 (100.0)	340 (100.0)	291 (100.0)

¹Mantel-Haenszel chi square test.

²P value < 0.05.

IBS: Irritable bowel syndrome; PTSD: Post-traumatic stress disorder.