Irritable bowel syndrome among nurses working in King Abdulaziz University Hospital, Jeddah, Saudi Arabia

Figures & data

Table 1 Relationship between sociodemographic factors, family history, and IBS among nurses in King Abdulaziz University Hospital

	IBS (No. 33)		Non-IBS (No. 196)
Variable	No.	%	No.	%	X ^2	p	OR	95% CI
Age
≤30	12	15.2	67	84.8	0.06	0.81	1.10	0.51–2.37
>30	21	14.0	129	86.0
Gender
Male	2	11.1	16	88.9	0.17^a	0.68	0.73	0.16–3.31
Female	31	14.7	180	85.3
Nationality
Saudi	7	25.9	20	74.1	3.92	0.07	2.37	0.92–6.16
Non-Saudi	26	12.9	176	87.1
Marital status
Single	9	17.3	43	82.7	0.46	0.49	1.33	0.58–3.08
Ever married	24	13.6	153	86.4
Level of education
Less than university	6	13.6	38	86.4	0.04	0.84	0.91	0.35–2.35
University or above	27	14.8	155	85.2
Income
Enough and exceeds	1	12.5	7	87.5	0.04^a	0.98	1
Enough only	22	14.7	128	85.3			1.20	0.14–10.26
Not enough (with debt)	9	14.1	55	85.9			1.46	0.12–10.44
Living condition
With family (home)	12	16.4	61	83.6	2.59	0.27	1
Private residence	7	21.9	25	78.1			0.58	0.21–1.58
University dormitory	14	11.4	109	88.6			0.63	0.28–1.50
Family history^b
Yes	6	42.85	8	57.12	9.56	0.002	5.14	1.66–15.95
No	27	12.7	185	87.26

^aFisher's exact test; ^bthree nurses did not answer the question regarding family history.

IBS=irritable bowel syndrome.

Table 2 Relationship between life style factors, chronic conditions, and IBS among nurses in King Abdulaziz University Hospital

	IBS (No. 33)	Non-IBS (No. 196)
Variable	No (%)	No (%)	X ^2	p	OR	95% CI
BMI
Normal	14 (13.9)	87 (86.1)	0.04	0.83	1.08	0.51–2.28
Overweight and obese	19 (14.8)	109 (85.2)
Physical exercise
Practice	12 (13.8)	75 (86.2)	0.04	0.84	0.92	0.43–1.98
No practice	21 (14.8)	121 (85.2)
Smoking
Yes	0 (0.0)	6 (100.0)	1.04^a	0.30	1.17	1.11–1.24
No	33 (14.8)	190 (85.2)
Caffeine intake
Yes	28 (13.8)	175 (86.2)	0.55	0.46	0.67	0.23–1.93
No	5 (19.2)	21 (80.8)
Energy drinks consumption
Yes	7 (25.9)	20 (74.1)	3.29	0.07	2.37	0.91–6.15
No	26 (12.9)	176 (87.1)
Food hypersensitivity
Yes	12 (38.7)	19 (61.3)	17.16	0.000	5.32	2.27–12.48
No	21 (10.6)	177 (89.4)
Chronic diseases
Yes	9 (19.1)	38 (80.9)	1.08	0.30	1.56	0.67–3.63
No	24 (13.2)	158 (86.8)

^aFisher's exact test; IBS=irritable bowel syndrome.

Table 3 Relationship between working conditions and IBS among nurses working in King Abdulaziz University Hospital

	IBS (No. 33)	Non-IBS (No. 196)
Variable	No (%)	No (%)	X^2	p	OR	CI
Shift (221)^a
Day shift	18 (23.4)	59 (76.6)	7.56	0.006	2.79	1.32–5.90
Alternating or night	15 (9.9)	137 (90.1)
Work experience (221)^a
≤16 years	26 (15.6)	141 (84.4)	0.22	0.640	1.24	0.51–3.04
>16 years	7 (13)	47 (87)
Work place
Outpatient	16 (25.4)	47 (74.6)	8.51	0.004	2.98	1.39–6.37
Inpatient	17 (10.2)	149 (89.8)
Working hours/day (221)^a
<12	13 (20.0)	52 (80.0)	2.72	0.095	1.93	0.88–4.19
≥12	18 (11.5)	138 (88.5)
Work stress
Yes	30 (14.6)	176 (85.4)	0.04^b	0.844	1.136	0.32–4.06
No	3 (13.0)	20 (87.0)

^aEight nurses did not answer any of these questions; ^bFisher's exact test.

Table 4 Relationship between sleep quality, anxiety, depression scores, and IBS among nurses in King Abdulaziz University Hospital

	IBS (No. 33)	Non-IBS (No. 196)
Score	No (%)	No (%)	X ^2	p	OR	CI
Sleep quality (PSQI) (216)^a
Poor sleep	22 (21.8)	79 (78.2)	7.30	0.007	2.92	1.31–6.52
Good sleep	10 (8.7)	105 (91.3)
Anxiety grade (No. 226)^b
Normal	9 (9.3)	88 (90.7)	6.06	0.048	1
Borderline	12 (15)	68 (85)			1.73	0.69–4.33
Morbid	12 (24.5)	37 (75.5)			3.17	1.23–8.17
Depression grade (No. 226)^b
Normal	21 (13.2)	138 (86.8)	12.09	0.002	1
Borderline	5 (9.8)	46 (90.2)			0.71	0.25–2.00
Morbid	7 (43.8)	9 (56.2)			5.11	1.72–15.19

^aThirteen nurses missed one item or more of PSQI; ^bthree nurses did not answer questions of HADS.

Table 5 Logistic regression analysis of predictors of IBS among nurses in King Abdulaziz University Hospital

Variable	B	p	aOR	95% CI
Food hypersensitivity	1.509	0.001	4.52	1.80–11.33
Morbid anxiety	1.469	0.007	4.34	1.49–12.67
Borderline anxiety	0.730	0.230	2.08	0.77–5.60
Normal		0.064	1
Family history	1.218	0.033	3.38	1.12–13.23
Constant	−6.326

IBS=irritable bowel syndrome.