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Observational Study
Copyright: ©Author(s) 2026.
World J Gastroenterol. Jul 7, 2026; 32(25): 117254
Published online Jul 7, 2026. doi: 10.3748/wjg.117254
Table 2 General statistical data of the categorical variables, mean ± SD/n (%)
Demographic data
Control (n = 1145)
Irritable bowel syndrome (n = 94)
P value
Age (years)39.14 ± 12.4137.83 ± 11.780.3236
Body mass index27.12 ± 4.8527.62 ± 5.070.3385
Quality of life80.95 ± 14.3975.37 ± 17.990.0004
Household population
Alone125 (10.9)7 (7.4)0.5559
Adults only442 (38.6)39 (41.5)
Adults and children578 (50.5)48 (51.1)
Residence
Urban750 (65.5)68 (72.3)0.1784
Rural395 (34.5)26 (27.7)
Childhood residence
Urban672 (58.7)62 (66.0)0.1681
Rural473 (41.3)32 (34.0)
Occupation
Student153 (13.3)14 (14.9)0.0006
Intellectual509 (44.5)59 (62.8)
Physical483 (42.2)21 (22.3)
Smoking
Smoker282 (24.6)22 (23.4)0.8976
Non-smoker699 (61.1)57 (60.6)
Former smoker164 (14.3)15 (16.0)
Coffee consumption
More than 1519 (45.3)46 (48.9)0.7816
1/day270 (23.6)20 (21.3)
Never356 (31.1)28 (29.8)
Alcohol consumption
Regular45 (3.9)3 (3.2)0.3438
Occasional848 (74.1)76 (80.8)
Never252 (22.0)15 (16.0)


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