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Table 2 Characteristics of the IBS population

From: Associations and gastrointestinal symptoms in women with endometriosis in comparison to women with irritable bowel syndrome: a study based on a population cohort

 

IBS

n = 1915

 

No

1479 (77.2)

Yes

436 (22.8)

Crude OR

(95% CI)

P-value

Adjusted OR

(95% CI)

P-value

Adjusted OR

 

Age (years)

       

 <30

374 (25.3)

129 (29.6)

1.00

 

1.00

  

 30–39

223 (15.1)

70 (16.1)

0.91 (0.65–1.27)

0.581

0.96 (0.63–1.49)

0.836

 

 40–49

257 (17.4)

78 (17.9)

0.88 (0.64–1.22)

0.437

0.89 (0.58–1.37)

0.597

 

 50–59

423 (28.6)

108 (24.8)

0.74 (0.55–0.99)

0.043

0.72 (0.48–1.07)

0.104

 

 ≥60

202 (13.7)

51 (11.7)

0.73 (0.51–1.06)

0.095

0.71 (0.43–1.19)

0.193

 

BMI (kg/m2)

       

 <25

821 (55.5)

246 (56.4)

1.00

 

1.00

  

 25.0–29.9

409 (27.7)

115 (26.4)

0.94 (0.73–1.21)

0.620

0.95 (0.71–1.26)

0.702

 

 >30

249 (16.8)

75 (17.2)

1.00 (0.75–1.35)

0.972

0.83 (0.58–1.18)

0.288

 

 Missing

0

0

     

Education

       

 Primary school

100 (6.8)

29 (6.7)

1.00

 

1.00

  

 Secondary school

743 (50.2)

234 (53.7)

1.09 (0.70–1.68)

0.712

1.12 (0.66–1.89)

0.671

 

 Higher education

630 (42.6)

170 (39.0)

0.93 (0.60–1.46)

0.752

1.10 (0.64–1.90)

0.729

 

 Missing

6 (0.4)

3 (0.7)

     

Occupation

       

 Working

998 (67.5)

262 (60.1)

1.00

 

1.00

  

 Retired

50 (3.4)

10 (2.3)

0.76 (0.38–1.52)

0.441

0.95 (0.44–2.04)

0.891

 

 Sick leave

90 (6.1)

45 (10.3)

1.90 (1.30–2.79)

< 0.001

1.77 (1.14–2.73)

0.010

 

 Studying

147 (9.9)

51 (11.7)

1.32 (0.94–1.87)

0.115

1.10 (0.72–1.68)

0.646

 

 Unemployed

49 (3.3)

17 (3.9)

1.32 (0.75–2.33)

0.336

1.20 (0.63–2.28)

0.581

 

 Other

113 (7.6)

34 (7.8)

1.15 (0.74–1.72)

0.511

0.99 (0.61–1.59)

0.960

 

 Missing/Multiple selections

32 (2.2)

17 (3.9)

     

Marital Status

       

 Living alone

369 (24.9)

125 (28.7)

1.00

 

1.00

  

 Living together

984 (66.5)

268 (61.5)

0.80 (0.63–1.03)

0.079

0.83 (0.63–1.09)

0.176

 

 Other

120 (8.1)

42 (9.6)

1.03 (0.69–1.55)

0.875

0.77 (0.46–1.27)

0.304

 

 Missing

6 (0.4)

1 (0.2)

     

Smoking

       

 Never

844 (57.1)

226 (51.8)

1.00

 

1.00

  

 Former

218 (14.7)

81 (18.6)

1.39 (1.03–1.86)

0.029

1.24 (0.80–2.06)

0.300

 

 Present

416 (28.1)

129 (29.6)

1.16 (0.90–1.48)

0.243

1.30 (0.98–1.72)

0.071

 

 Missing

1 (0.1)

0

     

Drinking frequency

       

 ≤1 time/month

474 (32.0)

173 (39.7)

1.00

 

1.00

  

 2–4 times/month

609 (41.2)

161 (36.9)

0.72 (0.57–0.93)

0.010

0.80 (0.60–1.06)

0.119

 

 2–3 times/week

362 (24.5)

90 (20.6)

0.68 (0.51–0.91)

0.009

0.82 (0.58–1.15)

0.246

 

 ≥4 times/week

32 (2.2)

11 (2.5)

0.94 (0.46–1.91)

0.868

0.99 (0.46–2.13)

0.979

 

 Missing

2 (0.1)

1 (0.2)

     

Drinking glasses/occasion

       

 1–2

896 (60.6)

259 (59.4)

1.00

 

1.00

  

 3–4

362 (24.4)

94 (21.6)

0.90 (0.69–1.17)

0.429

0.82 (0.62–1.10)

0.183

 

 5–6

89 (6.0)

26 (6.0)

1.01 (0.64–1.60)

0.964

0.89 (0.54–1.48)

0.663

 

 ≥7

17 (1.2)

10 (2.3)

2.04 (0.92–4.50)

0.079

1.68 (0.72–3.92)

0.231

 

 Missing

115 (7.8)

47 (10.8)

     

Physical activity work*

       

 Light

951 (64.3)

264 (60.6)

1.00

 

1.00

  

 Intermediate

111 (7.5)

43 (9.9)

1.40 (0.96–2.04)

0.084

1.022 (0.58–1.81)

0.940

 

 Hard

416 (28.1)

129 (29.6)

1.12 (0.88–1.42)

0.366

-

  

 Missing

1 (0.1)

0

     

Physical activity leisure time**

       

 Sedentary

106 (7.2)

44 (10.1)

1.00

 

1.00

  

 Moderate

594 (40.2)

186 (42.7)

0.75 (0.51–1.11)

0.155

0.86 (0.55–1.35)

0.514

 

 Moderate but regularly

433 (29.3)

113 (25.9)

0.63 (0.42–0.94)

0.026

0.73 (0.45–1.19)

0.207

 

 Regularly

340 (23.0)

91 (20.9)

0.64 (0.42–0.98)

0.041

0.72 (0.42–1.18)

0.189

 

 Missing

6 (0.4)

2 (0.5)

     
  1. BMI: body mass index; IBS = irritable bowel syndrome; n = number. The prevalence in each group is presented as numbers and percentages. Logistic regression. Values are given as odds ratio (OR) and 95% confidence interval (CI). Bold values are statistically significant, with a p-value < 0.05
  2. *Divided into light (sitting or standing), intermediate (walking and lifting < 5 kg) and hard (increased breading). **Divided into sedentary (< 120 min/week, without sweating), moderate (move around ≥ 120 min/week, without sweating), moderate but regularly (≥ 30 min/week, sweating) and regularly (≥ 90 min/week, sweating)
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BMC Gastroenterology

ISSN: 1471-230X

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